Precipitation hardening stainless steels

Details Precipitation hardening stainless steels Precipitation hardening stainless steels

1996-04-30

1997-05-20

Yee, Deborah

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

420 61, C22C 3842

Patent

active

056309830

ABSTRACT:
A precipitation hardening stainless steel, which is excellent in cold workability at a solution treated state and good in proof stress after overaging treatment, consists essentially of C.ltoreq.0.010, Ni 0.010.about.0.025% (provided C+N.ltoreq.0.025%), Si.ltoreq.1.0%, Mn.ltoreq.1.2%, P.ltoreq.0.040%, S.ltoreq.0.030%, Cu: 3.0.about.5.0%, Ni: 3.0.about.4.65%, Cr: 13.0.about.16.5%, Mo.ltoreq.1.0%, Nb: (-11.43 (C+N)+0.6).about.0.5% and the balance Fe on condition that

REFERENCES:
patent: 629731 (1899-10-01), Christ et al.
patent: 4769213 (1988-09-01), Haswell, Jr. et al.

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