Mike Roth

Contributing Writer
Induction Technology, for Miller Electric Mfg. Co.
1635 W. Spencer St.
Appleton, WI 54912-1079


Phone: 800-426-4553
fax: 920-735-4168
www.MillerWelds.com
Contact via email
Miller Electric Mfg. Co. is a manufacturer and provider of welding supplies and equipment for light to heavy industrial applications.

Heating P91 boiler pipe

March 13, 2003

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In the power piping industry, turnaround time on a boiler pipe project typically is from 20 to 36 weeks. But J.F. Ahern Co. (JFA), Fond du Lac, Wis., a company ranked as one of the Midwest's top 10 mechanical contractors according to the May 2002 Contractor magazine, isn't typical. Neither were the results JFA achieved when it switched to induction technology for pipe preheating.

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Postweld chart

Welding chromium-molybdenum steel pipe for power plants

July 11, 2002

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New power plants are in high demand and several hundred can be expected to be built over the next decade. Chromium-molybdenum steel pipe (P91) is a major construction material in these plants and there are particular methods for welding it properly to insure it will hold up. Preheat and postweld heat treatment are mandatory and absolutely critical to the service life of the alloy. Induction heating is a growing method for preheating and postweld heat treating.

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Welders turn to induction heating for preheating, stress relieving

November 15, 2001

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This article discusses using induction heating for preheating and (postheating) stress relief of welds. It focuses on what this technology is, how it works, and how it can be used in an industrial setting. This article also gives several real-life examples of how the technology has been used in actual applications.

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