Method of producing high strength dual phase steel plate with su

Details Method of producing high strength dual phase steel plate with su Method of producing high strength dual phase steel plate with su

1994-12-06

1996-08-13

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148593, C21D 802, C21D 810

Patent

active

055452701

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.

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