GH2909高溫合金 ISC:H29090
化學成分：C≤0.06 Cr≤1.00 Ni35.00-40.00 Al≤0.15 Nb4.30-5.20 Ti1.30-1.80 Fe余量 Si≤0.25-0.50 Mn≤1.00 P≤0.015 S≤0.015 Co B≤0.012 Cu0.500