High strength dual phase steel plate with superior toughness and

Details High strength dual phase steel plate with superior toughness and High strength dual phase steel plate with superior toughness and

1995-06-07

1997-08-05

Yee, Deborah

Metal treatment

Stock

Ferrous

148682, 148683, B32B 1518, C22C 3812

Patent

active

056538260

ABSTRACT:
A high strength steel composition comprising ferrite and martensite/banite phases, the ferrite phase having primarily vanadium and mobium carbide or carbonitride precipitates, is prepared by a first rolling above the austenite recrystallization temperature; a second rolling below the anstenite recrystallization temperature; a third rolling between the Ar.sub.3 and Ar.sub.1 transformation points, and water cooling to below about 400.degree. C.

REFERENCES:
patent: 4273838 (1981-06-01), Biemiller

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