High-strength, low-yield-point, cold-rolled steel sheet or strip

Details High-strength, low-yield-point, cold-rolled steel sheet or strip High-strength, low-yield-point, cold-rolled steel sheet or strip

1982-11-18

1984-04-10

Skiff, Peter K.

Metal treatment

Compositions

Heat treating

148 36, C21D 804, C21D 948

Patent

active

044419368

ABSTRACT:
A high-strength, deep-drawing, cold-rolled steel sheet or strip consisting essentially of not more than 0.020% C, not more than 0.8% Si, not more than 1.5% Mn, 0.03 to 0.14% P, not more than 0.20% sol.Al, not more than 0.008% N, Ti in an amount 4 to 20 times that of (C+N), and not more than 0.0080% B, with the balance being iron and unavoidable impurities.

REFERENCES:
patent: 3368886 (1968-02-01), Muta et al.
patent: 3607456 (1971-09-01), Forand, Jr.
patent: 3827924 (1974-08-01), Takechi et al.
patent: 3897280 (1975-07-01), Gondo et al.
patent: 3926692 (1975-12-01), Ludwigson
patent: 3988173 (1976-10-01), Kawano
patent: 4219371 (1980-08-01), Nakasugi et al.
patent: 4314862 (1982-02-01), Sudo et al.
patent: 4397699 (1983-08-01), Takahashi et al.

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