How metal fabricators can manage distortion in profile bending

Bender-rollers have seen a spike in the demand for curved metal in recent years. The elliptical tube structure surrounding the CTA train tracks at the Illinois Institute of Technology (IIT) stop near downtown Chicago is a perfect example. But even though Chicago Metal Rolled Products made it look easy, curving metal doesn’t come without its complications. Managing distortion tops the list, according to American Institute of Steel Construction (AISC).
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