Cold reduced non-aging deep drawing steel and method for produci

Details Cold reduced non-aging deep drawing steel and method for produci Cold reduced non-aging deep drawing steel and method for produci

1991-04-23

1992-04-07

Yee, Deobrah

Metal treatment

Compositions

Heat treating

148 12C, 148 12F, 148320, C21D 948, C22C 3806

Patent

active

051024721

ABSTRACT:
A non-aging, cold reduced, recrystallization annealed, low manganese, aluminum killed steel having an r.sub.m value greater than 1.8 produced from a slab having a reduced hot rolling temperature. A slab consisting essentially of .ltoreq.0.08% carbon, .ltoreq.0.1% acid sol. aluminum, <0.20% manganese, all percentages by weight, the balance iron and unavoidable impurities, is hot rolled from a temperature less than about 1260.degree. C. Preferably, the steel has an r.sub.m value of greater than 2.0 after batch annealing and is produced from a slab reheated to a temperature less than about 1175.degree. C.

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