Bake-hardening cold-rolled steel sheet having dual-phase structu

Details Bake-hardening cold-rolled steel sheet having dual-phase structu Bake-hardening cold-rolled steel sheet having dual-phase structu

1991-02-01

1992-06-23

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148330, 148328, 148602, 148623, C21D 800

Patent

active

051239698

ABSTRACT:
A bake hardening cold-rolled steel sheet which has good bake hardenability, good dent resistance, and low yield ratio which contributes to the shape-fixability of the steel sheet. The steel is suitable for the outer panel of an automobile. The process for manufacturing the steel sheets includes the following steps:

REFERENCES:
patent: 3947293 (1976-03-01), Takechi et al.
patent: 4040873 (1977-08-01), Nakaoka et al.
patent: 4336080 (1982-06-01), Nakaoka et al.

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