Martensitic stainless steel having excellent hardness by subzero

Details Martensitic stainless steel having excellent hardness by subzero Martensitic stainless steel having excellent hardness by subzero

1988-05-19

1989-07-11

Yee, Deborah

Metal treatment

Stock

Ferrous

148326, 148327, C22C 3840

Patent

active

048469041

ABSTRACT:
This invention provides the following stainless steels called invention steel 1 and invention steel 2.
Invention steel 1 is a subzero treatment hardening type martensitic stainless steel characterized by comprising not more than 0.4% by weight of C, not more than 0.4% by weight of N, not more than 15% by weight of Mn, not more than 12% by weight of Ni, 10 to 23% by weight of Cr, not more than 3.0% by weight of Mo, not more than 5.0% by weight of Cur, not more than 2.0% by weight of Si, and the remaining portion consisting of inevitable impurities and Fe and satisfying the following formaulae (1), (2) and (3),

REFERENCES:
patent: 4450006 (1984-05-01), Uyehara et al.

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