Pitting resistant duplex stainless steel alloy

Details Pitting resistant duplex stainless steel alloy Pitting resistant duplex stainless steel alloy

1984-08-06

1986-09-16

Rutledge, L. Dewayne

Metal treatment

Stock

Ferrous

148327, 420 61, C22C 3842

Patent

active

046120696

ABSTRACT:
A high pitting resistant duplex stainless steel alloy is provided which comprises, in weight percentage, C: 0.08% and below; Si: 2.0% and below; Mn: 2.0% and below; Cr: 23.0% to 29.0%; Ni: 5.0% to 9.0%; Cu: 0.5% to 3.5%; N: 0.2% and below; Mo: 1.0% and below; P: 0.1% and below; S: 0.1% and below and the remaining portion being substantially Fe to form the material of the high pitting resistant duplex stainless steel alloy.

REFERENCES:
patent: 2214128 (1940-09-01), Fontana
patent: 3082082 (1983-03-01), Bidwell
patent: 3337331 (1967-08-01), Ljungberg
patent: 3567434 (1975-03-01), Richardson et al.
patent: 3833359 (1974-09-01), Murakami et al.
patent: 4119456 (1978-10-01), Roach et al.
patent: 4172716 (1979-10-01), Abo et al.
patent: 4218268 (1980-08-01), Hiraishi et al.
patent: 4224061 (1980-09-01), Hiraishi et al.
patent: 4391635 (1983-07-01), Murakami et al.
Kubota Brochure, 1973, p. 4, see material KCR-A171 and KCR-A271.

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