| 摘要 |
Austenitic heat-resistant nickel-base alloy comprising (in % by mass) 0.03-0.1% of C, 28-32% of Cr, 0.01-< 0.5% of Mn, 0.01-< 0.3% of Si, 0.01-< 1.0% of Mo, 2.5-3.2% of Ti, 0.01-< 0.5% of Nb, 0.01-< 0.5% of Cu, 0.05-< 2.0% of Fe, 0.7-1.0% of Al, 0.001-< 0.03% of Mg, 0.01-< 1.0% of Co, 0.01-0.10% of Hf, 0.01-0.10% of Zr, 0.002-0.02% of B, 0.001-0.01% of N, max. 0.01% of S, max. 0.005% of Pb, max. 0.0005% of Bi, max. 0.01% of Ag, balance Ni and minor components due to the production method, where the sum of Ti + Al is from 3.3 to 4.3%, the sum of C + (10 8B) is from 0.05 to 0.2%, the sum of Hf + Zr is from 0.05 to 0.15% and the Ti/Al ratio is > 3. |
