Nickel-chromium-iron-aluminum alloy

Details Nickel-chromium-iron-aluminum alloy Nickel-chromium-iron-aluminum alloy

1984-05-11

1987-06-09

Dean, R.

Alloys or metallic compositions

Nickel base

Chromium containing

420446, 420447, 420448, 420449, C22C 1905

Patent

active

046719318

ABSTRACT:
A yttrium-free, nickel-chromium-iron-aluminum alloy characterized by excellent oxidation resistance at very high temperatures. The alloy consists essentially of, by weight, from 14 to 18% chromium, from 4 to 6% aluminum, from 1.5 to 8% iron, up to 12% cobalt, up to 1% manganese, up to 1% molybdenum, up to 1% silicon, up to 0.25% carbon, up to 0.03% boron, up to 1% tungsten, up to 0.5% tantalum, up to 0.2% titanium, up to 0.5% hafnium, up to 0.2% zirconium, up to 0.2% rhenium, balance essentially nickel. The nickel plus the cobalt content is at least 66%.

REFERENCES:
patent: 2460590 (1949-02-01), Lohr
patent: 4460542 (1984-07-01), Herchenroeder

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