Method for the production of cold rolled steel sheet having supe

Details Method for the production of cold rolled steel sheet having supe Method for the production of cold rolled steel sheet having supe

1983-10-06

1985-03-12

Skiff, Peter K.

Metal treatment

Compositions

Heat treating

148 123, 148 36, C21D 804

Patent

active

045043264

ABSTRACT:
Method for the production of a cold rolled steel sheet which has a distinguished deep drawability as well as chemical treating ability by the steps of providing a very low carbon steel, adding Ti and Nb in combination to said steel, hot rolling and cold rolling said steel to produce a cold rolled steel sheet, and subjecting said cold rolled steel sheet to a continuous anneal at a temperature of more than 700.degree. C. to less than the Ac.sub.3 transformation point.

REFERENCES:
patent: 3765874 (1973-10-01), Elias et al.
patent: 3897280 (1975-07-01), Gordo et al.

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