High strength austenitic stainless steel exhibiting freedom from

Details High strength austenitic stainless steel exhibiting freedom from High strength austenitic stainless steel exhibiting freedom from

1980-03-31

1982-07-27

Lewis, Michael L.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75125, 75128G, 75128N, 75128W, 148 38, C22C 3844, C22C 3848, C22C 3850, C22C 3858

Patent

active

043415555

ABSTRACT:
An austenitic stainless steel having high strength, good hot workability, good corrosion resistance, and freedom from embrittlement both in the cold-worked and stress-relieved condition and in the heat affected zone of weldments, consisting essentially of 0.06% maximum carbon, about 0.2% to 3.0% manganese, about 21% to 24.5% chromium, about 10% to 17% nickel, about 0.15% to 0.40% nitrogen, about 1.5% maximum silicon, about 2% to 4.5% molybdenum, about 0.06% maximum phosphorus, about 0.35% maximum sulfur, residual columbium with less than about 0.04% carbon and about 0.1% to 0.6% columbium with carbon exceeding about 0.04%, and balance essentially iron.

REFERENCES:
patent: Re29313 (1977-07-01), Muta et al.
patent: 3592634 (1971-07-01), Denhard, Jr. et al.
patent: 3751244 (1973-08-01), Mimino et al.

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