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Ipsen delivers innovation. Visit our ASM Heat Treat 2011 booth #2123/2133 and check out our latest game-changing innovations.
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SPEED UNIFORMITY EFFICIENCY
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Single and Multi-Chamber Designs Q Q Gas-Fired and Electrically Heated Units Q Q High Pressure Gas and Oil Quench Units Q Q Patented Cyclohexane Injection System Q Q Wide Range Of Companion Equipment Q
Single and Multi-Row Designs Q Q Gas-Fired and Electrically Heated Units Q Q Wide Range of Process Applications Q Q Various Levels of Automation Q Q Belt, Pusher, Roller Hearth, and Rotary Styles Q Wide Range Of Companion Equipment Q
For over 95 years, Surface Combustion has focused on applying our technical and practical experience to the pursuit of moving heat treating and furnace technology forward.
Surface Combustion will continue to work with our customers in providing them the best in rugged and reliable equipment and industry leading start-up/service capabilities, as well as process assistance, to meet all of their needs.
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Various Levels of Automation Available Q Q Available for Batch or Continuous Furnaces Q Q Complete Networking/Trending Available Q Q Standardized or Custom Packages Available Q
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SURFACE COMBUSTION, INC. • 1700 INDIAN WOOD CIRCLE • P.O. BOX 428 • MAUMEE, OH 43537 PH: (419) 891-7150, (800) 537-8980 • FAX: (419) 891-7151 EMAIL:
[email protected] • WEBSITE: www.surfacecombustion.com
See Us at Booth #1816
October 2011 • Vol. LXXIX • No. 10
CONTENTS
On the Cover:
A R T I C L E S
HybridCarb is shown next to a small furnace in operation.
53
Heat Treating
Greener Thermal Processing Leads to a Greener Bottom Line Aymeric Goldsteinas and Jim Grann – Ipsen, Inc.; Cherry Valley, Ill.
Most thermal-processing companies turn green at the thought of going green. Sustainability, grid parity, subsidies, LEED certification … What does it all mean when it comes to the bottom line? Induction Heat Treating
59
Computer Modeling Helps Identify Induction Heating Misassumptions and Unknowns Dr. Valery Rudnev – Inductoheat Inc.; Madison Heights, Mich.
Whenever someone is discussing induction heating, reference is often made to the skin-effect phenomenon, which is a fundamental property of induction heating. Skin effect represents a nonuniform distribution of an alternating current within the workpiece cross section.
67
Process Control & Instrumentation
Are Your Industrial Controllers Fluent in (M)any Languages?
F E A T U R E
Invensys Eurotherm; Ashburn, Va.
Over 30 process-automation network protocols exist in use today. Why is this important, and how do you decide which ones are best for your heat-treatment application? Read this discussion by industry experts to learn more.
73
Industrial Gases/Combustion
The Basics of Pulse Firing Dan Curry – Eclipse, Inc.; Rockford, Ill.
Pulse firing is a combustion heating-control method developed in Europe in the early 1970s. The number of pulse-fired burner applications in North America has been growing steadily from the 1990s. This article discusses the basics of pulse firing as it applies primarily to heat-treating furnaces.
77
Ceramics & Refractories/Insulation
Ceramics for Industrial Heating David Watkins – KEIR Manufacturing; Brevard, N.C.
Alumina ceramics and steatites have primarily been used in the furnace industry for electrical insulators with advantageous structural properties at elevated temperatures. As a result, the markets for applications of alumina continue to expand as engineers gain further positive experience with these materials. IndustrialHeating.com - October 2011 9
18 COLUMNS 18 Editorial Is Social Media Relevant to Technical People? Is social media relevant to the thermal-processing industry? Publisher Doug Glenn thinks that it is, and details some applications that may be of interest to you, including Industrial Heating’s Twitter Widget in support of the upcoming ASM Heat Treat Show.
20 Federal Triangle Revoke Export-Import Bank Charter It is time for our industrial leaders to speak to their elected officials in the House of Representatives and Senate and urge them to disband Ex-Im Bank, revoke its charter and return export financial services provided by private banks and insurance companies to its proper role. ole.
20
22 The Heat Treat Doctor™ Stress Corrosion Cracking Components fail for a variety of reasons, which includes a corrosion phenomena characterized by the fact that stress (and/ or deformation) is present to provide a trigger that leads to sudden n crack formation, propagation and failure.
28 Environmental & Safety Issues Fire Water (Part 2) This two-part column provides readers with some of the fundamentals about fire sprinklers and related fire-protection systems should they decide to re-evaluate their existing fireprotection solutions.
28
30 Web Resources Thermal-Processing Tools & Tips on the Web
32 MTI Profile – Certified Metal Craft 34 IHEA Profile – IHEA Making Things Happen Internationally
DEPARTMENTS 36 Industry News
113 Products
50 Industry Events
116 Aftermarket
51 IH Economic Indicators
119 Classified Marketplace
110 Literature Showcase
126 Advertiser Index
SPECIAL SECTIONS 81 HTS Insider News from the ASM Heat Treating Society 87 ASM Heat Treating Society Conference & Exposition Exhibitor Booth Descriptions
10 October 2011 - IndustrialHeating.com
about the has the show us hta See p. g #HT S20 16 for detai
The ASM Heat Treating Society is pleased to introduce its new Board, which started its term effective tive Sept. 1. Board members are: Mr. Thomas E. Clements, President Engineering Mgr. – Metals & Thermal Processes Caterpillar Inc.; Peoria, Ill.
Mr. Christopher M. Klaren, en, member Manager Heat Treat Operations tions Deere & Company; Waterloo, oo, Iowa
Mr. Roger Alan Jones, Vice President Corporate President Solar Atmospheres Inc.; Souderton, Pa.
Ms. Meri Lazar, member Consultant; Philadelphia, Pa. a.
Mr. Terrence D. Brown, Past President Director – Commercial Bluewater Thermal Services; Greenville, S.C. Mr Robert Hill Board Liaison
INDUSTRIAL HEATING (ISSN 0019-8374) is published 12 times annually, monthly, by BNP Media, 2401 W. Big Beaver Rd., Suite 700, Troy, MI 48084-3333. Telephone: (248) 362-3700, Fax: (248) 362-0317. No charge for subscriptions to qualified individuals. Annual rate for subscriptions to nonqualified individuals in the U.S.A.: $115.00 USD. Annual rate for subscriptions to nonqualified individuals in Canada: $149.00 USD (includes GST & postage); all other countries: $165.00 (int’l mail) payable in U.S. funds. Printed in the U.S.A. Copyright 2011, by BNP Media. All rights reserved. The contents of this publication may not be reproduced in whole or in part without the consent of the publisher. The publisher is not responsible for product claims and representations. Periodicals Postage Paid at Troy, MI and at additional mailing offices. POSTMASTER: Send address changes to: INDUSTRIAL HEATING, P.O. Box 2147, Skokie, IL 60076. Canada Post: Publications Mail Agreement #40612608. GST account: 131263923. Send returns (Canada) to Pitney Bowes, P.O. Box 25542, London, ON, N6C 6B2. Change of address: Send old address label along with new address to INDUSTRIAL HEATING, P.O. Box 2147, Skokie, IL 60076. For single copies or back issues: contact Ann Kalb at (248) 244-6499 or
[email protected].
Tweet
New ASM HTS Board Starts Term
AS M Hea 26th Confe t Treating rence S and E ociety xposi Oct. 31 Duke tion Energy -Nov. 2
Mr. Ralph P. Poor, member er Director of Standard Products cts Surface Combustion Inc.; Maumee, Ohio Mr. Michael J. Schneider, r, FASM, member General Manager - Prod. Materials & Metallurgy
CincinConventio nati, O n Cent er hi
Industrial Heating is the official publication of ASM’s Heat Treating Society and official media partner of ASM’s HT Expo & Conference. Heat Treat Insider.indd 81
2011
8:07 PM • September 23,2011 8:07 PM
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Manor Oak One, Suite 450, 1910 Cochran Rd. • Pittsburgh, PA 15220 Phone: 412-531-3370 • Fax: 412-531-3375 Website: www.industrialheating.com Doug Glenn Publisher • 412-306-4351
[email protected] EDITORIAL/PRODUCTION STAFF Reed Miller Associate Publisher/Editor–M.S. Met. Eng.,
[email protected] • 412-306-4360 Bill Mayer Associate Editor,
[email protected] • 412-306-4350 R. Barry Ashby Washington Editor Dan Herring Contributing Technical Editor Dean Peters Contributing Editor Beth McClelland Production Manager,
[email protected] • 412-306-4354 Brent Miller Art Director,
[email protected] • 412-306-4356 AUDIENCE DEVELOPMENT Christina Gietzen Audience Development Coordinator Alison Illes Multimedia Specialist Catherine M. Ronan Corporate Audience Audit Mgr. For subscription information or service, please contact Customer Service at: Tel. (847) 763-9534 or Fax (847) 763-9538 or e-mail
[email protected] LIST RENTAL Postal contact: Kevin Collopy at 800-223-2194 x684
[email protected] Email contact: Michael Costantino at 800-2232194 x748
[email protected] ADVERTISING SALES REPRESENTATIVES Kathy Pisano Advertising Director,
[email protected] Ph: 412-306-4357 • Fax: 412-531-3375 Becky McClelland Classified Advertising Mgr.,
[email protected] • 412-306-4355 Larry Pullman Eastern & West Coast Sales Mgr. 317 Birch Laurel, Woodstock, GA 30188 Toll free: 1-888-494-8480 or 678-494-8480 Fax: 888-494-8481 •
[email protected] Steve Roth Midwest Sales Mgr., (520) 742-0175 Fax: 847-620-2525 •
[email protected] Patrick Connolly European Sales Representative Patco Media - London, 99 Kings Road, Westcliff, Essex (UK) SSO 8PH, (44) 1-702-477341; Fax: (44) 1-702-477559
[email protected] Mr. V. Shivkumar India Sales Representative,
[email protected] Mr. Arlen LUO Newsteel Media, China; Tel: 0086-10-8857-9899; Fax: 0086-10-8216-0061;
[email protected] Becky McClelland Reprint Quotes, 412-306-4355 Susan Heinauer Online Advertising Manager,
[email protected] • 412-306-4352 CORPORATE DIRECTORS Publishing: John R. Schrei Corporate Strategy: Rita M. Foumia Marketing: Ariane Claire Production: Vincent M. Miconi Finance: Lisa L. Paulus Creative: Michael T. Powell Directories: Nikki Smith Human Resources: Marlene J. Witthoft IT: Scott Krywko Clear Seas Research: Beth A. Surowiec BNP Media Helps People Succeed in Business with Superior Information
See Us at Booth #1727
12 October 2011 - IndustrialHeating.com
SOMETHING NEW IS ON THE HORIZON FROM SOLAR WE ARE ADVANCING THE CURVE IN HIGH PRESSURE GAS QUENCHING TECHNOLOGY. To learn more, visit us at booth #2305 at the 26TH ASM Heat Treating Society Conference and Exposition in Cincinnati, October 31–November 2, 2011.
The Brightest Solutions Through Ingenuity www.solarmfg.com PROUDLY MADE IN THE USA
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Twitter Widget for ASM Heat Treat Show
FORGExpo: A FREE International Virtual Event for the Forging Industry Sept. 28 • 9:00 a.m.-4:00 p.m. ET www.FORGExpo.com FORGExpo is the opportunity for you to connect with suppliers, network with peers, and learn from experts from all over the world – right from your computer. Whether you specialize in mass production or short runs, or whether you run a closed-die, open-die or ring-rolling operation, there will be something of interest for you at the industry’s very first virtual event!
Everyday Metallurgy The Famous Ride of a Foundryman/Metallurgist Did you know that Paul Revere was an early metallurgist? Revere’s early education was sufficient to enable him to later read the difficult metallurgical books of his day. His early training was by his father, who was a Boston silversmith. A perfectionist throughout his life, he went on to become one of America’s greatest artists in silver.
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16 October 2011 - IndustrialHeating.com
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Take advantage of Industrial Heating’s Twitterr widget – brought to you by Invensys Eurotherm – for or th the e upcoming upcomin upco ming g ASM ASM Heat Treat Conference and Exhibition. Here’s how it works: Tweet about the show using the hashtag #hts2011, and your tweet will show up on IH’s homepage. In addition, during the show, TVs and computers will be strategically placed around the show floor. Your tweets – using hashtag #hts2011 – will appear on those screens (in addition to IH’s homepage), scrolling throughout the event.
See Us at Booth #1811
Editorial Doug Glenn, Publisher | 412-306-4351 |
[email protected] Is Social Media Relevant to Technical People?
S
ocial media is the craze these days. The question is, “Is it relevant to the thermal-processing industry?” For those of you shaking your head “no” right now or thinking the equivalent, keep on truckin’ because chances are very good that your disinterest in social media will not hurt you in the short-term or intermediate-term future. But there are some interesting applications of social media that may surprise you. For example, did you know that if you search “heat treat” on YouTube, 525 results appear? A large percentage of these are industrial in nature. However, you will have to skip over a good number of “Zeno Heat Treat – Acne Miracle” videos to get to the truly industrial applications. Eurotherm has a pretty active YouTube channel that you can access by going to www.youtube.com/ heattreatandbeyond. Other notable YouTubers are Inductoheat (www.youtube.com/inductoheatinc), Inductotherm Corp., (www.youtube.com/inductothermcorp), Ipsen (www.youtube. com/ipsenheattreatnews), Rex Heat Treat (www.youtube. com/rexheattreat), Solar Atmospheres (www.youtube.com/ solaratmospheres) and a whole boatload of one-offs dealing with how to heat treat knife blades and/or gun barrels. Industrial Heating also has a YouTube channel (www.industrialheating.com/ihmagazine) with over 45 videos available for viewing – some technical, but the vast majority are business and/or promotional related. I gave a talk one year ago dealing with social media to a furnace manufacturer. At that time, there were essentially zero companies using YouTube in the thermal-processing industry. Today, it is catching on. By my estimation, YouTube holds the greatest potential to be useful to thermal-processing professionals. Industrial Heating will continue to work on organizing and clearly presenting video content provided by the industry. Stay tuned. Another useful social-media tool 18 October 2011 - IndustrialHeating.com
with reasonable applicability for the thermal-processing industry is LinkedIn (www.linkedin.com). If you have not already, you should create an account and then join the “Industrial Heating” group on LinkedIn. It is a great place to connect and meet industry people you might not otherwise know. LinkedIn is more business-focused than Facebook, but it can serve the same networking purpose – keeping people in touch with each other and helping them do their jobs better. If you have a LinkedIn account, you can join Industrial Heating’s LinkedIn group by going to www. industrialheating.com/connect. Other social media includes Facebook, Google+ (a new kid on the block) and Twitter. Let me encourage you to take advantage of Twitter this month. Here’s how. During the ASM Heat Treating Society’s Heat Treat Conference and Exposition, Eurotherm, in cooperation with Industrial Heating, will be sponsoring “Twitter Screens.” There will be large-panel TV screens posted around the exhibit hall where Twitter users can post their comments to be read by all passers-by. In addition, if you can’t make it to the event, you can follow the Twitter feeds on Industrial Heating’s website … even if you aren’t a Twitter user. At the bottom of Industrial Heating’s home page (www.industrialheating.com), you’ll see a graphic like the one shown here. This “Twitter Widget” will scroll the Tweets, and you can keep up with what is happening at the show – what’s good, what’s not so good and what is fantastic. Social media is not for everybody. But for those of you that are so inclined (and the numbers are growing), please feel free to participate in the first-ever Twitter event. If you want your comments to be posted to the aforementioned Twitter widget and Twitter Screens during the show, be sure to use the following hashtag – #hts2011 (you must include the #). For example: #hts2011 This heat treat event is the best in years. It doesn’t matter if the hashtag is first, last or in the middle, as long as there is a space before and after. It will be picked up and appear on the widget. This is an excellent opportunity to experiment with social media. IH
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Federal Triangle Barry Ashby, Washington Editor | 202-255-0197 |
[email protected] Revoke Export-Import Bank Charter
T
h is still time to change bad policy and practices to here make it right. H.R. 2072 is now probably law passed to m reauthorize Export-Import (Ex-Im) Bank through fedr eral fi scal year 2014 – a charter that would have othere wise expired Sept. 30, 2011. Common sense says to expect a stinky if the title on a bank charter is “Securing American Jobs Through Exports Act.” An Ex-Im report to Congress from several industry associations, including the U.S. Chamber of Commerce, all laud Bank activities and claim that trade financing supported $34.4 billion in exports and 227,000 U.S. jobs at over 3,300 companies last year. Poppycock is a nice word to summarize this claim. What follows here is a discussion of why that is so, together with what should be done to set the record (and U.S. policy) straight. Ex-Im was created by Executive Order #6581 in February 1934 by President Franklin D. Roosevelt to “assist financing U.S. trade with the Soviet Union,” which was then entering the world scene as successor to czarist Russia. The U.S. Constitution did not then and does not now authorize use of taxpayer funds to aid politically favored groups. However, the ExIm mission is still driven today by political rather than economic logic. Obama Administration goals under a National Export Initiative (NEI) specifically seek to double U.S. exports while increasing Ex-Im administrative expense allowances by 25%. Ex-Im assists only 1.9% of exports today, but it imposes artificial constraints in financing conditions. For example: • It sets a goal of not less than 10% credit and insurance costs for “renewable energy” end uses (only 2.2% last year were “environmentally beneficial” and just 0.23% have met the renewable energy target over the past eight years). • It requires any transaction over $10 million to deliver goods on a U.S. flagged ship (with the limited number of U.S. flag carriers, transportation costs are high enough to nullify any potential benefits of Ex-Im financing). • It requires that financed export contain not less than 25% U.S. content in products as a means to ensure U.S. employment (a burden for industry to ensure while remaining cost competitive with a global supply chain). • It supersedes private bank financing and makes taxpayers liable for defaults. (Ex-Im claims to finance only transactions too risky for private banking and lends only to credit-worthy borrowers. Being too risky and a safe bet cannot be simultaneous.)
20 October 2011 - IndustrialHeating.com
Another result of Ex-Im existence is that 10 firms got 92.8% of all loans and guarantees last year, and just three companies got 72.3% of all support (in order, Boeing, KBR Inc. and General Electric). The Bank even stacks the deck against U.S. industry by subsidizing foreign competition. For example, the fourth most favored loan and guarantee recipient is PEMEX, the state-owned Mexican oil company. Small businesses accounted for only 20% of all Bank authorizations, a much smaller share than the 32% small business contributed to national exports in 2010. Small and midsized U.S. industry is disproportionately under-served by Ex-Im Bank. The bottom line is that export subsidies via Ex-Im financing: does not aid U.S. employment; favors specific large businesses and industrial sectors; violates the U.S. law of the land; and costs the taxpayer more than any purported benefits. Further, Ex-Im refuses to provide information on specific allegations of its corrections to market failures and does not share any information with private banks that aid export trade. It is obvious that management of the Ex-Im Bank does not accept views drawn by many observers and critics that the Bank puts resources to less efficient use than private-sector analogs and creates distortions in the national economy. Bank management does not, moreover, accept the conclusion made by many organizations that have studied its activities (Pew Charitable Trusts, Government Accountability Office and Congressional Research Service) that it has a net negative impact on national benefits and purpose. It is long past time to restrict and disband this institution that was and remains a creature of the Progressive wing of the political spectrum that encourages pervasive and invasive government. It must also be recognized that Washington-located associations and lobbying groups do not speak for affected American business. It is time for our industrial leaders to speak to their elected officials in the House of Representatives and Senate and urge them to disband Ex-Im Bank, revoke its charter and return export financial services provided by private banks and insurance companies to its proper role. IH
©
BICOM_11050.02
1.06.2011
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The Heat Treat Doctor Daniel H. Herring | 630-834-3017 |
[email protected] Stress Corrosion Cracking
C
omponents fail for a variety of reasons, which includes a corrosion phenomena characterized by the fact that stress (and/or deformation) is present to provide a trigger that leads to sudden crack formation, propagation and failure. Let’s learn more. Stress corrosion cracking (SCC) is the type of failure mechanism caused by a combination of environmental, material and stress conditions (Fig. 1). It is generally considered the most complex of the failure modes since it can attack soft or hard parts; ferrous or nonferrous materials; ferritic or austenitic structures; and materials in the unalloyed or alloyed state. Cracks may propagate in a transgranular or intergranular fashion or in a combination of the two. The stress, however, must be in the form of tensile stress above some minimum (i.e. threshold) value, usually below the yield stress of the material and in the presence of a corrosive environment that includes sulfides, chlorides, caustics and hydrogen. Temperature is a significant environmental factor affecting crack formation, and pitting is commonly associated with SCC phenomena. In addition, catastrophic failure can occur without significant deformation or obvious (surface) deterioration of the component. The SCC phenomena can be affected by many factors in addition to stress level, including alloy composition, microstructure, concentration of corrosive species, surface finish, micro-environmental surface effects, temperature, electrochemical potential and the like. Further complications are initiation and propagation phases and the observation that in some cases cracks initiate at the base of corrosion pits. Mechanisms There is no identified single mechanism explaining SCC, but several theories have been proposed. • Active path propagation: Localized preferential corrosion (a.k.a. dissolution) at the crack tip, along a susceptible path, with the bulk of the material remaining in a more passive state. The rate of metal dissolution can be several orders of magnitude higher when an alloy is in its active state compared to its passive condition. • Hydrogen embrittlement: High hydrogen concentrates in highly stressed regions, such as at the crack tip or other stress concentrators, leading to localized embrittlement. • Brittle film-induced cleavage: Cracks initiated in a brittle surface film may propagate (over a microscopic distance) into underlying, more ductile material before being arrested by ductile
22 October 2011 - IndustrialHeating.com
blunting of the crack tip. If the brittle film re-forms over the blunted crack tip (under the influence of corrosion processes), such a process can be repeated over and over again. Negating the Effects of SCC A combination of good design, correct selection of SCC-resistant materials, environment management, maintenance and inspection can effectively control this type of corrosion. Stresses to consider include: Operational conditions • Applied (tensile) stresses Thermally induced factors • Temperature gradients • Differential thermal forces (expansion and contraction) Buildup of corrosion products • Volumetric dependent Assembly issues • Poor fit up (tolerance problems) • Tightening/torqueing • Press and shrink fits • Fastener interference • Joining method Residual stresses (from the manufacturing processes) • Joining (welding, brazing, soldering) • Forging or casting • Surface treatment (plating, mechanical cleaning, etc.) • Heat treatment (quenching, phase changes) • Forming and shaping • Machining • Cutting and shearing One of the most important considerations to negate the effects of SCC is choosing the proper alloy. It is relatively simple to choose a component with adequate strength and good (general) corrosion resistance. However, knowing the particular type of SCC issues that may be at work in the application is an important step in achieving a resistant material. In certain environ-
Environment
Materials susceptible
Stress
Fig. 1. Factors contributing to stress corrosion cracking
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Vacuum Furnaces - Atmosphere Furnaces - Replacement Parts - Hot Zones Locations: East Coast, Midwest & West Coast www.gmenterprises.com phone (951) 340-4646 fax: (951) 340-9090 See Us at Booth #1711
•
•
rial H
TH
Optical microscopy a) Failed component
(b) Grain-boundary attack (500X unetched)
Scanning electron microscopy (c) Intergranular attack
Fig. 2. Fastener failure – Stress corrosion cracking[2]
ments, it may be necessary to choose a material that will experience some general corrosion since general corrosion is visually evident, and, with proper preventative maintenance, general corrosion can be seen and components replaced as necessary. On the other hand, SCC is rarely visually apparent and often occurs without warning (Fig. 2). When it does, a catastrophic failure often follows. Other methods include removing the corrosive environment or changing the manufacturing process or design to reduce the tensile stresses. A combination of good design, careful selection of stress corrosion-resistant grades (e.g., stainless steel) and effective management, including maintenance and inspection, all can effectively control corrosion. Specific steps can be taken to prevent the onset of SCC and minimize its consequences when it does occur by: • Consideration of the potential for SCC during the design and fabrication of components • Selection of appropriate material grades • Maintaining a chemical balance of the environment • Ensuring that the potential for (organic or inorganic) contamination is minimized • Maintaining proper environmental conditions (e.g., air quality) • Regular inspections of components for signs of corrosion and SCC Importance of Material Selection In many applications, austenitic stainless steel fasteners (e.g., ASTM A193 grade B8) of 304 and 316 stainless steels provide good general corrosion resistance and are commonly requested. However, in marine environments where stainless steel would seem to be the logical choice, alloy-steel fasteners are preferred due to SCC concerns. Chlorides, fluorides and other halogens are known catalysts for chloride SCC. In order to reduce their susceptibility to general corrosion, alloy-steel fasteners such as grade B7 are usually provided with some type of protective coating (e.g., zinc or cadmium plating). However, the designer must still be aware that 24 October 2011 - IndustrialHeating.com
this can lead to another form of corrosion due to environmental stress cracking in the form of liquid metal embrittlement (LME) or a related failure mode, solid metal induced embrittlement (SMIE). Therefore, appropriate cautions must be taken. In addition to SCC, other forms of embrittlement include: (a) environmentally induced cracking due to such factors as cold work (i.e. residual stress), welding, grinding, thermal treatment or service conditions; (b) hydrogen embrittlement from plating, welding, cathodic protection and as a by-product of general corrosion; (c) corrosion fatigue; and (d) liquid-metal embrittlement. In Conclusion Careful consideration of the factors discussed above as well as taking the time to understand how and where a component will be used in service can help minimize stress corrosion cracking in most applications. IH References: 1. Naumann, Friedrich Karl, Failure Analysis: Case Histories and Methodology, Dr. Riederer-Verlag GmbH, 183. 2. Mr. Alan Stone, Aston Metallurgical Services Company, Inc. (www. astonmet.com), private correspondence. 3. Reilly, Peter, “Swimming in the Dangerous Waters of Stress Corrosion,” Roof Consultant (www.roofconsultant.co.uk) 4. Spence, Thomas, “Selecting the Right Fastener,” Materials Newsletter, Flowserve (www.flowserve.com). 5. Fastenal (www.fastenal.com) 6. www.corrosion-club.com 7. Corrosion Doctors (corrosion-doctors.org) 8. ASTM International (www.astm.org)
Use this Mobile Tag to go to Dan's Experts Speak blog for more SCC information.
4 M at 80 AS Tre # 1 at oth He Bo ow Sh New patented technology saves time and money when carburizing
World class heat processing equipment
See Us at Booth #1804
Ipsen delivers innovation… 1948 Ipsen founded by Harold Ipsen. Innovation begins…
At Ipsen we believe that innovation drives excellence. Our dedicated research and development team – Team Innovation – is constantly pushing the boundary of possibilities and dreaming a future of thermal processing excellence. Here are just some of our firsts:
1960 First MetalMaster® Horizontal vacuum furnace
1951 IpsenLab established for heat treating and application engineering
1975 First fully automated atmosphere furnace line
1992 First Carb-o-prof® Carbon Profiling System 2001 First Global V
1973 First continuous vacuum aluminum brazing furnace
1984 First TurboTreater® high pressure gas quench vacuum furnace
1968 First vacuum oil quench furnace
1997 New MultiMaster semicontinuous vacuum furnace
2005 First SuperTurbo® 12 bar furnace
a legacy of firsts.
2007 Second Generation TurboTreater®
2008 First TITAN® H2 Furnace
2006 First Tiny Turbo®
2010 First Vertical TITAN®
2011 First HybridCarb® Precision Gassing System
HybridCarb® is an ultra-efficient gassing system designed to replace endothermic generators. Instead of burning gas off, the process gas is reconditioned and reused. It’s the latest in a long line of innovations from Ipsen.
Visit our ASM Heat Treat 2011/Gear Expo booth #2123/2133 www.IpsenUSA.com/HybridCarb
Environmental & Safety Issues Richard J. Martin | Martin Thermal Engineering, Inc. | 310-937-1424 |
[email protected] Fire Water (Part 2)
L
a month’s column began a review of fire-protection ast strategies and systems for industry. This month, we s conclude that review. c
NFPA Guidance NFPA publishes more than a dozen standards addressing automatic fire-protection systems, including NFPA 10 (portable fire extinguishers), NFPA 12 (carbon dioxide), NFPA 13 (sprinklers), NFPA 17/17A (dry-chem and wet-chem), NFPA 15 (water spray), NFPA 750 (water mist) and NFPA 25 (water-based system maintenance). Water-Based Systems The water-based technologies each have advantages and disadvantages that users should be aware of. Water-based systems should never be employed to control fires where water-reactive chemicals are located. Steam is the least-utilized option in this grouping, having only non-mandatory design guidance (see NFPA 86). Steam can be useful to extinguish fires inside enclosures by displacing oxygen. It may have fewer negative side-effects than liquid water. However, steam has two major drawbacks that limit its usefulness. Escape of steam into occupied spaces creates a scald hazard. And unlike liquid water, steam’s ability to cool hot materials (e.g., burning embers or burning liquids) is limited. Water-mist is a relatively new technology. The first systems were installed in passenger ferries in the 1940s, and the first NFPA standard was published in 1994 as Halon systems were being phased out. Because the agent application rate is considerably lower than sprinklers, water-mist systems are particularly useful where the water supply is limited. Since the water is delivered in liquid form, however, the quenching effect is preserved. Further, the small size and large number of the droplets can block radiant heating of adjacent combustibles. Negatives for mist include the requirement for compressed air as an atomizing medium and the limited “reach” for each nozzle. Fixed water-spray systems provide droplets that are intermediate in size to those of sprinklers and mist systems but do not require an atomizing medium. Water-spray nozzles are often employed to extinguish combustible liquid fires through a combination of wider coverage than mist and smaller droplets than sprinklers. Because the volume of water released is high, means for drainage is required. Examples of water-spray appli28 October 2011 - IndustrialHeating.com
cations include conveyors that move combustible materials, fixtures with densely packed combustibles such as cable-trays and the exterior of enclosures requiring heat-exposure protection. Sprinkler systems are by far the most commonly implemented fire-protection technology. The first edition of NFPA 13 was published in 1896, and the current version incorporates a great deal of engineering know-how on detection, actuation, piping, water supplies and nozzle coverage. Sprinkler systems are distinguished by the detection/actuation method and whether the pipe is wet or dry out to the nozzles. A “deluge” system employs open heads installed in a dry pipe with an upstream actuation valve. An automatic sprinkler system contains closed heads with a plug/stopper that ruptures at a prescribed temperature to permit flow. Automatic sprinklers may be employed with a wet-pipe or dry-pipe distribution network, depending on the temperature of the protected space (i.e. ambient spaces, ovens or freezers). Non-Water-Based Systems Carbon dioxide and dry- or wet-chemical extinguishment systems round out the primary technologies for fire protection of commercial and industrial hazards. Dry- and wet-chemical systems are designed to discharge an agent (often sodium or potassium bicarbonate in particle or slurry form) onto surfaces to smother flames and cool heated materials. The agent is distributed using an expellant gas through a fixed network of pipes. As the agent contacts burning materials, the particles or droplets suppress the fire by both heat removal and chemical interruption of combustion chain reactions. Dry- and wet-chemical systems are often employed where lubricants, fuels, hydraulic fluids or cooking oils are at risk of being overheated and ignited. In CO2 systems, the agent is stored as a highpressure liquid that expands to a gas upon passage through nozzles, thereby providing a rapid cooling effect and displacement of oxygen. Due to the maturity of this technology, available design guidance is extensive. Precautions must be taken to prevent asphyxiation when utilizing CO2 in “occupiable” but “normally unoccupied” spaces such as transformer rooms, utility tunnels and liquid storage areas. The discharge of CO2 systems produces ice particles that can lead to the accumulation of static charge followed by sparking discharge. Conclusion Design, installation and maintenance of any fire-protection system should be carried out by qualified personnel. Local fire authorities frequently require and participate in annual inspections to ensure system readiness. IH
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Web Resources
Thermal-Processing Tools & Tips on the Web
onth Friend of the M
Social Media Social media, particularly LinkedIn, is populated with interesting discussion and useful Q&As. Here’s an edited sample of some of these. Number of Sensors for TUS Q: I just received a write up for not having test thermocouples within 3 inches of each process or load thermocouple when performing a TUS. This is apparently for comparison purposes. I already have nine thermocouples being used. Do I really need to add additional test thermocouples? I don’t recall seeing this in AMS 2750D. Interested in the answer? Link to it here: http://www.heattreatforum.com/vbulletin/showthread.php?t=600 Automotive Castings Q: What are the critical levels of sulphur, phos, manganese and chrome in grade-25 automotive-component castings?
Brian Kandell
A: Phosphorous at 0.33 will have phosphide eutectic on the cell boundries and will either leak in pr. testing or crack in application. If the % of steel in the cupola is raised by 5%, both will come down. Use low phosphorous pig. We have added up to 20% steel in cupola. For this particular automotive grade, use less scrap and try to balance them.
rian is the technical sales manager & energy and environmental business unit head for Micropyretics Heaters International, Inc. (MHI, Inc.) located in Cincinnati, Ohio. He is responsible for organizing and developing technical heating solutions.
Use this Mobile Tag for more answers on LinkedIn: 17-4 Stainless Heat Treatment Q: Does anyone have data re hardness/tensile change of 17-7PH stainless, CH 900 condition, when held at 900°F for greater than 1 hour? I need data for 8-24 hour temperature exposure if possible. A: You’re over-aging the material, so the tensile and hardness will go down. The material wasn’t designed to do this. You most likely will have to try different times and make your own chart of hardness versus tensile. The discussion can also be found on LinkedIn. Blogs The Importance of Post-Weld Heat Treatment http://www.brighthub.com/engineering/mechanical/articles/110118.aspx This blog is a brief but thorough discussion of PWHT. The Experts Speak http://www.industrialheating.com/Articles/The_Experts_Speak Our experts provide insight on a wide range of thermal processes. Patents Bearing patent http://www.patentstorm.us/patents/7857518/description.html A composite steel bearing is discussed. 30 October 2011 - IndustrialHeating.com
B
College: 1. Wright State University 2. University of Cincinnati Degree: 1. B.S. in Biomedical Engineering 2. M.S. Materials Science and Engineering Marital Status: Married with two kids – 2 years old and 6 months old Activities: Brian enjoys coin collecting (numismatics), golfing, cooking, grilling and camping. On a fall weekend, you might find him grilling with family and friends or playing a round of golf. Favorite Car: When asked about his favorite vehicle, Brian said a red Ford F-150 with manual transmission was his first (and favorite) vehicle. IH Reader: Brian has been an Industrial Heating reader for about five years. Find us on www.industrialheating.com/facebook
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Schunk Electro Carbón Toluca, México Phone: +(52) 728 282 7890 ext.6406 Fax: +(52) 728 282 7184
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Schunk Graphite Technology
MTI Profile Metal Treating Institute | 904-249-0448 | www.HeatTreat.net
Certified Metal Craft Specializing in Brazing and Heat Treating
C
e ed Metal Craft is a third-generation, veteranertifi owned, Nadcap-accredited brazing and heat-treating o facility located, in El Cajon, Calif. f The company started from modest beginnings. In June 1969, the Wiederkehr family purchased a 6,000-square-foot facility, formerly Star Heat Treat and Fishing Supplies, in La Mesa, Calif. At first, Certified Metal Craft provided a variety of brazing and heat-treat services for the San Diego market with just a few salt pots, tempering/aging ovens and a high-temperature glo-bar furnace equipped with retorts for atmosphere work using argon, nitrogen and hydrogen. Back then the company’s big account was Buck Knives, but it also provided services for Convair, General Electric, Rohr Industries and Teledyne Ryan to name a few. In the mid-1980s, Certified Metal Craft purchased its first vacuum furnace. Soon after, its customer base began to grow. By 1990, the company purchased its second vacuum and quickly outgrew the La Mesa facility. Due to an expanding customer base and an increase in services offered, Certified Metal Craft needed a larger facility. In late 1994, the company found – and purchased – a 28,000-square-foot building in El Cajon that fit its needs. Then things got interesting for Certified Metal Craft. The company purchased a third vacuum furnace in 1995 and added office space to accommodate its expanding workforce. Since the mid-1990s, Certified Metal Craft has added five vacuum furnaces, two endothermic furnaces and nine other pieces of support equipment. In addition, the company installed a G-M aluminum drop-bottom furnace and two companion age ovens, cryogenic processor, induction unit and production blast equipment. Certified Metal Craft has also purchased conductivity equipment for aluminum work and numerous inspection units. Today, the company performs a wide variety of services (brazing, normalizing, annealing, stress relieving, hardening, aging, tempering, sintering, case hardening, carburizing, carbonitriding) for the aerospace, auto, military and medical industries.
32 October 2011 - IndustrialHeating.com
Now in its 43rd year in business, Certified Metal Craft continues to support its customer’s needs. To that end, the company recently expanded yet again, adding another 30,000 square feet of production space. Furthermore, all of Certified Metal Craft’s 30 employees are committed to a common goal of customer support based on the work ethic of a family-owned and operated business. Ownership is sincere in its belief that nothing is more important that what comes to people’s minds when the name “Certified Metal Craft” is mentioned. As a Nadcap-accredited supplier serving all industries and prime contractors throughout the U.S. and Mexico, Certified Metal Craft strives to supply the best service possible in its continued efforts to be a one-stop shop. As for the future, the company is currently exploring options to expand into different markets, not only in the San Diego area but in southern California and beyond. For more information, visit www.certifiedmetalcraft.com.
See Us at Booth #1723
IHEA Profile Industrial Heating Equipment Association | 859-356-1575 | www.ihea.org
IHEA Making Things Happen Internationally
T
• Ted Jablkowski, Fives North American Combustion • Dan Curry, Eclipse Inc. • John Clarke, Diamond Engineering
he U.S. Technical Advisory Group (TAG) to the International Standard Organization (ISO) Technical Committee (TC) TC244 – International Standard for Industrial Furnaces and Associated Processing Equipment has been very busy. Since the May 2011 Working Group (WG) meetings in Belgium, the U.S. TAG’s task group has developed numerous Comments, which are formal proposals for changes, to the Committee Drafts (CDs) and Draft International Standards (DIS). In the pursuit of the development of an International Standard (IS), the Working Groups (WG) develop a Working Draft, then Committee Draft (CD), then a Draft International Standard (DIS), then a Final Draft International Standard and finally an IS with sequential and successful ballots by the Principal members of the various TAG’s representing countries around the world. The U.S. has the following experts working to develop various ISO documents:
Recent work of the U.S. TAG to ISO TC244 culminated in: • U.S. TAG ballot for Disapproval with Comments on CD 13577-1 from ISO/TC244/WG 1 – General safety requirements • U.S. TAG ballot for Disapproval with Comments on CD 13574 from ISO/TC244/WG 4 – Vocabulary • U.S. TAG ballot for Approval with Comments on DIS 135791, -2, -3, -4 from ISO/TC244/WG 3 – Method of energy balance and efficiency • U.S. TAG ballot for Disapproval with Comments on CD 13577-2 from ISO/TC244/WG 2 – Safety requirements for combustion and fuel handling systems (ballot pending vote of U.S. TAG)
ISO/TC244/WG 1 – General safety requirements • Kevin Carlisle, Karl Dungs Inc., convener for WG-1 • Ted Jablkowski, Fives North American Combustion • Mark Stender, Surface Combustion • Dan Curry, Eclipse Inc. • Bill Rucki, Fives North American Combustion • Elliott Davis, Selas Heat Technology Co. and Pyronics Inc.
The U.S. TAG met Sept. 28 Pittsburgh, Pa., to prepare for the upcoming WG meetings in Paris and to further develop our country’s positions on WG 13577-4 from ISO/TC244/WG 1 – Protective Systems. Any persons interested in joining the U.S. TAG to ISO TC244 are asked to contact Ted Jablkowski of Fives North American Combustion, U.S. TAG chair, at ted.jablkowski@fivesgroup.com.
ISO/TC244/WG 1 – Protective systems • Kevin Carlisle, Karl Dungs Inc., convener of WG-1 • Ted Jablkowski, Fives North American Combustion • Mark Stender, Surface Combustion • Dan Curry, Eclipse Inc. • Bill Rucki, Fives North American Combustion • Elliott Davis, Selas Heat Technology Co. and Pyronics Inc. ISO/TC244/WG 2 - Safety requirements for combustion and fuel-handling systems • Kevin Carlisle, Karl Dungs Inc. • Ted Jablkowski, Fives North American Combustion • Dan Curry, Eclipse Inc. • Elliott Davis, Selas Heat Technology Co. and Pyronics Inc. • Bill Rucki, Fives North American Combustion ISO/TC244/WG 3 - Method of energy balance and efficiency • Kevin Carlisle, Karl Dungs Inc. 34 October 2011 - IndustrialHeating.com
ISO TC244 members meet on a regular basis, including at IHEA’s 2011 Annual Meeting last April.
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Equipment News Vacuum Furnace Wall Colmonoy installed a Centorr Workhorse® vacuum-brazing furnace at its Los Lunas, N.M., facility. The new furnace, customized for Wall Colmonoy’s specific needs, is able to process material under high vacuum and partial pressures with excellent process control. It has an effective hot-zone size of 12 inches x 12 inches x 12 inches and a maximum temperature of 2400°F. The Yokogawa processcontrol system with HMI interface will help technicians maintain effective operation and control of the furnace as well as provide data with which to make operational decisions. Engineers and technicians will use the furnace to continually test braze quality. According to Wall Colmonoy, the furnace is expected to increase throughput by a factor of two. Used for product development, application development and research testing, this increased capacity will allow the company to keep pace with requirements. The model includes a Varian VHS – 6 diffusion pumping system, Leybold rotary-vane roughing pump and a water-cooled diffusion pump baffle allowing for processing of materials at very low vacuum levels. www.centorr.com
Coil Annealing Furnace Nichols Aluminum, a subsidiary of Quanex Building Products, purchased a Vortex® Jet Heating coil annealing furnace from SECO/ WARWICK. The furnace, which incorporates SECO/WARWICK’s patented, state-of-the art Vortex jet nozzle system, will be used for processing aluminum sheet at Nichol’s Lincolnshire, Ill., facility. The nozzle system produces high heat-transfer rates without creating hot spots at the impingement point. The result is uniform heating with a reduced cycle time compared to other high-velocity convection and mass-flow alternatives. Nichols Aluminum is an environmentally friendly aluminum sheet producer. This furnace will increase the plant’s efficiency and productivity. www.secowarwick.com
See us at:
ASM Heat Treating, Cincinnati, OH, Oct. 31-Nov. 2 to learn more about our latest solutions for high temperature applications in metal spin forming, metals induction pipe welding and materials testing.
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The Worldwide Leader in Noncontact Temperature Measurement See Us at Booth #2122
36 October 2011 - IndustrialHeating.com
Listen to the News! Visit www.industrialheating.com/podcasts for Industrial Heating’s twice-monthly news podcasts.
Industry News
Oven Lucifer Furnaces delivered a large fiber-lined, forced-air recirculating oven to The Lincoln Electric Company in Cleveland, Ohio. With chamber dimensions of 24 inches high x 24 inches wide x 36 inches long, the oven features a uniformity of +/-15°F between 200°F and 1200°F. Constructed with ceramic-fiber insulation for energy savings and faster heating and cooling cycles, the oven includes a stainless steel roller hearth for ease of loading/unloading. It also includes a Honeywell over-temperature controller and chart recorder. Heating elements located on the side walls are designed from heavy-gauge resistive element wire mounted over ceramic tubes for full radiation from the coils for rapid heat. Each element is mounted individually for easy, low-cost replacement. A high-volume stainless steel fan assembly with heat slinger circulates air around the alloy liner, past the heating elements and through the chamber, providing uniform heat to the workload. A safety micro switch automatically shuts off power to the fan and heating elements when the door is opened. www.luciferfurnaces.com
Vacuum Furnace Ipsen, Inc. shipped a 2-Bar TITAN® H6 to California Brazing/Nevada Heat Treating. The TITAN H6 has a 36-inch x 36-inch x 48-inch work area and will be used to perform both commercial and Nadcap-accredited brazing processes. The TITAN is an all-new, modular, standardized, skid-mounted heat-treating system that can be installed in just a few days. Its control system supports multiple languages, provides real-time data acquisition and stores up to 1,000 recipes. TITAN’s small footprint, manufacturing versatility, operational simplicity
See Us at Booth #1623
38 October 2011 - IndustrialHeating.com
and financial flexibility (purchase, lease or rent) add up to greater profitability and response time. www.ipsenusa.com
Vacuum Furnace Solar Atmospheres of Western PA will install a custom-built horizontal 20-bar vacuum furnace at its Hermitage facility. The furnace, which was designed and built by sister company Solar Manufacturing, measures 40 inches wide x 50 inches deep x 36 inches high and has a 3,500-pound maximum load. The excessive pressure and high-speed gas velocities of the 20 bar simulate the benefits of oil quenching. Using inert gas as an alternative to oil minimizes distortion and provides a much cleaner process. The new furnace will allow Solar Atmospheres to better serve customers requiring vacuum carburizing by increasing core hardnesses of large cross-sections. www.solaratm.com
Industry News
Box Furnaces L&L Special Furnace Co. manufactured two high-uniformity box furnaces for a U.S.-based manufacturer of wind-turbine components with facilities in Germany and Japan. The primary purpose of the furnace is to remove a cutting residue left on turbine parts after machining. The parts are placed in the furnace and heated to 1000°F. The furnaces, which are also used for tempering and other thermal processes up to 1875°F, have a work envelope of 48 inches wide x 60 inches high x 60 inches deep. There is a cast alloy hearth and hydraulic loader for easy loading and unloading. The furnace has an automated variable-speed controlled exhaust system. At a certain point in the process, when the cutting residue is at a critical temperature, the exhaust system activates. A series of slide dampers under the furnace open and allow fresh air into the furnace while exhausting the cutting-residue fumes. The furnaces are heated from four sides and have lightweight highdensity castable piers for hearth support. www.hotfurnace.com
For over 50 years, we have provided Electrical Safety Equipment for Industry. For complete info, contact us at
[email protected]. Visit our website at www.protectioncontrolsinc.com.
See Us at Booth #2035
Global Heat Treating Partners Visit us at booth #2111 at the ASM International onal show to discuss your heat treating needs.
Lindberg/MPH and Solo Group continue to provide innovative solutions to the global heat treating and heat processing marketplace. Lindberg/MPH P.O. Box 131 | 3827 Riverside Road | Riverside, MI 49084 | USA | Phone: (269) 849-2700 | Fax: (269) 849-3021 |
[email protected] www.lindbergmph.com/IH See Us at Booth #2111
40 October 2011 - IndustrialHeating.com
Industry News
Ask the Expert Steve Ruoff Commercial Technology Manager, Metals Processing
Q
For our vacuum furnace, how can we get adequate gas pressure to quench at pressures up to 20 bar?
A
There are a number of ways to address the challenge of high pressure gas quench—and a variety of factors to consider to achieve the most economical high pressure gas supply solution. Air Products applications engineers can help you fully understand your furnace and its backfilling gas volume, and then properly size the surge tank pressure, volume and usage which are the key to ... ... read Steve’s full answer at www.airproducts.com/J56 or give us a call at 800-654-4567 (press 1 and mention code 883). Don’t miss us at the Heat Treat Show November 1-2, in Cincinnati, Ohio. Visit booth 1823 to learn how our experience in gas supply, applications development and safety can help you improve product quality, reduce operating costs, increase production and optimize gas usage.
Nitriding System Nitrex Metal received an order from China’s Xi’An Aero-Engine Group, a manufacturer of turbojet and turbofan engines and gas turbines. The Nitreg®-S type nitriding system will be used for processing stainless steel aero parts as well as Nitralloy and alloy steel components. The furnace, with a work zone measuring 32 x 59 inches, has a maximum load of 3,300 pounds and is equipped with an ammonia dissociator for delivery of process gases and a neutralizing system to meet emission standards. The system, which will be delivered in the second half of 2011, complements a previous system delivered to Xi’An nine years ago and will support the company’s production expansion efforts. www.nitrex.com
Business News Eclipse Acquires CEC Combustion Safety Eclipse Inc., a provider of products, systems, and services for industrial heating and drying applications, acquired CEC Combustion Safety (CEC). Eclipse intends to operate CEC as an independent organization, providing the CEC business with the infrastructure and resources to significantly grow their market position in safety-related combustion services. CEC will continue to operate out of its Cleveland, Ohio, facility. According to Rockford, Ill.based Eclipse, the acquisition adds leadership in combustion safety as an integral part of the company. According to CEC, Eclipse gives it the scope and scale to take the CEC value proposition to unsurpassed levels in the combustion industry. John Puskar, president of CEC, will continue to lead the business unit.
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The right parts, on time, every time. ™
See Us at Booth #2005
Industry News Quality Heat Treat Equipment & Atmosphere Generators
THERMO TRANSFER INC. Cosma International Acquires Grenville Castings
Radiant Tube Heated Roller Hearth Furnace
Our Gas Fired Roller Hearth Furnaces incorporate the latest features in furnace design including atmosphere, temperature and PLC controls. We offer complete design, manufacturing, installation and service for all of your heat processing equipment needs.
Roller Hearths Mesh Belts Box Furnaces Car Bottoms Catalyst
Tip-Ups Atmosphere Equipment Replacement Parts Complete Rebuild Services Repairs
For more information, write or call: Thermo Transfer Inc. 1601 Miller Ave. • Shelbyville, IN 46176 (317) 398-3503; Fax (317) 398-3548 Website: www.thermotransferinc.com
Cosma International, a global automotive metal-forming supplier and an operating unit of Magna International Inc., acquired Grenville Castings, a structural casting supplier of aluminum components for the automotive, heavy truck and recreational markets. Grenville Castings, headquartered in Perth, Ontario, is a niche production and development company with a focus on complex structural casting. Its core technology includes thin-wall and hollow-core low-pressure casting. With the combination of Cosma’s global footprint and the technical expertise gained from Grenville Castings, the acquisition positions Cosma to become a leading global manufacturer of aluminum structural castings in all major geographic markets. The acquisition will also support Cosma’s global launch of an automotive chassis program scheduled to start production in 2014. Production will be supported through both existing and new manufacturing facilities.
Timken May Invest in Ohio Steel Plant The Timken Company is considering investing $225 million at its Canton, Ohio-based Faircrest Steel Plant to increase capacity, expand product range and strengthen competitiveness of its alloysteel bars. A ladle refiner and large-bloom continuous caster would be central to the investment, targeted to begin production in 2014. The investment would increase Faircrest’s shipped capacity by 25%. A team from Timken is beginning discussions with suppliers and government officials.
See Us at Booth #1831
QUICK TURNAROUND, QUALITY SERVICE REDUCE YOUR INVENTORY AND ADD TO YOUR BOTTOM LINE Count on Furnace Parts, LLC, to meet all your needs for Industrial Thermocouples and Temperature Sensors. We offer a full range of products and services, including: • • • • •
Mineral Insulated Metal Sheathed Thermocouples (MgO) Noble Metal and High Temperature Thermocouples––Types S, R, B and C Base Metal Thermocouples—Types J, K, N, T and E Insulated Thermocouple and Extension Wire NIST Traceable Calibration Services
ISO 9001:2008 and ISO/IEC 17025:2005 accredited since 2000. We are dedicated to providing our customers with the highest level of service, creative solutions and short product lead times. Call (800) 321-0796 or visit www.furnacepartsllc.com for information.
Proud member of:
See Us at Booth #2218
44 October 2011 - IndustrialHeating.com
Quality stock
castings available directly from Wirco. IMMEDIATE DELIVERY! C A S T T R AY S
ISO 9001 Certified: 2008
PUSHER HEADS ROLLER RAILS CHAIN GUIDES
F U R N A C E FA N S For a complete listing of stocked parts go to:
wirco.com See Us at Booth #1935
To place an order from our stocking program call: 1.800.348.2880 email: sales @ w i r co.com or contact: your local sales representative All parts are common for 30 x 48, 36 x 48 and 36 x 72 Batch IQ Furnaces.
MADE IN AMERICA
Industry News
Carpenter to Build Facility Focused on Premium Products Carpenter Technology announced that it will construct a new 400,000-square-foot state-ofthe-art manufacturing facility in response to strong customer demand for premium products primarily in the fast-growing aerospace and energy industries. The new facility, which is expected to be operational in approximately 30 months, will ultimately be capable of producing approximately 27,000 tons per year of additional premium product. It will include
CFC, Carbon Carbon Composites
remelting, forge and associated finishing and testing capabilities. The facility will be built on one of several 200-acre greenfield sites currently under consideration and will cost approximately $500 million. The investment will enable Carpenter to support the increased demand related to the Latrobe (pending), Amega West and Oilfield Alloys acquisitions. It will also support increased demand expected from the sales of new technologies the company plans to commercialize over the coming years.
Cabot to Sell Supermetals Business
Cast Tray
135 lbs. Total Weight
Cabot Corp. entered into an agreement to sell its Supermetals business to Global Advanced Metals (GAM) for a minimum of $400 million in total cash consideration. The transaction is subject to regulatory approval and is expected to close by the end of the calendar year. GAM is a global leader in the supply of tantalum ore, a raw material used by the Supermetals business in the manufacture of high-end products to the aerospace, electronics and other industries. Cabot will maintain its mining operation in Manitoba, Canada, where the company mines cesium for its Specialty Fluids Business and tantalum.
Evraz to Expand Portland Tubular Operations
CFC Tray
30 lbs. Total Weight Highly stable, No distortion
Improved Cost Performance for Heat Treat Operations From CFC Fixturing to Hot Zone materials, ACROSS can provide energy-efficient high-temperature material solutions for the vacuum furnace and heat treating industry
ACROSS USA, INC. Phone: 310-635-3555
[email protected] See Us at Booth #2106
46 October 2011 - IndustrialHeating.com
THE NEXT MATERIAL WORLD www.acrosscc.com
Evraz Group plans to expand Evraz Inc. NA’s structural tubing facility in Portland, Ore., to add capacity to manufacture American Petroleum Institute certified (API) pipe. This multi-million dollar investment is scheduled for completion by August 2012 and will bring the mill’s total capacity from 120,000 short tons up to 250,000 short tons of API pipe and structural squares, rounds and rectangles. Evraz will supply steel for the API pipe from its sister steel mill next door. The facility will continue to support the structural tubing market in addition to the new OCTG product line.
Stackpole International Acquired by Sterling Group Stackpole International, a manufacturer and sole-source supplier of highly engineered oil pumps and powderedmetal components to automotive original equipment manufacturers, was acquired from Gates Canada by the Sterling Group, continued on page 48
Advancements in Gear Hardening
GEAR HARDENING
Single Precise Frequency Profile Hardening. Recognizing the demand for greater equipment simplicity has motivated Ajax TOCCO to develop and refine a customer driven innovative system based on the use of a specifically precise selected single programmed frequency. This frequency is used to produce the required diametrical pitch gear tooth profile hardened pattern. This is just one of the numerous advancements Ajax TOCCO is producing for the future. For more information, please visit our website or call Ajax TOCCO.
Ajax TOCCO Magnethermic® Corporation 1745 Overland Ave Warren, OH 44483 Tel: 800-547-1527
THE GLOBAL FORCE IN INDUCTION TECHNOLOGY See Us at Booth #1901
Tel: 330-372-8511 Fax: 330-372-8608
www.ajaxtocco.com
Industry News 73)NNOVATION4HENEW732%+5-!43 WITHGAPFLOWHEATEXCHANGER.EXTGENERATION TECHNOLOGYOFHIGHPERFORMANCE73BURNERSYSTEMS a Houston-based private equity investment firm, for $285 million. Headquartered in Ancaster, Ontario, Stackpole currently has 12 manufacturing facilities and technical centers in North America, Europe, China and Korea. Stackpole, which was founded in 1952 and acquired by Gates in 2003, is a market leader in both oil pumps and powdered metals.
Horsehead to Build New Production Facility
-AXIMIZEDEFFICIENCY T H E N E W B U R N E R G E N E R AT I O N 73)NCÀ7EST%RIE!VENUEÀ,ORAIN /(53! 0HONE À&AX % MAILWSINC FLOXCOM 737iRMEPROZESSTECHNIK'MB(ÀD 2ENNINGEN'ERMANY
See Us at Booth #2110
IFI 48 October 2011 - IndustrialHeating.com
Horsehead Corporation announced that it plans to build its new, state-of-the-art zinc and diversified metals production facility in Rutherford County, N.C., near the municipality of Forest City. The new plant is expected to employ approximately 250 people once it is fully operational. According to Horsehead, the facility will produce zinc at much lower costs and provide opportunities for the company not only to serve its traditional hot-dip-galvanizing market but also to serve the broader market for special highgrade zinc and the continuous galvanizing market. Horsehead anticipates capital costs for the new plant, which will be capable of producing special high-grade zinc and continuous-galvanizing grade in addition to the Prime Western grade that the company currently produces, to be more than $350 million. Construction of the facility could be completed as early as the third quarter of 2013. The existing smelter in Monaca, Pa., will continue to operate until the new plant is fully commissioned. Horsehead plans to continue non-smelter operations in Monaca and is exploring alternative uses for the facility.
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Industry News/Events
People in the News Katanya Jaworek (left) has been added to SECO/WARWICK’s Thermal Team sales staff as a sales application engineer. Ms. Jaworek responsibilities will include presenting and negotiating custom-engineered furnace proposals with customers and developing project concepts and project proposals to solve customer needs.
ALD Thermal Treatment, Inc. Providing the fi nest metallurgical services in a wide variety of markets through Vacuum Treatments and specialized gas quenches.
LEADERS IN THE CONTROL OF DISTORTION Vacuum Carburizing with High Pressure Gas Quenching Plasma CARBURIZINGs Vacuum High-Temperature 3OLUTION.ITRIDINGs Vacuum HarDENINGs Vacuum Brazing ANNEALINGs.ORMALIZINGs#ryogenic Treatments Measurement and Testing
GLOBAL SERVICE CENTERS
Ed Ridge (center) has been named chief operating officer for Aerobraze Engineered Technologies, a division of Wall Colmonoy. Mr. Ridge has extensive experience leading manufacturing engineering companies to strong operational and financial results. Gary Peterson (right) has been named operations manager at Wall Colmonoy’s Los Lunas, N.M., facility. Mr. Peterson is an expert in global supply-chain optimization. He will focus on applying lean manufacturing practices at Los Lunas.
Events OCTOBER
Oct. 30-Nov. 4 AVS 58th International Symposium and Exhibition; Nashville, Tenn. www.avs.org
Oct. 31-Nov. 2 ASM Heat Treating Society Conference and Exposition; Cincinnati, Ohio www.asminternational.org
Limbach - Oberfrohna Germany Port Huron, Michigan USA Ramos Arizpe, Coahuila Mexico
NOVEMBER
10 FORGExpo – A free international virtual event; 7 a.m.-1 p.m. ET www.forgexpo.com
www.aldtt.net www.ald-vt.de Photo: Buderus Edelstahl GmbH
Michael Pode (Sales) 803-546-6686 or
[email protected] Robert Peters 803-600-8052 or
[email protected] 50 October 2011 - IndustrialHeating.com
10-12 Aluminium India 2011; Mumbai, India http://www.aluminium-india.com/ 11 Free Webinar, hosted by Industrial Heating – “Secrets of Hardness & Mechanical Testing” www.industrialheating.com
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See Us at Booth #1801 IndustrialHeating.com - October 2011 51
MO L YBD EN UM & TUNG STEN. Elmet Technologies is a world-class supplier of mill products and machinefabricated furnace components. • • • • • • •
HOT ZONE COMPONENTS AND ASSEMBLIES FURNACE RACKS FASTENERS, SPACERS, HANGERS, CROWNS ROD (THREADED, GUN-DRILLED) HEATING ELEMENTS (WIRE, ROD, MESH) SHIELDING (COMPONENTS AND ASSEMBLIES) CRUCIBLES, BOATS, CARRIERS
• CUSTOM-DESIGNED HARDWARE
Elmet. We fabricate Molybdenum and Tungsten products for innovative companies worldwide. See Us at Booth #1927
+ 1 2 0 7 . 3 3 3 . 61 0 0
e ti sa l e s@ e l m et t ech.co m
www.elmet t echno lo g ies.co m
COME SEE US AT HEAT TREAT 2011 IN CINCINNATI, OCT. 31–NOV. 2, BOOTH #1927
FEATURE | Heat Treating Fig. i . 5.. HybridCarb y i C ® installed on a furnace
Greener Thermal Processing Leads to a Greener Bottom Line Aymeric Goldsteinas and Jim Grann – Ipsen, Inc.; Cherry Valley, Ill. Most thermal-processing companies turn green at the thought of going green. It can be very overwhelming when you consider changing technologies, retooling operations and production practices at a cost that often takes years to recover. Sustainability, grid parity, subsidies, LEED certification … What does it all mean when it comes to the bottom line?
0.40 %F %C
Carbon Potential, %
0.60
0.20 0.00
08:22:00
07:24:20
06:26:40
05:26:00
04:31:20
03:33:40
EndoGas 02:36:00
0.00
0.80
01:38:20
08:22:00
07:24:20
06:26:40
05:26:00
04:31:20
03:33:40
02:36:00
01:38:20
00:40:40
23:43:00
22:45:20
21:47:40
HybridCarb
1.00
00:40:40
0.20
%F %C
insulation, furnace cycle optimization, high-efficiency combustion systems and gas ratios paired with concern for uniformity, repeatability and overall product quality. If you know you have a tight furnace and optimized cycles, you’ve done all you can do, right? Not so fast. Our research and development team – Team Innovation – is busy every day
23:43:00
0.40
Fig. 1. Photo of HybridCarb®
1.20
22:45:20
0.60
Temperature, ˚F
0.80
Carbon Potential, %
1.00
2000 1800 1600 1400 1200 1000 800 600 400 200 0
21:47:40
1.20
20:50:00
Temperature, ˚F
2000 1800 1600 1400 1200 1000 800 600 400 200 0
Twain, “If you stand still, you fall behind.” The thermal-processing industry must remain innovative in order to keep moving forward. In today’s atmospheric gassing systems using endothermic gas or nitrogen/methanol, only 2% of the gas is actually diffused into the workpieces – 98% remains unused and is burned off and released into the atmosphere. This is not only questionable from an environmental standpoint but also represents a squandering of resources, resulting in unnecessary costs. For atmospheric furnaces, there are many factors to consider for increasing your “green-ness.” These factors include
20:50:00
A
l lthough many companies across the globe have n managed to become much m greener and in the process g have begun saving, it usually takes a significant investment of both time and money and is often a very difficult transition. Change can be painful and cumbersome to production, and in heat treating, slowing production can be extremely detrimental to the bottom line. At Ipsen, we believe that innovation drives excellence, and that excellence includes being more environmentally friendly. Heat treatment is an energyhungry business, and in the words of Mark
Fig. 2a and 2b. These charts show that the furnace temperature and carbon potential of the HybridCarb® system (2a) is comparable to that of an endothermic generator (2b), but recycling the process gas provides better carburizing efficiency and reduced cost savings. IndustrialHeating.com - October 2011 53
EG-III
Depth
0.058
0.054
0.050
0.046
0.042
0.038
0.034
0.030
0.026
0.022
0.018
EndoGas 0.014
0.058
0.054
0.050
0.046
0.042
0.038
0.034
0.030
0.026
0.022
0.018
0.014
0.010
HybridCarb
EG-II
0.010
HRC
HC-III
EG-I
0.006
HC-II
64 62 60 58 56 54 52 50 48 46 44
0.002
HC-I
0.006
64 62 60 58 56 54 52 50 48 46 44
0.002
HRC
FEATURE | Heat Treating
Depth
Fig. 3a and 3b. These charts show hardness uniformity from the same furnace with identical sample coupon material and placement. Uniformity is much tighter with HybridCarb® (3a).
dreaming the future. When they looked at atmospheric technologies, they saw a huge opportunity hiding in a dinosaursized carbon footprint – endothermic generators, one of the largest culprits of energy consumption in thermal processing. Endothermic generators get the job done but often lack the adjustment capabilities to efficiently handle the fluctuations of demand at the generator, furnace and
ever-changing natural gas suppliers, not to mention the waste of burning off the process gas during generation. New Process-Gas-Recycling Technology Ipsen’s new process-gas-recycling technology saves energy and resources by decreasing energy consumption and carbon footprint, resulting in immediate cost savings
without the hassle of major changes in operations. HybridCarb® is a gassing system that provides precise process gas control. Instead of burning it off, the process gas is recycled, reconditioned and reused, which increases efficiency up to 90%. The HybridCarb system allows for a reduction of more than 40 tons of CO2 per year – the equivalent of planting 220 new trees a year!
P ulse F iring S ystem S olutions F eaturing K romschröder Combustion C ontrols
Can y our c ontrols stand u p t o the d emands o f p ulse f iring? Pulse f iring requires c ont rols w hich c an m eet t he demands o f repeatability o ver m i l l i o n s of c ycles.
• • • •
Fuel savings up to 30% Excellent temperature uniformity Versatility of control scheme
• Lower NOx • Improved turndown • Heating and cooling cycles
High-low or on-off control
To t ak e a dvant age o f t hese b enefit s, i nvest i n h igh quality K romschröder c ontrols f rom H auck. Hauck M an uf act uring C ompany , PO Box 90, Lebanon, PA 17042 Phone: 717-272-3051 Fax: 717-273-9882
www.hauckburner.com
See Us at Booth #1822
54 October 2011 - IndustrialHeating.com IH06084Hau.indd 1
5/6/08 10:14:51 AM
How it Works
The Ipsen HybridCarb system replaces endothermic generators and other similar gassing systems with a more efficient system that not only generates the process gas but also recycles it, resulting in significant cost savings. Using this system, process gas is recovered and used for further heat treatment. Thanks to this processgas recycling, the carburizing efficiency is enormously increased, which is a benefit not only for the environment but also for our operating efficiency. The unique design of the HybridCarb system has a more efficient gas injection method than that of an endothermic generator, which allows for a better distribution of carbon, resulting in tighter hardness uniformity. During HybridCarb’s recirculation phase, the process gas is not directed to the burn-off system. Instead, after transferring carbon into the load, the process gas is guided back through the system in order to be reconditioned and reused. This gassing method offers the possibility of saving 90% of the process gas during the carburization cycle, thus reducing the exhausting of carbon dioxide (CO2) caused during the process-gas burn-off. The combination of the precise control enabled by HybridCarb along with the process-gas injection method provided by the Trunk Module (patent pending) has delivered tighter hardness uniformity in several of our early beta testing sites. The unique HybridCarb design allows for precise process-gas control, which results in reduced heat-input requirements and can lead to better performance, while the gas burners on the furnace work less – all translating to less utility cost, faster recovery after transfers and reduced maintenance cost. Types of Furnaces Supported HybridCarb can be installed on batchtype furnaces (e.g., Ipsen type TQ- and RTQ- furnaces as well as similar furnaces from other manufacturers). Furnace integrity is a factor when considering the HybridCarb application. The furnace tightness must support a low, controlled leak rate and minimal pressure with a specified flow rate in order to carry
out an efficient recirculation and reconditioning of the process gas. Some furnaces may require slight modifications for maximum efficiency and control. Installation of HybridCarb
Unlike many green improvements, HybridCarb can be installed in hours. It is
intuitive, operator-friendly and its compact roll-in design fits almost anywhere, taking up much less space than your typical endothermic generator. It does not require riggers, and it connects to the existing utilities while having almost no hardwire break-ins to the original controlling system. The original alarm and safety
We are Invensys Eurotherm Reduce energy costs and increase power control performance through the E-Power’s load management funtion..
Temperature Uniformity Survey Recorder
Expect more from your temperature controllers, bring them online.
Visit us at ASM 2011 - Booth #2011, to learn more about our products.
nanodac™, combining secure data and PID control now with setpoint programming.
www.Eurotherm.com
See Us at Booth #2011 IndustrialHeating.com - October 2011 55
FEATURE | Heat Treating
Fig. 4. Snapshot of HybridCarb savings calculator showing how it can save you thousands of dollars a year. Typical protective atmosphere volume required
750 CFH
24 x 36 x 24 load size furnace
500 CFH
36 x 48 x 36 load size furnace
750 CFH
Process factors that impact HybridCarb™ Furnace cycles per day
1.0
Operating weeks/year
51
Production hours/week
120
Production days/week
5
Furnace Tightness factor (0.4 to 1.0)
0.85
Process factors unique to nitrogen/methanol atmosphere Electric-heated furnace 1=On 0=Off
1
Gas-heated furnace 1=On 0=Off
0
Gas-heated combustion efficiency %
73%
Combustion efficiency "U"-tube burners
57%
Combustion efficiency "SERT burners"
73%
Common to all Atmospheres Enriching (carburizing) % of total cycle duration
0.75
Utility Costs Electric cost $0.00/KWH
$0.08
CH4 cost/Mtherm
$4.50
Nitrogen cost/100CF
$0.140
Methanol cost/gallon
$1.65
Note: Green highlighted values adjusted for each application
Maintenance labor rate/hr with burden
$75.00
HybridCarb® annual savings HybridCarb® vs. endothermic
$15,449 savings
HybridCarb® vs. nitrogen-methanol
$26,209 savings
HybridCarb® Annual natural gas cost
$1,848
Annual electric cost
$2,232
Annual operating cost
$4,081
Endothermic Atmosphere Annual natural gas cost
$12,631
Annual electric cost
$2,399
Annual maintenance parts
$1,500
Annual maintenance labor
$3,000
Annual operating cost
$19,530
Nitrogen-methanol atmosphere Annual nitrogen cost
$3,599
Annual methanol cost
$20,112
Annual natural gas cost
$775
Annual electric cost
$5,805
Annual operating cost
$30,290
56 October 2011 - IndustrialHeating.com
sequences are unaffected by the installation. This green technology offers a nearly hassle-free solution, using less floor space and less piping than endothermic generators, and it reduces costs immediately upon installation. HybridCarb interfaces with the existing gas safety panel. In addition, the installation of Ipsen’s Trunk Module into one of the sidewalls of the heating chamber is required. The Trunk Module extracts the process gas out of the heating chamber, sending it to be reconditioned, and then delivers the reconditioned gas back into the heating chamber as needed. The Trunk Module is designed to work in conjunction with the combustion blower of the heating chamber during the atmosphere circulation phase, which provides a sufficient separation between extracted (used) gas and recycled (reconditioned) gas. The only change in the furnace controls is the installation of a manually operated switch in order to activate the HybridCarb system. This switch can also be installed directly into the control unit and includes an electrical bypass that monitors the amount of protective gas in the furnace’s gas safety panel when the system is activated. All other security queries of the existing furnace installation remain active and will not be affected by the start-up of the HybridCarb system. The existing furnace hardware and software – including all probes, sensors, analyzers and the furnace-gas safety panel – are still responsible for creating and executing the heat-treatment programs, temperature control and C-potential control in the heating chamber. In the same respect, all safety devices and original adjustments remain active on the furnace. Overall Benefits and Support
The benefits of the HybridCarb system include: • Quick and easy connection using Ipsen’s patent-pending Trunk Module • Fast recovery of atmosphere after door movement and quenching operations • Less heat and atmosphere loss due to closed recirculation design • Improved hardness uniformity • Less chance of IGO formulations • Enhanced furnace pressure regulation • Significantly less expensive to operate compared to the cost of running and maintaining an endothermic generator or nitrogen/methanol gassing system • One system per furnace prevents a single generator from bringing several furnaces to a halt • Shorter burner recovery time • Less natural gas consumption • Environmentally friendly and cost efficient Ipsen’s world-class Aftermarket Support team provides support, prequalification testing and installation of HybridCarb systems. Conclusions Making changes and improvements to be more green can be a hassle, but Ipsen’s HybridCarb gassing system is one of the few green technologies that is easy to implement, and it allows you to begin saving right away. So next time you feel yourself getting a little green around the gills about being more environmentally friendly, remember research and development teams, like our Team Innovation, are working hard every day to make green technologies more, well, company-friendly. IH For more information: Contact Ipsen, Inc., 984 Ipsen Road, Cherry Valley, IL 61016; tel: 815-332-4941; fax: 815-332-4995; e-mail:
[email protected]; web: www.IpsenUSA.com. Author Jim Grann is senior technical manager and Aymeric Goldsteinas is product development manager.
Specialty Vacuum Heating Furnaces Bottom Loading Induction Furnace
Vacuum Aluminum Brazer (VAB)
High Temperature Vacuum Brazer
Clamshell Resistance
PV/T
Corporation produce Specialty Vacuum Heat Treating furnaces for a wide range of applications. PV/T a subsidiary of Vacuum Heat Treatment is currently widely used in the aerospace, land-based turbine, automotive and tool industries. Our vacuum heating furnaces are designed to enable our customers to meet the latest pyrometry and industry specifications, such as AMS2750D and NADCAP requirements. PV/T and Consarc Specialty Vacuum Heat Treating furnaces are recognized as industry standards in many specialized applications such as: s s
6ACUUM!LUMINUM"RAZING6!" (IGH4EMPERATURE6ACUUM"RAZING6"2
s(ARDENINGANDTEMPERINGOFTOOLSTEELS6(4 s(IGH4EMPERATURE(EAT4REATINGª#
We also offer the unique “Clamshell” split chamber furnace design with its inherent advantages of easy access for loading and maintenance. All furnaces can be engineered to meet a wide variety of customer requirements.
For more information please visit our web site: www.pvt-vf.com or call us at (609)267-8000
See Us at Booth #1611
100 Indel Ave. Rancocas, NJ 08073
FEATURE | Induction Heat Treating
Computer Modeling Helps Identify Induction Heating Misassumptions and Unknowns Fig. 1. An appearance of skin effect when induction heating carbon-steel billets
Dr. Valery Rudnev – Inductoheat Inc.; Madison Heights, Mich. Whenever someone is discussing induction heating, reference is often made to the skin-effect phenomenon, which is a fundamental property of induction heating. It can be clearly observed during billet heating (Fig. 1). Skin effect represents a nonuniform distribution of an alternating current within the workpiece cross section.
Core I = Isurface
I = 0.368 Isurface b
1000 Temperature, ˚C
Surface
800 600 400
CD
200
Internal area 10
Distance from workpiece surface
Fig. 2. Current density distribution versus distance from surface of the workpiece due to the skin effect.
Surface
CD
Internal area Surface
0
0
with current penetration depth emphasizes the importance of having a clear understanding regarding skin-effect appearance during induction heating. Many times, engineers calculate the distribution of the current density along the workpiece thickness (radius) using Bessel functions or numerous charts that are readily available to determine values of b versus temperature when heating different materials using various frequencies. Unfortunately, many people are not aware that the widely used assumption regarding current and power distribution due to a skin effect is not valid for a great majority of induction surface-hardening applications. Computer modeling helps to unveil this common misassumption.
assumed to be exponentially decreasing from the surface into the workpiece. Figure 2 illustrates the skin effect, showing the commonly accepted understanding regarding current-density distribution being reduced from the workpiece surface toward the core. At a distance equal to one penetration depth (b) from the surface, the current magnitude will retain approximately 37% of its surface value. However, the power density retains only about 14% of its surface value because power relates to a current as I2R. From this, one can conclude that about 63% of the current and 86% of the induced power in the workpiece will be concentrated within a surface layer of thickness b. The fact that practically all induced power (heat source) is concentrated
Power density (heat source)
A
c ccording to the skin-effect phenomenon in induction p heating, eddy currents inh duced within the workpiece d will primarily flow in the surface layer (the “skin”), where a majority of all induced power will be concentrated. This layer is called the reference depth or current penetration depth, b. The value of penetration depth varies with the square root of electrical resistivity and inversely with the square root of frequency and relative magnetic permeability.[1] In a great majority of publications devoted to induction heating and induction heat treating, distributions of current density and power density (heat source) along the workpiece thickness/radius are
12
14 16 Radius, mm
18
10
12
14 16 Radius, mm
18
Fig. 3. Solid lines represent radial distribution of temperature (left) and power density (right) when induction surface hardening carbon-steel shafts using 10 kHz. Required case depth is 2 mm. The dashed black line in the graph at right is the commonly assumed exponential power-density distribution.[1,2] IndustrialHeating.com - October 2011 59
FEATURE | Induction Heat Treating
It is imperative to remember that the widely accepted assumption of exponential distribution of induced current and power is only appropriate for a solid body (workpiece) having electrical resistivity and magnetic permeability constant. Therefore, realistically speaking, this assumption can be made for only some unique cases of induction heating and heat treating, such as induction heating of non-magnetic materials to relatively low temperatures (i.e. preheating prior curing or bonding) or heating materials that exhibit insignificant changes in their electrical resistivity during the heat cycle. For the great majority of induction surface-hardening applications, the power density (heat source) distribution is not uniform, and there are always thermal gradients within the heated workpiece. These thermal gradients result in nonuniform distributions of electrical resistivity and, in particular, magnetic permeability within the heated workpiece. Presence of these nonlinearities leads to the fact that the common definition of current penetration depth does not “fit” its principle assumption. Induction Hardening Specifics and Magnetic-Wave Phenomenon The aim of surface hardening of steels and cast irons is to provide a martensitic layer on specific areas of the workpiece to increase the hardness, strength, and fatigue and wear resistance while allowing the remainder of the part to be unaffected by the process. If the frequency has been chosen correctly, the thickness of the nonmagnetic surface layer – the layer that is heated to above the Curie temperature for austenization – is somewhat less than the current penetration depth in hot steel. The desirable frequency is often chosen in such a way that it produces a current penetration depth that will be 1.2-2 times the required case depth. In induction surface hardening, the power-density distribution along the radius/thickness has a unique “wave” shape [1,2] that differs significantly from the commonly assumed exponential distribution. 60 October 2011 - IndustrialHeating.com
Here, the power density has its maximum value at the surface and decreases toward the core. But then, at a certain distance from the surface, the power density suddenly starts increasing again, reaching a maximum value before it starts final decline (Fig. 3, right). Originally, a hypothesis regarding a “magnetic-wave” phenomenon was independently introduced by Simpson[3] and Losinskii.[4] They intuitively felt that there should be situations where the power-density (heat-source) distribution would differ from that of the traditionally accepted exponential form. Both scientists provided a qualitative description of this phenomenon based on their intuition and understanding of the physics of the process. At the time, a quantitative evaluation of this phenomenon could not be developed due to a limitation in computer-modeling capabilities and the lack of software that could simulate the tightly coupled electrothermal phenomena of induction hardening. Of course, it also was not possible to measure during heating the power/current density distribution inside the solid workpiece without disturbing an eddy-current flow. To the best of my knowledge, the first publication that provides a quantitative assessment of a magnetic-wave phenomenon was published in reference 2 with further research provided in references 1 and 5. Modern tightly coupled electromagnet-
Fig. 4. Selective areas of cup-shaped components required induction hardening.
ic-thermal numerical software enables a quantitative estimation of the magneticwave phenomenon based on its ability to properly simulate interrelated electromagnetic and thermal phenomena. An example is given in Figure 3, which shows the temperature profile (left) and powerdensity distribution (right) along the radius of a 36-mm (1.42-inch) diameter medium-carbon steel shaft at the final stage of heating (just before quenching would be applied) using a frequency of 10 kHz. For comparison, the dotted curve represents the commonly assumed exponential curve for power-density distribution, and the solid curve shows an actual magneticwave distribution obtained as a result of numerical computer modeling. The main cause of magnetic wave relates to the phenomenon in induction
Fig. 5. FEA mesh (left) and computer-simulated magnetic-field distribution at the final stage of heating (right) using two two-turn inductors and “U”-shaped magnetic-flux concentrators when selective hardening of end regions of cup-shaped component. Due to the symmetry of the component, only the right half was modeled (courtesy of Inductoheat Inc.).
Heat time = 1.2 sec. 25kHz
Heat time = 2.23 sec. 25kHz
Heat time = 8 sec. 25kHz
Fig. 6. Computer simulation of the sequential dynamics of the induction hardening of selected areas of cup-shaped components using two two-turn inductors and “U”-shaped magnetic-flux concentrators. Due to the symmetry of component, only the right half was modeled using FEA (courtesy of Inductoheat Inc.).
surface hardening that carbon steel retains its magnetic properties in the subsurface region, and the surface region is nonmagnetic being heated above AC2 critical temperature for austenitization. Note that this phenomenon can sometimes create the maximum heat source value below the surface of the workpiece and not at its surface. Further discussion regarding this phenomenon can be found in references 1, 2 and 5. Taking into consideration the wavelike distribution of power density is important when choosing the induction frequency necessary to provide the required hardness depth. In induction surface hardening, therefore, the selection of optimal frequency is not as obvious a task as it might appear using “rules of thumb” or as it was presented in a great majority of publications devoted to induction heating, based on the commonly accepted assumption of the heat-source distribution. It is important to be aware that the magnetic-wave phenomenon of powerdensity distribution does not only appear along the radius/thickness of the workpiece. It also occurs when studying powerdensity distribution in axial direction as it occurs in through-hardening of selected areas of the component. Causes for its appearance remain the same. Numerical computer modeling using appropriate software helps to reveal this appearance.
Case Study Induction hardening comprises three groups of applications: surface hardening,
through hardening and selective hardening. The goal of induction surface hardening is to provide a martensitic layer on sur-
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[email protected] See Us at Booth #2212
BOOTH DESCRIPTIONS Lindberg/MPH 2111 See our ad on page 40 Lindberg/MPH (a division of SPX Corporation) is a continuing leader in the production of standard and custom industrial heat-treat furnaces, including pit, box, IQ, vacuum and belttype for the ferrous and nonferrous markets. Our customers cover a wide range of industries, including aerospace/military, energy/oil, electronics and forging. www.lindbergmph.com LumaSense Technologies, Inc.
2318
Luoyang Achemetal Co., Ltd.
2041
Marathon Monitors Inc., a member of UPC 1623 McDanel Advanced Ceramic Technologies 2114 McDanel Advanced Ceramic Technologies is a leading manufacturer of high-quality advanced ceramic tubes, sheaths and components. We have extensive capabilities for producing custom components. www.mcdanelceramics.com
100 October 2011 - IndustrialHeating.com
Metal Treating Institute 2416 The Metal Treating Institute (MTI) is a nonprofit trade association that was established in 1933. MTI represents the largest network of commercial heat treaters in the world. MTI also represents manufacturers with in-house heattreating operations and suppliers who serve both commercial and captive heat treaters. www.heattreat.net
Morgan AM&T 2013 Morgan AM&T develops, manufactures and markets technologically innovative carbon, graphite and silicon carbide products that enhance our customers’ products and processes. Our products include premium-quality insulations, heating elements and fixturing for high-temperature furnaces. www.morganamt.com
Metallurgical High Vacuum Corp. 2315 See our ad on page 64 Metallurgical High Vacuum Corp. will display 300 cfm and 430 cfm rotary piston pumps at the show. Features include positive pressure lubrication and oil filtration. These pumps are direct bolt-in replacements for a popular 300 cfm pump that is widely used in the heat treating industry. These pumps are manufactured in the United States. www.methiva+c.com
Morgan Thermal Ceramics
MetalTest Inc.
2231
Nabertherm, Inc. 2015 Nabertherm supplies furnaces globally with all manufacturing completed at our facilities in Germany. Our extensive product range supports laboratory, research and production projects for many diverse markets. We integrate excellent build quality with professional logistics and reasonable pricing. www.nabertherm.com
2140
Micropyretics Heaters International
2227
Mitutoyo American Corporation
1915
Newage, an Ametek Land Company 2024 Hardness testers for Rockwell, Brinell, Microhardness, Vickers, Knoop, Durometers and IRHD. www.hardnesstesters.com
BOOTH DESCRIPTIONS Nitrex Metal Inc. 1623 See our ad on page 38 Nitrex Metal is a leading developer and supplier of automated turnkey nitriding and nitrocarburizing systems to customers involved with the aerospace, automotive, machinery, gear manufacturing, tool and die, and commercial heat-treating industries. www.nitrex.com
Power Distribution, Inc. 1825 PDI is a specialized manufacturer of custom transformers and control systems for OEM applications in the heat-treat industry. With three
U.S. facilities and a manufacturing partner in China, PDI is poised to serve your international needs with a team of experts. www.pdicorp.com
North American Cronite Inc. 2029 See our ad on page 65 North American Cronite, Inc., a division of AFE Technologies, is a manufacturer and designer of cast and fabricated heat-resistant alloy furnace parts. The company specializes in handling fixtures, cast base trays and baskets, radiant tubes, rolls and corrugated boxes. www.afegroup.com Oerlikon Leybold Vacuum 2142 See our ad on page 21 Visit with Oerlikon Leybold Vacuum to gain the latest information on vacuum pump systems used in heat-treatment, sintering, brazing, vacuum induction melting and re-melting applications. www.oerlikon.com/leyboldvacuum OmegaVac Vacuum Products 2229 OmegaVac Vacuum Products offers vacuum pumps and vacuum boosters, assembled and tested in the U.S. Additionally, we offer Televac vacuum gauges and replacement hot zones for your furnace regardless of manufacturer. We also rebuild vacuum pumps and boosters for one-stop shopping. www.omegavacinc.com Park Thermal International Corp. 1841 Park Thermal International is a leading North American supplier of thermal-processing technology with a proven track record of designing, manufacturing and installing industrial heattreating furnaces, ovens and thermal-processing equipment since 1938. www.parkthermal.com PLANSEE USA 1717 PLANSEE’S exclusive high-performance HYBRID hot zone design is gaining market share in the world of graphite hot zones. With an everincreasing need for a longer-lasting (2x-3x its full-graphite predecessor) hot zone that is energy efficient and has a superior quench time, the PLANSEE HYBRID is becoming more and more the preferred alternative to the standard graphite design. The PLANSEE HYBRID provides a high emissivity and great insulation properties for energy efficiency. www.plansee-usa.com
Tweet about the show using the hashtag #HTS2011. See p. 16 for details. See Us at Booth #1807 IndustrialHeating.com - October 2011 101
BOOTH DESCRIPTIONS Praxair, Inc. 1800 Praxair is third largest global supplier of industrial gases and process technology. Praxair has a core competency in gases and technical support for atmosphere applications including annealing, brazing, carburizing, neutral hardening and tempering. www.praxair.com
variety of materials for construction options and design specifications. Our experience in design and fabrication of quality valves has gained worldwide customer acceptance. www.pdcvalve.com
Precision Alloy Services
Protection Controls, Inc. 2035 See our ads on pages 40 & 110 Protection Controls Inc. offers a comprehensive service manual covering all PROTECTOFIER combustion safeguard units. It provides important and valuable information on installation, service guides, testing and troubleshooting, as well as specifications, features and applications on Protection Controls’ single and multi-burner units. www.protectioncontrolsinc.com
2210
Procedyne 2245 See our ad on page 114 For more than 45 years, Procedyne has been a leading supplier of specialized thermalprocessing products, systems and engineering/ technical services to heavy industries located throughout the world. These offerings include fluidized bed reactors, fluidized bed furnaces and fluid bed dryers. www.procedyne.com Process Development & Control, Inc. 2219 Process Development & Control is a leading manufacturer of industrial butterfly valves for HVAC, furnace, power, blower and exhaust airtransfer systems in addition to special service applications. PDC offers customers a wide
Process-Electronic, a member of UPC 1623
Proton OnSite 2115 See our ad on page 98 Proton OnSite is a global leader in hydrogen energy and innovative gas solutions. Since 1996, we have been developing and applying hydrogen technology in creative and practical ways that best meets the diverse requirements of our customers. www.protononsite.com
Qual Fab, Inc. 2136 See our ad on page 92 Qual-Fab, Inc. specializes in all types of stainless fabrications for the heat treat industry including radiant tubes of all styles and sizes, both cast and fabricated, stainless and high nickel alloys. The company also produces furnace muffles, rolls, serpentine trays, corrugated baskets, muffles, retorts, fans and furnace fixtures. QualFab’s experience guarantees quality products at competitive prices. www.qual-fab.net Quality Solutions
2103
Raytek Corporation 2122 See our ad on page 36 Raytek will feature the new MI3 1M and 2M hightemp, miniature infrared sensors with extended temperature ranges up to 3632°F. Come see what’s new in fixed thermal imaging. www.raytek.com Rhenium Alloys Inc.
2112
Rohde GmbH 1817 Rohde manufactures heat-treatment equipment
Sharpen your heat treating skills. ASM instructors are industry experts with years of practical industry and teaching experience. Choose from top-rated classroom and laboratory courses. • Increase your knowledge and performance • Keep up with all the latest technical advances • Improve productivity Keep learning…for yourself and for the future. Visit www.asminternational.org/education for course locations and pricing Or call Member Service Center at 1.800.336.5152, ext. 0
102 October 2011 - IndustrialHeating.com
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November 10-11, 2011
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BOOTH DESCRIPTIONS and salt-recovery units for the recovery of quench salts from washing-water to obtain saltfree water and clean reusable quench salt in liquid or solid form. www.rohdetherm.de Rolled Alloys 1727 See our ad on page 12 Since 1953, Rolled Alloys has been providing specialty alloys to the thermal-processing industry. Offering proprietary alloy RA330 and a diverse mix of heat-resistant alloys that provide both excellent strength and oxidation resistance for equipment that operates in the 10002250°F range. www.rolledalloys.com SAET Group - EDMS 2012 EDMS created in 1996 and specialized in press quenching and induction heat treat solutions is the North American branch of the SAET Group. Based in Tennessee, we design, manufacture and service induction heating solutions for the automotive, construction machinery, metalworking and aerospace industries. www.saetgroup.com Sandvik Heating Technology USA
2118
Schunk Graphite Technology 1940 See our ad on page 31 Schunk Graphite Technology is part of the Schunk Group, which is a world leader in C/C and graphite products used in the high-temperature furnace industry. We supply custom furnace fixtures and hot-zone components to customers across North America. www.schunkgraphite.com SECO/WARWICK 1804 See our ad on page 25 SECO/WARWICK provides industrial metal heat-treatment furnaces used in a variety of processes for material finishing and component manufacturing applications. We supply furnaces to customers involved with steel and aluminum production, aluminum recycling, forging, automotive, aerospace, commercial heat treating, HVAC/R, electronics, wind energy, medical equipment and nuclear industries. www.secowarwick.com Signature Vacuum Systems, Inc. 2010 Signature Vacuum Systems designs and manufactures a broad range of standard and custom vacuum furnaces and ovens. www.signaturevacuum.com
Snecma Propulsion Solide
2319
Solar Manufacturing 2305 See our ad on page 13 Solar Manufacturing’s customers have come to depend on us to match the right furnace to their needs. Heat treaters from a variety of industries worldwide trust in our experience for their vacuum heat treating, brazing, carburizing, nitriding and sintering furnaces. Our vacuum furnaces provide maximum value through rugged, energy-efficient hot zone designs, advanced furnace controls and innovative gas-quench systems achieving the highest performance results. www.solarmfg.com Stand Energy Corporation 1814 Stand Energy provides natural gas and expert energy-management services to commercial, industrial and government facilities. www.standenergy.com Struers, Inc. 2113 Struers Inc., a recognized leader and innovator in the materialographic community, supplies equipment and consumables for materialographic specimen preparation, as well as an extensive line of hardness testers and microscopes, to provide customers with a full range of comprehensive lab solutions. www.struers.com
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IndustrialHeating.com - October 2011 103
BOOTH DESCRIPTIONS Super Systems, Inc. 1801 See our ad on page 51 Super Systems, Inc. (SSi) develops and manufactures analyzers, sensors, controls and data-acquisition products for the heat-treating industry. You can always count on SSi’s innovative technology to address your specific heattreating requirements. Looking to retrofit your existing furnace cost-effectively with current technology? See how SSi instruments control the most sophisticated processes in nitriding, ferritic nitrocarburizing, carburizing and vacuum heat treating. www.supersystems.com Surface Combustion Inc. 1605 See our ad on pages 6-7 Surface Combustion will present its diverse product offering used in thermal processing of ferrous and nonferrous materials. These range from the most basic designs to high-tech automated furnace lines. New and updated designs include our flameless Allcase® furnace, pit carburizing system, nitriding furnace, and controls for Triniding™ and ferritic nitrocarburizing (FNC) furnaces will be featured. www.surfacecombustion.com
Suzhou Advanced Rare Metal Co., Ltd. 2204 Tech Induction 1835 Tech Induction is a leader in engineering induction tooling. We also refurbish/build machinery and rebuild transformers. www.techinduction.com Televac
1906
Tenaxol Technologies 2211 See our ad on page 89 Dow Chemical UCON® quenchants are sold and serviced exclusively by Tenaxol Technologies in North America. We also market worldwide to commercial and captive heat treaters. www.tenaxol.com Tenova Core 2117 See our ad on page 76 Tenova Core designs and supplies heattreating, reheating and specialty furnaces. Representatives will be available to discuss our high-quality heat-treating furnaces for plate, pipe, wire, strip steel, forging and specialty applications. Designs include a wide range
of batch and continuous furnaces as well as complete heat-treating lines. www.tenovacore.com
Thermal Care, Inc. 2017 Thermal Care is a leading manufacturer of process-cooling equipment and systems for applications worldwide. As an ISO 9001:2008-certified manufacturer, we provide heat-transfer equipment for over 50 industries and specialize in meeting the specific needs of our customers by offering both standard and custom-designed process-cooling solutions. www.thermalcare.com Thermo Transfer Inc. 1831 See our ad on page 44 Thermo Transfer personnel will be on hand to discuss recently introduced circular integralquench furnace design, as well as recently completed projects in the areas of mesh-belt brazing, atmosphere tempering, roller hearths and atmosphere generators. TTI’s capabilities include rebuild and repair projects for all types of heat-processing equipment. www.thermotransferinc.com
Long Lasting
Won’t Rust or Corrode Avoid Down Tme Save on Maintenance
15-Year Shell Warranty
Not Harmed by H2O Chemical Treatments
The Greatest Thing Since a Delta Cooling Tower. Delta Cooling Towers designed the first engineered plastic (polyethylene) cooling tower in 1971. Since then we’ve improved and expanded “The Most Durable Corrosion-Proof Cooling Towers Available” to a full line, factory assembled and ready for any application. Visit us at www.deltacooling.com, or call 1.800.289.3358.
104 October 2011 - IndustrialHeating.com
QuantumQuench QuantumQuench
Variable Speed Directional Quench There are no moving parts within the vacuum chamber
For more information contact G-M Enterprises 525 Klug Circle, Corona, California 92880 Phone 951-340-GMGM (4646) • Fax: 951-340-9090 See Us at Booth #1711
BOOTH DESCRIPTIONS Thermo-Calc Software, Inc. 2107 Thermo-Calc is a powerful, flexible, easy-to-use software package for thermodynamic calculations for multi-component systems. DICTRA is a unique tool for accurate simulations of diffusion in multi-component alloys. www.thermocalc.com Throughput/Bluestreak 1926 Bluestreak MES, a powerful Manufacturing Execution System, is a best-of-breed solution designed exclusively for the metals-treating services industry. Manage critical, real-time information across all of your service processes while enjoying total visibility into operations and performance. www.go-bluestreak.com Toyo Tanso USA 2038 Toyo Tanso manufactures isostatically molded carbon and graphite products. We offer a wide range of graphite grades and properties in sizes to accommodate your heat-treating needs. We offer machined graphite and C/C composite products for the vacuum furnace industry. www.ttu.com
Tucker Induction Systems 2128 For 35 years, Tucker Induction has been providing world-class quality, service and support. We have over 200 years of combined experience in the manufacture of all types of induction tooling. www.tuckerinductionsystems.com United Process Controls 1623 See our ad on page 97 United Process Controls is an alliance of four companies, all with a strong presence in heat treating and combustion, whose aim is to provide prime control solutions through their worldwide sales and services network with easy-to-access local support. United Process Controls includes Furnace Control Corp., Marathon Monitors, Process-Electronic and Waukee Engineering. www.group-upc.com VAC AERO International, Inc. 1818 See our ad on page 11 A pioneer vacuum heat treater since 1959, VAC AERO offers a wide range of vacuum furnace systems and controls to fit the stringent requirements of diverse applications in the aerospace, power-generation, medical, nuclear, tool & die, research and other high-tech industries worldwide. www.vacaero.com
Vulcan Steel Products
2104
Waukee Engineering Co., Inc., member of UPC
1623
Wellman Furnaces Inc. 1917 See our ad on page 62 For over 25 years, Wellman Furnaces has supplied radiant coil furnace systems for use in the polysilicon manufacturing process for making computer chips and solar panels. These systems are used to heat process streams of both silicon tetrachloride (SiCl4) and hydrogen. Systems with total outputs as high as 3 MW have been supplied. www.wellmanfurnaces.com Williams Industrial Service 1931 Williams Industrial Service features our line of custom and standard heat-processing equipment. Our products include internal-quench furnaces, spray dunk washers, draw furnaces and charge cars. www.wisfurnaces.com
Tweet about the show using the hashtag #HTS2011. See p. 16 for details.
The Retained Austenite Solution and More. Quench to freeze and back to temper with one profile. Eliminate multiple handling operations and increase product throughput.
For over 15 years we have provided our customers maximum process flexibility and dependability with our complete line of combination furnace/ freezers with temperature ranges between +1200°F and –300°F. Full in house engineering and flexible manufacturing capabilities permit custom integration with existing lines.
www.CryoSystems.com See Us at Booth #2414 106 October 2011 - IndustrialHeating.com
See Us at Booth #2100
915.351.8500
THE
SCIENCE
> Manufacturing vacuum furnaces and ovens in our New Jersey facility since 1965 > Unsurpassed temperature uniformity, precision control and data logging > Easier AMS2750D and NADCAP conformance > Offering a range of sizes and options to fit your budget
T-M Vacuum Products, Inc.
1-856-829-2000
www.tmvacuum.com
OF VACUUM
[email protected] IH11084TM.indd 1
Cinnaminson, NJ USA 10/20/08 1:24:04 PM
GET CONNECTED www.industrialheating.com/connect
Now it's easier than ever to stay connected to the best source of news and technology in the industry! See Us at Booth #2326 IndustrialHeating.com - October 2011 107
Professional Support Services to Industry
BOOTH DESCRIPTIONS Wirco, Inc. 1935 See our ads on pages 45 & Inside Back Cover Wirco Inc. is the industry leader in the design and production of heat-resistant castings and fabrications. For over 65 years, we have been providing quality stainless steel baskets, cast trays, furnace parts, mesh products, radiant tubes and custom fixtures to our customers. www.wirco.com
Increase productivity, lower energy and operating costs, improve worker output and satisfaction, and increase company profitability. Let our staff put their practical, engineering, and scientific experience to work for you!
Education/Training
Consulting • HT/Met
Process Analysis
Problem Solving
Furnace Diagnostics
Marketing Studies
WS Thermal Processes Technology, Inc. 2110 See our ad on page 48 WS will feature its high-efficiency self-recuperative burners and REKUMAT C ceramic radiant tubes for temperatures up to 2300°F with tube life up to 10 years. WS offers solutions for new equipment as well as furnace upgrades with proven technology that will reduce fuel consumption up to 50% while increasing available heat. www.flox.com Yokogawa Corporation of America 1705 Yokogawa is a world leader in industrial automation and control. Our expertise and focus on the customer have made us a trusted partner since 1915. Yokogawa will display their solutions for the heat-treat industry and show their new controller line – The UTAdvanced. www.yokogawa.com/us Zircar Refractory Composites, Inc. 2304 We manufacture high-performance, high-temperature structural insulation products including refractory sheet boards, cylinders and custom shapes for thermal, structural and electrical insulation applications. www.zrci.com
THE HERRING GROUP, Inc. Home of The Heat Treat Doctor® Phone: 630-834-3017 Email:
[email protected] • Web: www.heat-treat-doctor.com
PLATINUM GOES GREEN Save GREEN and go GREEN with the Furnace Parts LLC Platinum Thermocouple recycling program. When you purchase new Types S, R and B Platinum Thermocouples, we’ll recycle your used Platinum Thermocouples. The program reduces your total cost and saves the environment. And with our quick delivery, we’ll save you time too! Standard lead times are just 3-5 days, preventing the need for you to hold onto costly inventory. Contact a Furnace Parts LLC customer service specialist for more details. Call 800-321-0796 or visit www.furnacepartsllc.com.
See Us at Booth #2218
108 October 2011 - IndustrialHeating.com
The Pressure’s On. Raise the bar in Cincy. October 31-November 2, 2011 Duke Energy Convention Center • Cincinnati, Ohio USA
Gear Up for Success and join innovators, influencers and decision makers in the heat treating industry from around the world for the 26th ASM Heat Treating Society Conference and Exposition – Heat Treat 2011. Be sure to plan to attend and support this global event. Visit www.asminternational.org/heattreat for the latest conference and exposition information. Sponsored by:
Media Sponsor:
Media Partner and Reception Sponsor:
Literature/Website Showcase Thermocouples & Atmosphere Analyzers Thermocouples/Temperature Sensors Furnace Parts LLC For 35 years, Furnace Parts LLC has excelled in the field of temperature measurement. Our corporate-capabilities brochure highlights our expertise in noble and base metal, MgO and RTD assemblies. For more information, contact us at 216-676-5005. www.furnacepartsllc.com
Thermocouple Product Line GeoCorp, Inc. GeoCorp’s new brochure provides information on its extensive temperature control product lines including thermocouples, thermocouple wire (survey, extension and bare wire), protection tubes and a wide selection of pyrometry supplies, recording chart paper and marking products, hardness testing supplies, heat treating accessories, chart recorders, instrumentation and controls. www.geocorpinc.com.
Thermocouple Handbook
See Us at Booth #2035
ATTENTION
Nanmac Corporation A new, user-friendly, free resource for temperature measurement is available on CD from Nanmac Corporation. Including a complete photo index, application guide, interactive resource center featuring scientific calculators, technical papers and more. Request your free copy at www.nanmac.com/ free, send a note to
[email protected] or call 1-800-786-4669 in the U.S. or 001-508-8724811 worldwide.
Data Logger
Are Your Furnace’s Alloy Tubes suffering from any of the following symptoms? Carburation (Embrittlement) Creep/Distortion Oxidation Thermal Shock Melt-Through Weld Failure
Immunize Your Furnace with INEX Composite Radiant Tubes. Improve Performance and Increase Tube Life address 9229 Olean Road, Holland, NY 14080 email ).%8 ).%8INCNETsweb www.inexinc.net phone 716.537.2270
See Us at Booth #2206
110 October 2011 - IndustrialHeating.com
Super Systems, Inc. Developed for harsh environments, the SDS 8020/SDS 8040 data logger is the latest in hardware and software technology for portable data acquisition. With operatorfriendly interface and software utilities, a reporting platform compliant with many industry specifications, including AMS 2750D, is provided. Call 513-772-0060 to arrange a demonstration. www.supersystems.com
Process Controller United Process Controls The PROTHERM 455 next-generation controller combines control and graphical recording capabilities with touch-screen technology. It is designed as a drop-in replacement for Marathon's CarbPro, DualPro, MultiPro and Carb PC. Easy-to-use interface introduces enhanced features that simplify operations in the field. Redundant probe feature is standard. www.group-upc.com
Literature/Website Showcase Industrial Gases/Atmospheres | Burners & Combustion Equipment Solutions for Metals Treatment Air Products and Chemicals, Inc. Air Products’ atmosphere supply, processes and technologies, and services can help you optimize your metal-manufacturing operation. Learn how we can help you maximize uptime, lower costs, increase throughput and improve quality control. Call 800-654-4567, code 716. www.airproducts.com/metals
Process Heating Equipment Eclipse Comprehensive brochure presents the entire line of process heating equipment and systems from the Eclipse family of brands. Our global powerhouse of industry-leading products includes combustion burners, packaged burners, integrated combustion systems, shut-off valves, valve trains, flame monitoring, recuperators and standby fuel systems. www.eclipsenet.com
Pulse Firing Hauck Manufacturing Company Pulse firing is a specialized type of combustion system control that offers significant process and productivity benefits. The brochure features Hauck burners and Kromschröder controls suitable for the high cycle demands of pulse firing. www.hauckburner.com
Temperature Measurement Handbook Omega Engineering Volume MMXIV Omega Temperature Measurement Handbook 7th Edition offers detailed information and specifications on more than 40,000 products for process measurement and control featured on over 2,000 color pages. The New 7th Edition contains the latest technology and new products in sanitary temperature sensors and devices, thermal imagers and infrared temperature products, and much more. www.omega.com/literature
Burners and Radiant Tubes WS Thermal Process Technology, Inc. Specializes in industrial burners with integrated heat exchangers (recuperative or regenerative) and radiant tubes. Burners and radiant tubes are available in alloy material and SiC-ceramic. Great efforts are made to provide the highest efficiency and lowest NOx emissions currently available on the market. www.flox.com
GRAPHALLOY BEARINGS CAN TAKE THE HEAT. ®
HANDLE HIGH TEMPERATURE AND HARSH OPERATING CONDITIONS WITH EASE GRAPHALLOY® bushings, bearings and components: • Survive when others fail • Run hot, cold, wet or dry • Excel at -450°F to 1000°F • Corrosion resistant • Self-lubricating • Non-galling • Low maintenance • Ovens, dryers, pumps, valves, turbines, mixers, conveyors
GRAPHITE METALLIZING CORPORATION Yonkers, NY 10703 U.S.A. ISO 9001:2000 H06
TEL. 914.968.8400 • WWW.GRAPHALLOY.COM/IH
See Us at Booth #1925 IndustrialHeating.com - October 2011 111 IH02072Gra.indd 1
1/17/07 4:57:19 PM
Engineered Solutions for Induction Heating Heat Treating • Scanning and single shot • Part development services
Forging
INDUCTION HEATING
• Billet and bar end heating
Steel • Quench and temper lines for bar, pipe, and tube • Strip heating • Coating and curing • Bar and slab heating for rolling
Ajax TOCCO Magnethermic® Corporation 1745 Overland Ave Warren, OH U.S.A. 44483 Tel: +1-330-372-8511 ®
THE GLOBAL FORCE IN INDUCTION TECHNOLOGY
Fax: +1-330-372-8608
www.ajaxtocco.com Call 1-800-547-1527 24/7 for assistance See Us at Booth #1901
Products
Ask the Expert Ask the Expert Anna Wehr-Aukland Ph.D., Senior Principle Research Engineer
Product of the Month Process Imaging Solution Raytek Raytek announced an enhanced version of its ThermoView™ Pi20 process imager with DataTemp® Pi (DTPi) software. This rugged, yet easy-to-operate thermal imaging solution includes two additional cameras, a new enclosure and C++ software development kit (SDK), allowing for use in a wide range of industrial environments. Designed for automated monitoring and control of continuous or stationary targets, the ThermoView Pi20 fixed-mounted process imager provides an automated view of your process, allowing plant operators to shorten process start-up times and lower production line changeover costs. The camera is paired with the intuitive DTPi software, which minimizes or eliminates the long learning curve associated with manyy process imaging The ThermoView p g g systems. y Pi20 is now even more robust and versatile satile with the addition of two 45-degree remote focus cameras and a new “outdoor” ennclosure. This solution is ideal for appliications ranging from furnace refracctory monitoring to semiconductor/solar ar manufacturing. Customized solutions ns are also available for engine testing, steel el coating, metal forming, materials testing, g, solar module testing and automotive ve fabrication. www.raytek.com
Cables Omega Engineering The new E32 series of shock and vibration resistant cables for fiber-optic sensors are CE-compliant and can withstand temperatures up to 660°F. Since the fiber optic cables only transfer light, they are unaffected by electrical noise. The E32 comes in throughbeam or reflective sensing style to adapt to design requirements, are cut-to-length for custom field installations and feature side-view sensing heads for right angle detection. The E32, ideal for the automotive industry, senses the presence of parts in assembly lines. Spot diameter lenses are available. www.omega.com
Blast Machine Guyson Corp. The Model GWB-702T – a rotary table wheel-blast system with one blast wheel over each half of a 4,000-pound-capacity, 70-inch-diameter turntable – is especially suitable for batch processing of work pieces that are essentially flat or have limited vertical surfaces. Each blast wheel is directly driven at a speed of 3,000 RPM by a 10-HP motor and is capable of throwing approximately 220 pounds of metallic media per minute in an extended blast pattern up to 36 inches long. The blast pattern of the individual blast wheels is adjustable, so the twin wheels are aimed to provide rapid and thorough coverage of components on the entire surface of the turntable. GWB702T wheel-blast machines come standardequipped with an enhanced shot reclamation system that includes a tunable cascade airwash separator to remove dust from the working media mix as well as an independently adjustable cyclone separator to capture and reuse good shot or grit that would otherwise be carried over to the dust collector. The sensitive multi-stage reclaim enables the use of microscopic shot media for nondestructive cleaning applications. www.guyson.com
Q
What’s the best approach to select the hydrogen concentration for our nitrogen-hydrogen atmosphere for bright annealing of steels?
A
You can use the Ellingham diagram to predict the conditions that will be reducing to iron oxides and the oxides of the alloying elements added to steels. Alternatively, you can use more accurate and convenient diagrams for steels that were calculated using modern databases and computer programs. These techniques will help you troubleshoot and optimize your annealing operation by balancing hydrogen usage versus product quality. To learn more about these methods, read Anna’s full answer at www.airproducts.com/J57 or give us a call at 800-654-4567 (press 1 and mention code 882). Don’t miss us at the Heat Treat Show November 1-2, in Cincinnati, Ohio. Visit booth 1823 to learn how our experience in gas supply, applications development and safety can help you improve product quality, reduce operating costs, increase production and optimize gas usage.
tell me more www.airproducts.com/J57 © Air Products and Chemicals, Inc., 2011 (33887) J57
See Us at Booth #1823 IndustrialHeating.com - October 2011 113
Products
Borescope Camera
High-Temperature Air Amplifier
Extech Instruments Designed for use in practically any environment, the durable HDV600 high-definition borescope camera series features a 5.7-inch color display for bright outdoor sites or poorly lit facilities. Optics include 4 mm-6 mm LEDilluminated camera probes, and SD memory stores 15,000 JPEGs or video – plus audio annotations. Glove-friendly controller handsets with 320-degree articulated probes and wireless connectivity simplify inspections. HDV600 videoscopes are designed for ruggedness, upgradeable versatility and high-definition clarity. www.extech.com
Exair Corp. The new High-Temperature Air Amplifier offers a simple, low-cost way to move volumes of hot air to surfaces requiring uniform heating while in a furnace or oven. The High-Temperature Air Amplifier amplifies airflow up to 18:1 at outlet. It is the most efficient for pushing high volumes of hot air to points that typically remain cool. This special design is rated for environments up to 700°F, and its surface is protected from heat stress by a mil-spec coating process, allowing easy disassembly for changing shims or cleaning. There are no impellers or moving parts to wear out, and the sound level is low (72 dBA). The High-Temperature Air Amplifier is perfect for corrosive applications. www.exair.com
Wearing Compound ITW Devcon New DFense Blok™ Quick Patch is the only ceramic bead-filled wear and abrasion epoxy formulated for emergency repairs to processing equipment, even in severe conditions. With a working time of 4 minutes and an exceptionally fast cure time (functional cure in just 30 minutes), DFense Blok Quick Patch is ideal for the emergency patching and repairing of holes, leaks and cracks. By protecting against wear, abrasion and corrosion, it extends the equipment’s service life and minimizes downtime. A non-sagging, alumina ceramic bead-filled epoxy compound, DFense Blok Quick Patch can be used at thicknesses up to 1 inch on vertical surfaces and ¾ inch on overhead surfaces. Available in a 1-pound container, it is ideal for repairing, rebuilding and protecting a variety of equipment. www.devcon.com
Professional Support Services to Industry A Fluidized Bed Furnace Leader
Presents
®
Increase productivity, lower energy and operating costs, improve worker output and satisfaction, and increase company profitability. Let our staff put their practical, engineering, and scientific experience to work for you!
Education/Training
Consulting • HT/Met
Process Analysis
Problem Solving
Furnace Diagnostics
Marketing Studies
The Procedyne NitroBlack Process A Breakthrough in Heat Treating Parts Improved Wear and Corrosion Performance
In addition, the NitroBlack® process produces parts which have attractive black matte surface Ànishes.
THE HERRING GROUP, Inc. 11 Industrial Drive, New Brunswick, NJ 08901 Tel: 732-249-8347 • Fax: 732-249-7220 www.procedyne.com • Email:
[email protected] See Us at Booth #2245
114 October 2011 - IndustrialHeating.com
Home of The Heat Treat Doctor® Phone: 630-834-3017 Email:
[email protected] • Web: www.heat-treat-doctor.com
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CLASSIFIED MARKETPLACE RATES
Fax Your Ad To: Becky McClelland at 248-502-1076
Furnace Fans Furnace Rolls Diffusers Retorts Repairs All Alloys Stainless Steel and High Nickel
Contact Gary Vanek Phone: (440) 327-5000 Fax: (440) 327-5599 Email:
[email protected] Induction O.E.M. for
ÜÜÜ°«>À°VÊÊUÊÊÃiÀÛViJ«>À°V
• • • • • • •
www.qual-fab.net Rates Per Column Inch 1x=$125; 3x=$115, 6x=$100 and 12x=$95. No additional charge for bold print Blind box numbers available = $15 per issue
HELP WANTED
“Nadcap and You… Achieving Excellence Together.” Build Your Career with a Global Industry Leader. Performance Review Institute is seeking Aerospace experienced consultant auditors for the Nadcap Heat Treating program. As a Nadcap auditor, you will perform heat treating audits, complete audit reports, and have the opportunity to train associate auditors. The ideal candidate will possess the following general background: • Bachelor’s Degree in a technical field • Understanding of General & Aerospace quality systems (ISO, AS/EN/JISQ9100) • Familiarity with General Consensus specifications and Aerospace Standards • Computer skills in word processing, spreadsheets, email and internet • Desire to travel • Multi-lingual a plus • Strong interpersonal skills
WONDER WELD INDUCTION Energy Efficient Preheaters You Can Spend 15 Hours Preheating or you can spend 15 Minutes 50 lbs. to 1500 lbs. Weld Preheating, Dies, Core Boxes, Patterns
GUARANTEED WORK FOR 33 YEARS Tel: 614-875-1447 Fax: 614-870-0236
WWW.WONDERWELD.COM
VACUUM FURNACE REBUILDS • • • •
Hot Zones Pumps Leak Detection Service
Vacuum Engineering Services Co. P.O. Box 694, East Windsor, CT 06088 Phone 860-627-7015 • Fax: 860-627-9964 Website: www.vacuumengineering.com
Industrial Heating
REPRINT PLAQUES ARE NOW AVAILABLE An excellent marketing opportunity
The following are specific criteria for Heat Treating: • Five (5) years “hands-on” experience (preferably in the aerospace industry) with the following processes: Aluminum Heat Treating, Titanium Heat Treating, Heat Resisting Treating, Heat Resisting Alloys, Brazing Alloys • Understanding of AMS2750 or Pyrometry specification As an innovative industry leader, we are proud to offer our auditors: • Flexible Schedules • Competitive Daily Rate • Paid Travel & Living Expenses • Paid Annual Training • No Need to Relocate See why Nadcap has been attracting & retaining some of the best professionals in the industry! Apply on-line today, via our application website, www.eAuditStaff.com. Determine your area of auditor expertise in one or more of these specific disciplines: Chemical Processing, Coatings, Composites, Conventional Machining, Elastomer Seals, Electronics, Fluid Distribution Systems, Heat Treating, Materials Testing, Non-Metallic Materials Testing and Manufacturing, Nondestructive Testing, Nonconventional Machining, Sealants, Surface Enhancement and Welding. For more information on PRI and the Nadcap program, visit our website, www.pri-network.org. Nadcap is administered by the Performance Review Institute, an equal opportunity employer, who values the diversity of our work force and the knowledge of our people.
118 October 2011 – IndustrialHeating.com
Contact Becky McClelland at 412-306-4355 for details
Classified Marketplace
http://twitter.com/IndHeat http://www.facebook.com/IndustrialHeating
Rates Per Column Inch
Fax Your Ad To: Becky McClelland at 248-502-1076
1x=$125; 3x=$115, 6x=$100 and 12x=$95. No additional charge for bold print Blind box numbers available = $15 per issue
Or Mail To: Industrial Heating Manor Oak One, 1910 Cochran Road, Suite 450, Pittsburgh, PA 15220 Or Call (412) 306-4355 • Email:
[email protected] BUSINESS OPPORTUNITIES
HELP WANTED
Sales Representation
Commercial Heat Treat Shop for Sale This established commercial heat treater is located in the Midatlantic U.S. This is a proÀtable heat treat shop offering a variety of different processes. For further details please contact Becky McClelland by email:
[email protected] or call 412-306-4355. A non disclosure agreement will be required. For $25.00 We Will Post and Link Your Ad Online Visit industrial heating online at www.industrialheating.com
Forge company specializing in shallow cavity closed die forging of carbon and stainless steels seeking sales representation throughout the US.
Send agency profile and line card to: Box 725 c/o Industrial Heating Magazine 1910 Cochran Road, Suite 450 Pittsburgh, PA 15220 or reply by email to:
[email protected] FOR SALE HELP WANTED
Sales and Marketing Manager Pelican Wire Company, a growing manufacture of specialty wire and cable products, is seeking a full time marketing and sales manager. Located in Naples, Florida the company supplies numerous wire products into the electrical heating and temperature measurement industries. Pelican Wire offers a competitive package of benefits including health, life, vision, dental, long term disability, paid-time-off (vacation, holidays, and sick leave), professional development, and education assistance. In addition, Pelican Wire is a 100% employee owned allowing all employees to share in the long term financial success of the business.
Job Description: Seeking a full time marketing and sales manager that will be responsible for leading our sales staff and marketing efforts, with some direct account responsibility. Responsibilities will include the acquisition and management of new accounts and opportunities, the generation of estimates and proposals, and contract development. Position responsibilities will also include the management of various budget accounts, development of and tracking against forecast goals, and other administrative functions. This position will be responsible for the development of the skills and knowledge of the sales staff, and directing the marketing efforts of the company. Some national travel is required. The ideal candidate will have 10+ years in business to business technical sales, and 5+ years leading a sales team, preferably at a growing company. Experience in the wire and cable field is preferred, as is experience in electrical heating, temperature measurement, plastics, or medical device manufacturing. BSEE, BSCE, BSME, or BSBA preferred. Strong technical background and demonstrated ability to learn new technical data is a must. Candidate must be able to read and understand specifications and technical drawings, be fluent in the use of Excel and CRM tools, and familiar with cost modeling techniques.
Please send your resume in confidence to
[email protected] FOR SALE Surface Combustion 3 Chamber Furnace 48 x 36 x 24" Nitrogen and Oil Quench New Moly Hearth 412-781-3553
[email protected] PROCESS HEAT
The Next Generation
LHS Air Heater
Built-in thermocouple with digital temperature readout
Upgrade your LE to a Next Generation LHS air heater today www.leisterusa.com Toll-free: (855) Leister
[email protected] IndustrialHeating.com – October 2011 119
Classified Marketplace
Check out the latest Used Equipment Listings on Facebook and Twitter – #IHUsedEquip
FOR SALE
FOR SALE
Brazing Furnace For Sale Seco Warwick 18"W x 9"H x 10'L x 30'L, 2150-F, 175 kW, Includes New Alloy Muffle
FOR SALE Park Thermal Electric Re-Circulating Furnace 120 KW, 52" W x 50" H x 9' long, 1400ÝF. Complete with Digital Controls. Mint Condition.
Park Thermal Mesh Belt Tempering Furnace Furnaces, Ovens & Baths, Inc. 4790 White Lake Road, Clarkston, MI. 48346 248.343.1421 – Phone 248.625.4030 - Fax Email:
[email protected] FOR SALE
36"w x 22' long x 16" high, 120 kW, 1250ÝF, complete w/controls
Lindberg Electric Rotary A-1 Condition 18” wide x 9” high x 60” diameter 72 kW; 1500ÝF. Complete with control system
Lightnin Mixers (7) Available 5 HP, 1725 RPM, Complete w/ propellers and agitators. Shaft length 46" L, Small Propellers 8"W - Large Propellers 19"W For more information, please call your sales representative at 1-877-834-4328 (HEAT).
Park Thermal International (1996) Corp. 62 Todd Road, Georgetown, Ontario L7G 4R7 Toll Free: 877-834-4328 • Fax: 905-877-6205
[email protected] • Web: www.parkthermal.com
FOR SALE
For $25.00 We Will Post and Link Your Ad Online Visit industrial heating online at www.industrialheating.com FOR SALE Diffusion Bonding
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120 October 2011 – IndustrialHeating.com
Densification
http://twitter.com/IndHeat http://www.facebook.com/IndustrialHeating
FOR SALE
FOR SALE Rad Con Bell Annealing Furnace 132" Diameter x 66"H, 60 Ton Load Capacity, 1600˚F, Gas Fired, N2 Atmosphere, 3 Bases, 3 Retorts, 1 Furnace
Classified Marketplace
FOR SALE AFC Mesh Belt Austemper Furnace System 750 Lbs/Hr, 1700ÝF, 30"W x 6"H x 120" long includes loader, furnace, salt tank, wash, exit conveyor & control panel.
Seco Warwick Mesh Belt Austemper Furnace System 1000 lbs/hr, 1550ÝF, 36" w x 14' L, 2 zone, includes loader, furnace, salt tank, wash, exit conveyor & control panel.
Furnaces, Ovens and Baths 4790 White Lake Road Clarkston, MI. 48346 248.343.1421 - Cell E-Mail:
[email protected] Website: www.fobinc.com
FOR SALE
EQUIPMENT FOR SALE
Canefco Direct Gas Fired Draw Furnace 11' wide x 75' long (in heat) x 13" high. Max temp 900 ÝF, net capacity 15,000 lbs, 3 zones of control. Comes with re-circulating fans and free standing control panel. For more information, please call your sales representative at 1-877-834-4328 (HEAT).
Park Thermal International (1996) Corp. 62 Todd Road, Georgetown, Ontario L7G 4R7 Toll Free: 877-834-4328 • Fax: 905-877-6205
[email protected] • Web: www.parkthermal.com
Gas-Fired Carbottom Furnace 6’ W x 6’ H x 12’ L Maximum Temp: 2000˚F Fiber Lined 50,000# Payload Complete with Instruments
For more information, please call 1-877-834-4328 (HEAT) FOR SALE
Surface Pit Carburizer • ID: 48" Diam. x 72" Deep • Dual Fuel: Electric or Gas • Model "ERT" – Electric Radiant Tube • Bottom Alloy Recirculating Fan • Atmosphere Capable • Control Panel + Digital Controls Cleveland, OH Ph: 440-519-3800 Email:
[email protected] HELP WANTED
ZF Group is a Leading Worldwide Automotive Supplier for Driveline and Chassis Technology. With total sales of euro 12,9 billion in 2010 and 70,000 employees at 117 production companies in 26 countries, ZF is among the top ten companies on the ranking list of the largest automotive suppliers worldwide. We are seeking the following positions for these locations. ZF Wind Power, LLC is building a new manufacturing facility in Gainesville, GA that will produce gear boxes for wind turbines. Heat Treat Team Leaders and Met Lab Techs are needed for this start up facility. Interested candidates should submit a resume to
[email protected]. ZF Transmissions Group is building a new manufacturing facility in Upstate South Carolina to produce 8-speed and 9-speed transmissions. We are looking for a Metallurgist for this start up facility. Candidates interested in this position should submit their resume to
[email protected]. ZF is offering a relocation package to bring these candidates into Gainesville, GA and Upstate South Carolina. Associates are eligible for major medical, dental and vision coverage, STD/ LTD insurance, voluntary life, AD&D, 401-K, life insurance, paid holidays, paid vacation, and tuition reimbursement.
FOR $25.00 WE WILL POST AND LINK YOUR AD ONLINE
ZF Group is an EEO/M/F/D/V IndustrialHeating.com – October 2011 121
Classified Marketplace
Check out the latest Used Equipment Listings on Facebook and Twitter – #IHUsedEquip
IC M A R E . BLE C T PA M T E S T GH C A ALAN FOR SALE
Since 1936
HI
––––– ATMOSPHERE GENERATORS ––––– 750CFH Endothermic Ipsen (Air) Gas 1000CFH Ammonia Dissoc. Drever Elec 1000CFH Ammonia Dissoc. Hayes (1994) Elec 1000CFH Exothermic Gas Atmos. Gas 1500CFH Endothermic Ipsen Elec 3000CFH Endothermic Lindberg (3) Gas 3600CFH Endothermic Surface Gas 5600CFH Endothermic Surface (5) Gas 6000CFH Gas Atmos. Nitrogen Generator Gas 10.000CFH Exothermic Seco/Warwick (2) Gas –––––––––– BOX FURNACES –––––––––– 9" × 14" × 9" Lucifer Up/Down Elec 2000/1250˚F 9" × 18" × 9" Lucifer Up/Down Elec 2000/1250˚F 12" × 24" × 8" Lucifer Up/Down (Muffle) Elec 2100˚F 12" × 24" × 8" Hayes (Atm) Elec 1800˚F 13" × 24" × 12" Electra Up/Down Elec 2000˚F 14" × 24" × 12" Lindberg H2 Retort Elec 2150˚F 17"×14.5"×12" L&L (New) Elec 2350˚F 24"×36"×18" Lindberg Elec 2000˚F 24"×36"×24" Lindberg Elec 2100˚F 39" x 144" x 56" Nabertherm Kiln Elec 2450˚F 72"×72"×48" R&G Elec 2000˚F –––––––––– PIT FURNACES –––––––––– 14" Dia × 60"D Procedyne Fluid Bed Elec 1850˚F 22" Dia × 26"D L&N Elec 1400˚F 22" Dia × 26" L&N Nitrider Elec 1200˚F 28" Dia x 48" Lindberg Elec 1400˚F 40" Dia × 60"D L&N (steam) (2) Elec 1200˚F 48" Dia × 72"D Surface Gas (R.T.) 1850˚F 48" Dia × 72"D Surface (Atmos.) Elec/Gas 1850˚F 60" Dia × 144"D Lindberg Elec 1400˚F ––––––––– VACUUM FURNACES ––––––––– 18" × 27" × 14" VFS (HL-26) Elec 2650˚F 24" × 36" × 18" Ipsen VFC-424 Elec 2400˚F –––– INTEGRAL QUENCH FURNACES –––– 8" × 18" × 8" Ipsen Gas 1850˚F 15" × 24" × 10" L&N Tricarb Elec 1850˚F 24" × 36" × 24" Lindberg (Top Cool) Elec 2000˚F 30" × 48" × 30" Surface Elec 1750˚F 30" × 48" × 30" Surface Gas 1850˚F ––––––– BELT FURNACES/OVENS ––––––– 4" × 4' × 2" Wat-Johnson (Atmos.) Elec 1800˚F 24" × 5' × 6" Darvon (New) Elec 400˚F 12" × 15' × 4" Sgt. & Wilbur (1994) Muffle Gas 2100˚F 16" × 24' × 4" Abbott (Atmos.) Muffle Elec 2400˚F 24" × 17' × 28" Jensen – Dual Belt Gas 500˚F 24" × 19' × 30" Jensen Gas 500˚F 24" × 30' × 30" Jensen Gas 500˚F 24" × 40' × 18" Despatch Elec 500˚F 24" × 40' × 18" Despatch Gas 650F 28" × 18' × 12" Hayes Elec 800F 32" × 21' × 18" Sunbeam Elec 1450˚F 36" × 108" × 34" Process Heating Elec 300˚F 42"× 24'× 30" Jensen Gas 500˚F 60"×45'×12" W-House Roller Hearth Gas 1700˚F
122 October 2011 – IndustrialHeating.com
–––––––––– MISCELLANEOUS ––––––––– 30” × 48” Lindberg Charge Car (double-ended) 4000# Accurate — Skip Hoist (NEW) 30"× 48"× 30" Dow Washer (D&S) Elec New Carbon Probes 36" × 48" Surface Roller Tables 30" × 120" × 12" Ransohoff Belt Washer/Dryer Gas Wilson Hardness Testers (RC) SBS Air/Oil Coolers 132" Diam. x 66" High Rad Con (Bell) Gas 1600˚F ––––––– OVENS/BOX TEMPERING –––––– 12" × 18" × 12" Lucifer Elec 1250˚F 12" × 16" × 18" Lindberg (3) Elec 1250˚F 14" × 14" × 14" Blue-M Elec 1300˚F 14" × 14" × 14" Gruenberg (solvent) Elec 450˚F 15" × 24" × 12" Sunbeam (N2) Elec 1200˚F 15" × 24" × 18" Lindberg Elec 1250˚F 20" × 18" × 20" Blue-M Elec 400˚F 20" × 18" × 20" Blue-M Elec 650˚F 20" × 18" × 20" Blue-M (3) Elec 800˚F 20" × 20" × 20" Gruenberg (Solvent) Elec 450˚F 20" × 18" × 20" Despatch Elec 500˚F 20" × 24" × 20" Despatch Elec 1350˚F 24" × 26" × 24" Grieve Gas 500˚F 24" × 24" × 36" New England Elec 800˚F 24" × 24" × 48" Blue-M (2) Elec 600˚F 24" × 36" × 24" Lindberg Elec 1250˚F Elec 500˚F 24" × 36" × 24" Demtee (N2) 24" × 36" × 24" Paulo Gas 1250˚F 25" × 20" × 20" Blue-M Elec 650˚F 26" × 26" × 38" Grieve (2) Elec 850˚F 30" × 48" × 54" Lindberg Gas 1250˚F 36" × 24" × 24" Young & Bertke Elec 400˚F 36" × 24" × 48" Blue-M Elec 600˚F 36" × 36" × 36" P-Quincy Elec 350˚F 36" × 36" × 36" Grieve (2) Elec 650˚F 36" × 36" × 36" Trent Elec 1200˚F 36" × 36" × 48" Blue-M Elec 600˚F 37" × 19" × 25" Despatch Elec 850˚F 37" × 25" × 50" Despatch (3) Elec 500˚F 36" × 60" × 36" CEC (2) Elec 650˚F 36" × 36" × 120" Steelman Elec 450˚F 38" × 20" × 26" Grieve Elec 850˚F 38" × 26" × 38" Grieve Elec 1250˚F 38" × 28" × 28" Trent (Top load) Elec900˚F 48" × 24" × 48" Blue-M Elec600˚F 48" × 30" × 42" Despatch Gas 850˚F 48" × 48" × 48" Lydon Bros. Elec 1200˚F 48" × 48" × 60" Gasmac Burn-off (2) Gas 850˚F 48" × 48" × 60" P-Quincy Elec 800˚F 48" × 48" × 72" Lydon Bros. Elec 450˚F 48" × 48" × 84" Gruenberg Elec450˚F 48" × 72" × 72" Mich. Oven Elec 500˚F 50" × 50" × 50" Grieve Gas 850˚F 54" × 68" × 64" Despatch Elec 500˚F 60" × 64" × 72" Poll. Cont. Burn-off Gas 850˚F 60" × 54" × 60" Lydon Bros. Elec 1200˚F 72" × 96" × 72" Despatch (2) Gas 750˚F 72" × 72" × 72" Mich. Oven Gas 500˚F 72" × 120" × 72" Grieve Gas 450˚F 84" × 96" × 72" Despatch (2) Gas 750˚F 84" × 168" × 84" Cincinnati (2) Gas 500˚F 120" × 120" × 96" Steelman (New) Elec 500˚F
SIVE ADHE
E & SMoist Creamy Putty Just Apply and Let Dry Bonds Most Materials
Resists Chemicals, Electricity, Molten Metals and Abrasion
2300 F O
FREE MATERIALS HANDBOOK
COTRONICS CORP. www.cotronics.com -
[email protected] 718-788-5533
FOR SALE
Hot Zone Rebuild & Upgrade Vacuum Furnaces Controlled Atmosphere Furnaces Hydrogen Retort Furnaces 525 Klug Circle Corona, CA 92880-5452 Phone: (951) 340-4646 Email:
[email protected] or
[email protected] FOR SALE
VACUUM PUMPS SALES AND SERVICE
CASHVAC INC. • • • • •
25 years experience Guaranteed rebuilding Warrantied service OEM replacement parts New and used pump sales All makes and models
• FREE ESTIMATES AND DELIVERY
Factory Trained Stokes Pumps/Blowers
TOLL FREE: 1-800-397-1600 Specializing in Stokes Vacuum Pumps
FOR $25.00 WE WILL POST AND LINK YOUR AD ONLINE Visit industrial heating online at www.industrialheating.com
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http://twitter.com/IndHeat http://www.facebook.com/IndustrialHeating
FOR SALE
FOR SALE New Design
SPARK IGNITER
FOR SALE
Used for the automatic ignition of recuperative burner systems.
Ipsen Horizontal Front Loading Cold Wall Vacuum Furnace *Diff erent Leng ths A vailab le
• • • • • NEW DESIGN • Improved Performance • Longer Life • Larger Gap • Floating Spark • Direct Replacement
• • •
Call for model/ pricing information
• • • • • • •
*We offer both designs
283 East Hellen Road • Palatine, IL 60067 Tel: 847.202.0000 • Fax: 847.202.0004 www.duffycompany.com
EQUIPMENT FOR SALE
Mowry Enterprises, Inc. New
Used
Rebuilt
Solutions
•
For Sale
With A Car Bottom For Loading/Unloading. Model # VFCB-48X96X48(24)R, Serial # 54960 48" w x 48" h x 96" l Load Size: 3000 lbs, Vacuum: 10-4 Barr 450 KVA, 480 Volts, 60 Cycles, 3 Phase, 4000,000 BTUH, 2400 Deg F Thermocouples - Nickel-Molybdenum-Nickel Two Cooling Fans, 10 HP Each C/W Mechanical Pump - Model 412H, 300 CFM, 10 HP, Diffusion Pump - 18", 20,000 CFM Oil Capacity - 10 Pints, Heaters - 10KW, 480 Volts Booster Pump - Roots Model 1722, 1250 CFM Diffusion Pump - Varian HS20 Holding Pump - Leybold Trivac D25B Roughing Pumps - Two (2) Stokes 412 Unit has Return Water System C/w Free Standing Control, Console Complete With Strip Chart Recorder/Controller, Excess Temperature Controller, Soak Times, Vacutronik (Indicates Vacuum Pressure) Warning Signals, Bell Alarm & Horn Alarm. Park Thermal International (1996) Corp. 62 Todd Road, Georgetown, Ontario L7G 4R7 Toll Free: 877-834-4328 • Fax: 905-877-6205
[email protected] • Web: www.parkthermal.com
VFS 6 BAR, 36 x 36 x 48: graphite hot zone, high vacuum, internal quench, 2650 F, PLC/ touch screen controls Ipsen 224, 15” x 10” x 24” , 2002 control panel, rebuilt pump, graphite elements, mech pump/ diffusion pump
FOR SALE
VACUUM OIL QUENCH CARBURIZER: C.I. Hayes: 24” x 24” x 24”, Still installed, 2 chamber with isolated oil quench, complete with water recirc system and alloy grids. Heat Chamber is 24 24 36. Quench chamber can be modiÀed for this larger load. VFS HL 36: 2500 F, 24” x24” x38” graphite hot zone, High vacuum, PLC/ touch screen controls, Pressure Quench
STANDARD & CUSTOMIZED HEAT TREAT FURNACES
VFS HL 50: 36” x 30” x 48”, graphite hot zone, high vaucum, 1200 CFM external quench, 2650 F 2 BAR: 10” x 10” x 20” hot zone, Graphite. Mech pump and blower, built in 1999. TM 12 x 12 x 20: graphite hot zone, high vacuum, internal quench, 5 psig positive quench ABAR 48 x 48 bottom load: graphite hot zone, high vacuum, external quench, PLC/ touch screen controls
www.mowryenterprises.com email:
[email protected] Phone: 978-808-8634 Fax: 508-845-4769
• • • • •
Energy Efficient Temperatures to 3000˚F Electric or Gas Atmospheres Easy to Operate
WWW.LUCIFERFURNACES.COM • Phone: (800) 378-0095 • Fax: 215-343-7388 IndustrialHeating.com – October 2011 123
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Industrial Heating
REPRINTS An excellent marketing opportunity!
If it’s been printed in Industrial Heating, you can have it reprinted by Industrial Heating. Feature Articles, Technology Spotlights, MTI or IHEA ProÀles, Literature Features, and much more. Customize your reprints with your company’s ad, special message or even the cover of Industrial Heating.
Contact Becky McClelland at 412-306-4355 for details ONLINE AT: WWW.INDUSTRIALHEATING.COM
Check out the latest Used Equipment Listings on Facebook and Twitter – #IHUsedEquip
FOR SALE
FOR SALE All Surface Combustion Equipment: • Gas Fired Super Allcase Integral Quench Furnace 30” x 48” x 30”, 1750ÝF, with Top Cool, SBS chiller and controls. • Electric Super Allcase Integral Quench Furnace 30” x 48” x 30”, 1750ÝF, 140 KW with Top Cool, SBS cooler and controls. • Electric Super Allcase Integral Quench Furnace 30” x 48” x 30”, 1750ÝF, 180 KW with SBS cooler and controls. • Electric Tempering Furnace 30” x 48” x 30”, 1400ÝF, 81 KW with controls. • Gas Dunk Washer 30” x 48” x 30”, 180ÝF with controls. For more information, please call your sales representative at 1-877-834-4328 (HEAT).
Park Thermal International (1996) Corp. 62 Todd Road, Georgetown, Ontario L7G 4R7 Toll Free: 877-834-4328 • Fax: 905-877-6205
[email protected] • Web: www.parkthermal.com
FOR SALE FOR SALE
FOR SALE FOR OVER 45 YEARS, specializing in buying and selling used Heat Treating, Heat Processing and Metal Finishing Equipment worldwide.
Heat Treat Furnaces (Batch & Continuous) Heat Processing Ovens • Parts Washers Shot Blast Cleaning/Peening & Vibratory Finishing Machines • Dust Collectors
“Featured Equipment” • Surface Combustion 6000 Endo, Gas Air Cooled • (2) available: Jensen doubledoor, walk-in batch oven. • Lindberg 24 " x 36 " x 18" Vacuum Furnace • Various pieces of Induction Equipment Enterprise Equipment Co., Inc. 6000 Caniff Ave.,Detroit, MI 48212 Ph: 313-366-6600 • Fax: 313-366-6603 Web: www.eecoinc.com Email:
[email protected] 124 October 2011 – IndustrialHeating.com
• 28" Diameter x 72" Deep, Lindberg, 2000-F, Carburizer, Electric. • Stokes 1722 Package Systems – Rebuilt – 1 Available (412-11 w/615 Blowers) • Varian Leak Detectors – 1 Available • 36”W x 30”H x 48”L, Ipsen, I/O Internal Quench, Gas, 1850˚F, 2 Units • 24” Diameter x 48” Deep, L & N Pit Nitrider, 1750˚F • 40”W x 18”H x 36’L, Holcroft Roller Hearth, Gas, 1300˚F • Box Furnaces – All Sizes (30) In Stock • Conveyor Ovens – All sizes (20) In Stock • 30” x 48” x 30”H, Lindberg Batch Tempers, 1250˚F, 3 Available • 72"W x 6"H x 24' , Holcroft, Atmosphere, 1600˚F, Mesh Belt • 102” x 72” x 16”H, Holcroft Slot Forge, 2200˚F, Gas, UNUSED • Induction Heating, 7.5 kW to 750 kW, 1 kHz to 450 kHz, 21 In Stock • 36” x 48” x 30”H, Surface Combustion Batch Tempers, 1400˚F, Gas • 59”W x 67”H x 50”L, Despatch, 1000°F, Atmosphere w/Forced Cooling, 2 Available • 8 Cubic Feet Jet Wheel Blast Multi Tumble Shot Blast Machines w/Loader, 2 Available • Dual Rotary Drum Washer, 2 Stage w/Blow Off, 23” Diameter x 15’L, Stainless Drums • 132" Diameter x 66"H Bell Furnace, 1600°F, Gas, Atmosphere • 36"W x 30"H x 48"L Temper, Surface Combustion, 1250°F, Electric • 36"W x 36"H x 72"L Temper, Wisconsin, 1250°F, Electric • Holcroft Direct Fired 2 Row Pusher, 21" x 42" Trays, 1750° • 38" Dia. x 84" Deep, Lindberg Pit Furnace, 1250-F, Elec., Atmos/Cool. • 48"W x 7"H x 21'L, 1750-F, Electric, Cast Link Belt Furnaces - 3 Available • Wheelabrator Spinner Hanger w/34"W x 52"H x 58"L opening.
Contact: Jeffrey D. Hynes 248.343.1421 or
[email protected] FURNACES OVENS & BATHS For a complete inventory listing with photos visit www.fobinc.com
Industrial Heating TRAINING 2011 Invest 60 Minutes and LEARN Secrets of Hardness & Mechanical Testing 2:00 p.m./November 11 This webinar will focus on hardness testing (e.g., Brinell, Rockwell, Rockwell Superficial, Microhardness) and include examples of common testing problems encountered. The presenter will also discuss various other types of mechanical-testing methods, including fatigue, tensile strength, impact, shear and torsion testing. Other types of industry tests such as stress rupture, stress durability, pull-out/push-out, vibration, engagement, wear, microstructure, chemical analysis and corrosion will also be covered. Speak er: Dan Herring The Heat Treat Doctor© The HERRING GROUP, Inc.
ON DEMAND: Temperature Sensing/Control: The Right Tools Save You Money Original date: August 18 Topics to be covered include: Principles of temperature measurement; Types of sensors and suitable applications; Response, accuracy, and quality control; Non-uniformities, errors and numerical models; Indicators, switches, transmitters, telemetry; Sensors for safety, environmental control, process control. Sp e a ke r : Richard J. Martin, Ph.D., P.E., C.F.I. Martin Thermal Engineering
60 mins./webinar including Q&A. Sign Up TODAY Online At: webinars.industrialheating.com By the way, did we mention .... No software to install Industry expert speakers Live Q&A sessions
We send an e-mail reminder Two additional archived webinars All webinars are FREE!
Advertiser Website Index Page
COMPANY NAME
PHONE
WEBSITE ADDRESS
46 98 83 29 42,113 115 47,112 50 71 102,109 16 33 42 49,95 111 51 85 103 88 8 104 106 17 90 63 86 80 52 99 55 44,108 37,39,41,43 23,105 111 91 54 19 114 69 125 106 Back Cover 48 110 66 5 26-27 96 61 78 101 40 64 14,15 35 38 65 21 Inside Front Cover 100 114 90 40,110 98 57 92 36 12 104 68 31 25 79 13 58 51 6,7 89 76 44 107 93 Cover 97 11 88 62 45, Inside Back Cover 72 48
ACROSS USA, Inc. AEC Inc. AFC-Holcroft Agilent Technologies, Vacuum Products Div. Air Products and Chemicals, Inc. AIST Ajax TOCCO Magnethermic Corp. ALD Thermal Treatment, Inc. Alpha 1 Induction ASM International BeaverMatic, Inc. Can-Eng Furnaces International Ltd. Capitol Vacuum CEIA USA Ltd. Centorr Vacuum Industries, Inc. Ceramic Solutions Inc. Consolidated Engineering Co. Control Concepts Inc. Cornerstone Systems, Inc. Custom Electric Manufacturing Co. Delta Cooling Towers DMP CryoSystems Dry Coolers Inc. Duffy Co., The Eclipse ECM EFD Induction, Inc. Elmet Technologies Elotherm, SMS Group Eurotherm Inc., Invensys Furnace Parts LLC GeoCorp Inc. G-M Enterprises Graphite Metallizing Corp. H.C. Starck Inc. Hauck Manufacturing Heatbath Corp./Park Metallurgical Herring Group, The Huettinger Electronic, Inc. IH Training Induction Tooling Inc. Inductotherm Group Industrial Furnace Interiors Inc. INEX Incorporated International Thermal Systems Ipsen Inc. Ipsen Inc. Jackson Transformer Co. Kurt J. Lesker Co. L & L Special Furnace Co., Inc. LECO Corp. Lindberg/MPH Metallurgical High Vacuum Corp. Nanmac Corp. National Element Inc. Nitrex Metal North American Cronite, Inc. Oerlikon Leybold Vacuum USA Omega Engineering, Inc. Orton Ceramics Procedyne Corp. Proceq USA Inc. Protection Controls Inc. Proton PV/T Incorporated Qual-Fab, Inc. Raytek Corp. Rolled Alloys Rous Hi-Temp Product Co., Ltd. Saint-Gobain Ceramics, Structural Ceramics, Hexoloy Schunk Graphite Technology SECO/WARWICK Corp. SGL Carbon, LLC Solar Manufacturing Steeltech Ltd. Super Systems Inc. Surface Combustion Inc. Tenaxol Technologies Inc. Tenova Core Thermo Transfer, Inc. T-M Vacuum Products, Inc. Tuthill Vacuum & Blower Systems Unifrax, LLC United Process Controls Vac Aero International Inc. VAT, Inc. Wellman Furnaces Inc. WIRCO, Inc. Wisconsin Oven Corp. WS Thermal Process Technology Inc.
310-635-3555 847-273-7703 248-624-8191 800-882-7426 800-654-4567
www.acrosscc.com www.aecinternet.com www.afc-holcroft.com www.agilent.com/chem/vacuum www.airproducts.com/metals www.aist.org www.ajaxtocco.com www.aldtt.net www.alpha1induction.com www.asminternational.org www.beavermatic.com www.can-eng.com www.capvac.com www.ceia-usa.com www.centorr.com www.ceramicsolutionsconroe.com www.cec-intl.com www.ccipower.com www.ask4csi.com www.custom-electric.com www.deltacooling.com www.CryoSystems.com www.drycoolers.com www.duffycompany.com www.eclipsenet.com/serv5 www.ecm-usa.com www.efdinduction-usa.com www.elmettechnologies.com www.sms-elotherm.com www.eurotherm.com www.furnacepartsllc.com www.geocorpinc.com www.gmenterprises.com www.graphalloy.com/IH www.hcstarck.com www.hauckburner.com www.heatbath.com www.heat-treat-doctor.com www.huettinger.com www.industrialheating.com/ihtraining www.inductiontooling.com www.inductothermgroup.com www.ifi-inc.com www.INEXinc.net www.itsllcusa.com www.ipsenusa.com www.ipsenusa.com/HybridCarb www.jacksontransformer.com www.lesker.com www.hotfurnace.com www.leco.com www.lindbergmph.com www.methivac.com www.nanmac.com www.nationalelement.com www.nitrex.com www.afegroup.com www.oerlikon.com/leyboldvacuum www.omega.com www.temptab.com www.procedyne.com www.proceq-usa.com www.protectioncontrolsinc.com www.protononsite.com www.pvt-vf.com www.qual-fab.net www.raytek.com www.rolledalloys.com www.rous-hitemp.com www.hexoloy.com www.schunkgraphite.com www.secowarwick.com www.sglcarbon.com www.solarmfg.com www.steeltechltd.com www.supersystems.com www.surfacecombustion.com www.tenaxol.com www.tenovacore.com www.thermotransferinc.com www.tmvacuum.com www.tuthill.com www.unifrax.com www.group-upc.com www.vacaero.com www.vatvalve.com www.wellmanfurnaces.com www.wirco.com www.wisoven.com www.flox.com
126 October 2011 - IndustrialHeating.com
800-547-1527 803-233-0660 800-991-2599 800-336-5152 815-963-0005 905-356-1327 800-237-3933 888-532-CEIA 800-962-8631 936-588-2646 770-422-5100 952-474-6200 800-275-4274 248-305-7700 800-289-3358 915-351-8500 800-525-8173 847-202-0000 262-925-6321 248-658-0700 207-333-6100 877-735-6843 703-724-7300 800-321-0796 419-433-1101 951-340-4646 914-968-8400 617-584-9322 717-272-3051 413-452-2000 630-834-3017 408-454-1182 440-237-0711 609-267-9000 586-726-2388 716-537-2270 414-672-7700 800-727-7625 800-727-7625 813-879-5811 800-245-1656 610-459-9216 800-292-6141 269-849-2700 269-543-4291 508-872-4811 800-600-5511 514-335-7191 800-243-4123 724-327-5700 203-359-1660 614-895-2663 732-249-8347 800-839-7016 847-674-7676 856-235-5400 440-327-5000 800-227-8074 800-521-0332 0086-533-3580575 716-278-6233 262-250-8869 814-332-8400 800-727-4474 215-258-3350 616-243-7920 513-772-0060 800-537-8980 414-476-1400 412-262-2240 317-398-3503 856-829-2000 800-825-6937 716-278-3800 800-547-1055 905-827-4171 781-935-1446 317-398-4411 800-348-2880 262-642-3938 440-365-8029
Q UA L I TY
CAST I N GS
&
FABRICATIONS
MADE IN AMERICA BASKETS & FA B R I C AT I O N S
ISO 9001 Certified : 2008
C A S T T R AY S & F I X T U R E S
RADIANT TUBES & FURNACE ROLLS
FURNACE COMPONENTS To place an order or receive a quote:
call 1.800.348.2880 email our sales staff at
[email protected] OR contact your local sales representative. See Us at Booth #1935
WIRCO, INC. : AVILLA, INDIANA www.wirco.com
|
|
phone: 260.897.3768
ALLOY ENGINEERING & CASTING COMPANY : CHAMPAIGN, ILLINOIS
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800.348.2880
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fax: 260.897.2525
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sales @ wirco.com
Who can combine global expertise with local manufacturing, delivery and support?
CAN.
Inductotherm Group: Many companies. One mission. To design and manufacture the most advanced thermal processing systems to help your company succeed. No matter what metal you melt, heat treat, hot forge or process, the Inductotherm Group will put our shared knowledge, global reach and unparalleled technology to work for one company. Yours. INDUCTOTHERMGROUP.COM
Visit Us At Heat Treat 2011/Gear Expo Duke Energy Convention Center Hall A, Booth #1611 Nov. 1 – 2, 2011 • Cincinnati, OH See Us at Booth #1611