Nickel base alloy

Details Nickel base alloy Nickel base alloy

1976-12-22

1978-06-06

Dean, R.

Metal treatment

Compositions

Heat treating

75171, C22C 1905

Patent

active

040934764

ABSTRACT:
A gamma prime strengthened nickel base alloy characterized by good hot corrosion resistance, strength, creep resistance, phase stability and stress rupture life. The alloy consists essentially of, by weight, from 12.0 to 20.0% chromium, from 4.0 to 7.0% titanium, from 1.2 to 3.5% aluminum, from 12.0 to 20.0% cobalt, from 2.0 to 4.0% molybdenum, from 0.5 to 2.5% tungsten, from 0.031 to 0.048% boron, from 0.005 to 0.15% carbon, up to 0.75% manganese, up to 0.5% silicon, up to 1.5% hafnium, up to 0.1% zirconium, up to 1.0% iron, up to 0.2% of rare earth elements that will not lower the incipient melting temperature below the solvus temperature of the gamma prime present in the alloy, up to 0.1% of elements from the group consisting of magnesium, calcium, strontium and barium, up to 6.0% of elements from the group consisting of rhenium and ruthenium, balance essentially nickel.

REFERENCES:
patent: 3667938 (1972-06-01), Boesch

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