Corrosion resistant alloy

Details Corrosion resistant alloy Corrosion resistant alloy

1989-01-10

1990-04-17

Yee, Deborah

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

420 35, 420 50, 420 51, 420 61, C22C 3842, C22C 3844

Patent

active

049178601

ABSTRACT:
Alloys are provided which consist essentially of between about 4% and 18.5% by weight nickel, from about 24% to about 30% by weight chromium, from about 0.35 to about 1% by weight molybdenum, from about 2.7% to about 4.5% by weight copper, from about 2.7% to about 4.5% by weight silicon, up to about 1.5% by weight manganese, up to about 0.25% by weight nitrogen, up to about 0.8% by weight columbium (niobium), up to about 1.0% by weight tantalum, up to about 0.007% by weight boron, up to about 0.35% by weight vanadium, up to about 0.8% by weight tungsten, up to about 0.08% by weight carbon, up to about 0.6% by weight titanium and the balance essentially iron. Small amounts of cobalt as naturally occur in some ores may be present but are considered a part of the nickel content.

REFERENCES:
patent: 3785787 (1974-01-01), Yokota et al.

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