Stainless steel exhibiting excellent anticorrosion property for

Details Stainless steel exhibiting excellent anticorrosion property for Stainless steel exhibiting excellent anticorrosion property for

1990-11-27

1992-05-05

Yee, Deborah

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

420 40, 420 68, C22C 3822, C22C 3826

Patent

active

051105446

ABSTRACT:
A stainless steel exhibiting excellent anticorrosion property for use in engine exhaust systems comprises not more than 0.010% C, not more than 0.2% Si, 0.05%-1.5% Mn, 12%-20% Cr, 0.2%-3.0% Mo, 0.005%-0.1% Al, not more than 0.015% N, not more than 0.025% P, not more than 0.010% S, either or both of 10.times.(C %+N %)-0.5% Ti and 5.times.(C %+N %) 0.5% Nb, and the balance of Fe and unavoidable impurities. An additional improvement in the anticorrosion property of the stainless steel can be obtained by further adding thereto one or more of 0.1%-1.0% Ni, 0.03%-1.0% Cu, 0.05%-0.5% W, 0.05%-0.5% V and 0.05%-1.0% Zr and/or one or both of 0.001%-0.03% Ca and 0.001%-0.03% Ce.

REFERENCES:
patent: 4652428 (1987-03-01), Maruhashi et al.

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