Method of manufacturing cold rolled steel sheets for extra deep

Metal treatment – Compositions – Heat treating

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148120, C21D 804

Patent

active

045170312

ABSTRACT:
A method of manufacturing cold rolled steel sheets for extra deep drawing is disclosed, which comprises the steps of:

REFERENCES:
patent: 4331488 (1982-05-01), Sudo et al.
patent: 4441936 (1984-04-01), Takahashi et al.
JP-A-58-52,441--Sep. 22, 1983--Japan, Patent Abstracts of Japan, vol. 7, No. 139, Jun. 17, 1983.

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