Method of making corrosion resistant austenitic steel

Details Method of making corrosion resistant austenitic steel Method of making corrosion resistant austenitic steel

1974-09-05

1976-02-17

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75128A, 75128N, C22C 3858

Patent

active

039389901

ABSTRACT:
A substantially non-porous, austenitic stainless steel that is resistant to chloride pitting and a method of making it are disclosed. The steel includes from 21-45% manganese, from 10-30% chromium, from 1-4% nickel, from 0.85-3% nitrogen, up to 2% silicon, up to 1% carbon and the balance iron and residuals. In addition to containing elements within the above-noted composition ranges, the alloys must be such that:

REFERENCES:
patent: 3112195 (1963-11-01), Souresny
patent: 3592634 (1971-07-01), Denhard
patent: 3847599 (1974-11-01), Hartline

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