Patent ID: 6383312
Filing Date: 2002-05-07
Classification: C22C,C23C

Abstract:
A nickel base alloy, comprising: (measured in % by weight):Co 11-16; Cr 12.2-15.5; Al 6.5-7.2; Re 3.2-5.0; Si 1.0-2.5; Ta 1.5-4.5; Nb 0.2-2.0; Hf 0.2-1.2; Y 0.2-1.2; Mg 0-1.5; Zr 0-1.5; La and La-series elements 0-0.5; C 0-0.15; B 0-0.1; and a remainder including Ni with impurities wherein (Re+0.2 Co)/0.5 Cr is not less than 0.9 and Y+Zr+ (La+La-series) ranges from 0.3-2.0.