Non-magnetic stainless steel

Details Non-magnetic stainless steel Non-magnetic stainless steel

1978-12-19

1981-01-20

Andrews, M. J.

Metal treatment

Compositions

Heat treating

75125, 75128N, 75128W, C22C 3954

Patent

active

042460476

ABSTRACT:
This invention relates to a high strength non-magnetic stainless steel for a spring, which comprises at most 0.2% of carbon, at most 3% of manganese, at most 0.045% of phosphorus, at most 0.03% of sulfur, at most 1% of silicon, 18 to 20% of chromium, 8 to 12% of nickel, 0.08 to 0.25% of nitrogen and the balance of iron and which is subjected to a heat treatment and a cold or warm working.

REFERENCES:
patent: 1990590 (1935-02-01), Franks
patent: 2229065 (1941-01-01), Franks
patent: 2471080 (1949-05-01), Post
patent: 2553707 (1951-05-01), Goller
patent: 2602737 (1952-07-01), Binder et al.
patent: 3306736 (1967-02-01), Rundell
patent: 3551142 (1970-12-01), Decroix
Haefner et al., "Property Relationships of Some Cast and Forged Cr-Mn-Ni-N.sub.2 Steels Containing 18% Cr". 1959, ASTM, pp. 1-12.

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