Process of making aluminum killed low manganese deep drawing ste

Details Process of making aluminum killed low manganese deep drawing ste Process of making aluminum killed low manganese deep drawing ste

1983-07-20

1984-09-25

Skiff, Peter K.

Metal treatment

Compositions

Heat treating

148 12D, 148 16, C21D 804

Patent

active

044734115

ABSTRACT:
A process of making aluminum killed, low manganese, deep drawing steel having a manganese content of up to 0.24%. The steel is hot rolled to hot band, cold rolled to final gauge, annealed and subjected to a small amount of temper rolling. In the annealing step, the steel is box annealed in coil form in such a manner that a coil cold spot temperature of at least about 1100.degree. F. (593.degree. C.) and below about 1250.degree. F. (677.degree. C.) is achieved.

REFERENCES:
patent: 2906652 (1959-09-01), Kiefer, Jr.
patent: 3513036 (1970-05-01), McFarland et al.
patent: 3843415 (1974-10-01), Leslie

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