Bumper beam making process

Details Bumper beam making process Bumper beam making process

1996-01-30

1997-09-23

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148603, 148654, 148575, C21D 802

Patent

active

056699921

ABSTRACT:
A bumper beam for vehicles is formed from cold-rolled sheet steel having an initial tensile strength of approximately 70 ksi. The steel sheet is roll formed in a desired cross-section and swept into a curvature corresponding to the vehicle requirements before the steel sheet is heat treated by induction heat and quenched to provide a bumper beam having a tensile strength from 100 ksi up to approximately 260 ksi.

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Bumper Design Materials and Fabrication 730030 by R.R. Golze and R.F. Kienle dated Jan. 8-Dec. 1973.

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