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Title Card: How Steel Properties Influence the Roll Forming ProcessOptimizing the use of roll forming requires understanding how the sheet metal behaves through the process. Making a bend in a roll-formed part occurs only when forming forces exceed the metal’s yield strength, causing plastic deformation to occur. Higher-strength sheet metals increase forming force requirements, leading to the need to have larger shaft diameters in the roll forming mill. Each pass must have greater overbend to compensate for the increasing springback associated with the higher strength.

Although a high-strength material requires greater forming loads, grades with higher yield strength can resist stretching of the strip edge and prevent longitudinal deformations such as twisting or bowing. Read more of this article on our AHSS Insights website.

We continue to provide updates on our roll-forming content, to ensure our automotive engineering audience of metallurgists, design engineers and materials engineers have the information they need to utilize today’s Advanced High-Strength Steels and take advantage of this innovative material’s incredible benefits for safety, lightweighting, flexibility and recyclability.