High strength steel sheet adapted for press forming and method o

Details High strength steel sheet adapted for press forming and method o High strength steel sheet adapted for press forming and method o

1995-12-13

1996-12-10

Ip, Sikyin

Metal treatment

Process of modifying or maintaining internal physical...

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

148603, 148331, 148333, 148334, C22C 3802

Patent

active

055826580

ABSTRACT:
A high strength steel sheet adapted for press forming and method producing the same. The steel sheet containing by weight C: 0.01-0.1%, Si: 0.1-1.2%, Mn: not more than 3.0%, Ti:a value of (Ti%-1.5S%-3.43N%)/C% being 4-12, B: 0.0005-0.005%, Al: not more than 0.1%, P: not more than 0.1%, S: not more than 0.02%, N: not more than 0.05%. The method for producing the steel sheet wherein a steel slab containing the above mentioned component composition is heated and hot rolled in a temperature range of 1100-1280.degree. C. to provide a hot rolled sheet. The hot rolled sheet may be is subjected to cold rolling and annealing to provide a cold rolled sheet.

REFERENCES:
patent: 2737455 (1956-03-01), Kirkby et al.
patent: 3765874 (1973-10-01), Elias et al.
patent: 4441936 (1984-04-01), Takahashi et al.
Metals Handbook, 1948 Edition, The American Society for Metals, 1948, p. 13 .

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