Heat and corrosion resistant alloys

Details Heat and corrosion resistant alloys Heat and corrosion resistant alloys

1989-09-27

1990-05-22

Roy, Upendra

Alloys or metallic compositions

Containing over 50 per cent metal but no base metal

Iron containing

C22C 3002

Patent

active

049276026

ABSTRACT:
Heat and corrosion resistant alloys suitable for use in the manufacture of structral parts for industrial furnaces and like installations where such parts must possess high resistance to oxidation in addition to exceptional levels of hot strength, and which can be air melted and cast or forged. The alloys consist essentially of between about 35% and about 46% by weight nickel, between about 25% and about 29% by weight chromium, between about 10% and about 13% by weight cobalt, between about 5.5% and about 8% by weight tungsten, between about 0.2% and about 1.5% by weight columbium (niobium), between about 0.2% and about 1.5% by weight zirconium, from about 0.05% to about 0.5% by weight titanium, between about 0.3% and about 0.9% by weight carbon, up to about 1.5% by weight manganese, up to about 2% by weight silicon, up to about 0.3% nitrogen and the balance essentially iron.

REFERENCES:
patent: 3127265 (1964-03-01), Avery
patent: 4443406 (1984-04-01), Sykekawa et al.

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