Precipitation hardenable stainless steel

Details Precipitation hardenable stainless steel Precipitation hardenable stainless steel

1976-08-18

1977-09-20

Steiner, Arthur J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75125, 75128F, 75128G, 75128P, 148 37, C22C 3806, C22C 3842

Patent

active

040494306

ABSTRACT:
A chromium-nickel age hardenable martensitic stainless steel containing about up to 0.05% carbon, up to about 0.5% manganese, up to about 0.5% silicon, up to about 0.04% phosphorus, up to about 0.02% sulfur, about 10.5-12% chromium, about 8.5-9.5% nickel, about 2.1-3.0% copper, about 0.7-0.93% aluminum, up to about 0.01% boron, about 0.20-0.55% columbium, and the balance iron plus impurities.

REFERENCES:
patent: 3357868 (1967-12-01), Tanczyn
patent: 3408178 (1968-10-01), Myers
patent: 3556776 (1971-01-01), Clarke, Jr.
patent: 3622307 (1971-11-01), Clarke, Jr.
patent: 3658513 (1972-04-01), Clarke, Jr.

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