Patent ID: 8066938

Claim:
A nickel-chromium-cobalt based alloy having a composition comprised in weight percent of: 17 to 22 chromium 8 to 15 cobalt 4.0 to 9.1 molybdenum up to 7.0 tungsten 1.39 to 1.65 aluminum 1.50 to 2.30 titanium up to 0.80 niobium 0.01 to 0.2 carbon up to 0.015 boron up to 1.5 tantalum less than 0.02 zirconium with a balance of nickel and impurities, the alloy further satisfying the following compositional relationships defined with elemental quantities being in terms of weight percent: 2.2<Al+0.56Ti+0.29Nb<2.9 6.5<Mo+0.52W≦9.1.