Method of making cold-reduced Al-killed steel strip for press-fo

Details Method of making cold-reduced Al-killed steel strip for press-fo Method of making cold-reduced Al-killed steel strip for press-fo

1976-08-12

1978-09-12

Stallard, W.

Metal treatment

Compositions

Heat treating

148 3, 148 12C, C21D 948

Patent

active

041135172

ABSTRACT:
When an Al-killed steel consisting of, specially, 0.005% .ltoreq. [N] .ltoreq. 0.007%; 10 .times. [N] .ltoreq. Sol.Al. .ltoreq. 0.12%; and the ratio Sol.Al.%/[N]% controlled within the range of 10 to 20, is continuously cast, hot rolled, coiled at a high temperature, cold reduced and finally continuously annealed under special requirements, the steel strip is not at all inferior to the commercial base strip in mechanical properties and is made under high productivity and exhibits excellent uniformity in qualities.

REFERENCES:
patent: 3725143 (1973-04-01), Alworth et al.
patent: 3839095 (1974-10-01), Kubotera et al.

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