Heat resisting alloys

Details Heat resisting alloys Heat resisting alloys

1975-04-18

1976-11-23

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

C22C 3000

Patent

active

039934756

ABSTRACT:
A new alloy is provided having high creep strength at elevated temperatures in the range 1100.degree. to 1200.degree. C. and which is unusually resistant to corrosion and thermal shock and has unusual stress rupture characteristics at the elevated temperatures here involved consisting essentially of, by weight, about 0.3% to 0.9% carbon, 20% to 30% chromium, 26% to 40% nickel, 0.8% to 4.0% manganese, 0.9% to 3.5% silicon, 0.3% to 5.0% tungsten, 3.5% to 8.5% cobalt and the balance iron with residual impurities in ordinary amounts.

REFERENCES:
patent: 2481976 (1949-09-01), Cape
patent: 2504453 (1950-04-01), Rotherham et al.
patent: 2860968 (1958-11-01), Boegehold et al.
patent: 3366473 (1968-01-01), Nehrenberg et al.

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