Method of producing cold-rolled, high-strength steel strip with

Details Method of producing cold-rolled, high-strength steel strip with Method of producing cold-rolled, high-strength steel strip with

1996-12-04

1999-05-25

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148603, 148651, C21D 802

Patent

active

059066903

ABSTRACT:
A method of producing cold-rolled, high-strength steel strip with good plasticity and isotropic properties out of steel comprising no more than 0.08% carbon, no more than 10% silicon, no more than 1.8% manganese, between 0.010 and 0.10% phosphorus, no more than 0.02% sulfur, no more than 0.08% aluminum and no more than 0.008% nitrogen by weight plus one or more of the elements titanium, vanadium, niobium, and zirconium, the remainder being iron, by hot rolling, cold rolling, and recrystallization annealing; followed by temper rolling. The steel contains either three times as much titanium or six times as much niobium or zirconium as nitrogen.

REFERENCES:
patent: 5137584 (1992-08-01), Jesseman
patent: 5360493 (1994-11-01), Matsuoka et al.

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