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Is it permissible to use controlled heat to straighten, curve, or camber structural steel shapes?

April 26, 2017camber controlled curve heat permissible shapes steel straighten structural

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Is it permissible to use controlled heat to straighten, curve, or camber structural steel shapes?

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Yes. AWS D1.1-2004 Section 5.26.2 permits heat-straightening of members that are distorted by welding and stipulates rules for this procedure. These rules are equally applicable for all heat straightening or curving. Furthermore, the 2005 AISC Specification Section M2.1 and a discussion in the 13th Edition AISC Manual (Part 2), provide a sound basis for the use of controlled heat to straighten, curve, camber, and form structural steel. The proper control of heat application generally involves the use of rosebud tips on torches to disperse the applied flame and temperature indicating crayons or similar devices to monitor the induced temperature.