Age-hardenable stainless steel having improved machinability

Details Age-hardenable stainless steel having improved machinability Age-hardenable stainless steel having improved machinability

1986-08-21

1988-09-06

Yee, Deborah

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

420 58, 420 60, C22C 3820

Patent

active

047692138

ABSTRACT:
A chromium-nickel-copper, age-hardenable martensitic stainless steel having improved machinability in the solution-treated and also in the age-hardened condition. The steel has carbon plus nitrogen up to 0.08%, preferably 0.05 or 0.035% for purposes of improved machinability.

REFERENCES:
patent: 2482097 (1949-09-01), Clarke
patent: 2797993 (1957-07-01), Tanczyn
patent: 4613367 (1985-09-01), Eckenrod et al.
U.S. Ser. No. 898,488 filed 8-21-86 by Eckenrod et al.
U.S. Ser. No. 910,239 filed 9-19-86 by Haswell et al.
U.S. Ser. No. 910,238 filed 9-19-86 by Eckenrod et al.

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