Method for producing high tensile strength, high ductility, low

Details Method for producing high tensile strength, high ductility, low Method for producing high tensile strength, high ductility, low

1978-11-30

1980-02-12

Stallard, W.

Metal treatment

Compositions

Heat treating

148 12C, 148 123, C21D 946, C21D 948

Patent

active

041882415

ABSTRACT:
A method for producing a plain low carbon hot rolled steel strip or sheet having a low yield ratio, not higher than 70%, high ductility and high tensile strength comprising: hot rolling a steel slab with its finishing temperature not lower than the Ar.sub.3 transformation temperature, cooling the hot rolled strip from a temperature not lower than Ar.sub.3 transformation temperature and coiling the hot rolled strip at a temperature not higher than 300.degree. C.

REFERENCES:
patent: 3976514 (1976-08-01), Matsukura et al.
patent: 4125416 (1978-11-01), Katoh et al.

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