Chromium containing high strength steel sheet excellent in corro

Details Chromium containing high strength steel sheet excellent in corro Chromium containing high strength steel sheet excellent in corro

1993-04-19

1994-04-19

Yee, Deborah

Metal treatment

Stock

Ferrous

148333, 420104, 420 70, 420112, C22C 3820, C22C 3824

Patent

active

053042590

ABSTRACT:
A high strength chromium containing steel sheet having a tensile strength of at least 40 kgf/mm.sup.2, and excellent in corrosion resistance and workability, comprising, by weight, C:up to 0.030%, Si:up to 2.30%, Mn:up to 3.0%, P:more than 0.0005% and not more than 0.150%, S:up to 0.010%, Ni:up to 2.0%, Cu:more than 0% and not more than 2.0%, Cr:not less than 5.0% and less than 10.0%, N:up to 0.030%, V:not less than 0.01% and not more than 0.10%, and optionally at least one of 0.01 to 0.30% of Ti, 0.01 to 0.30% of Nb, 0.01 to 0.30% of Zr, 0.01 to 0.20% of Al and 0.0002 to 0.0200% of B, the amounts of Si, Mn, P, Ni and Cu being adjusted so that the relation:Si+Mn+10P+Ni+Cu>1.0% may be satisfied, the balance being iron and unavoidable impurities.

REFERENCES:
patent: 4790977 (1988-12-01), Daniels et al.
patent: 5017246 (1991-05-01), Miyasaka et al.

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