三联冶炼GH4169合金研究进展

杜金辉, 毕中南, 曲敬龙

Recent Development of Triple Melt GH4169 Alloy

DU Jinhui, BI Zhongnan, QU Jinglong

表1 GH4169合金主要化学成分 (mass fraction / %)

Table 1 Chemical compositions of GH4169 alloy

Grade C Cr Ni Co Nb Mo Al Ti Fe Normal 0.015-0.060 17.00-21.00 50.00-55.00 ≤ 1.00 4.75-5.50 2.80-3.30 0.30-0.70 0.75-1.15 Bal. Premium 0.015-0.060 17.00-21.00 50.00-55.00 ≤ 1.00 5.00-5.50 2.80-3.30 0.30-0.70 0.75-1.15 Bal. High purity 0.012-0.036 17.00-19.00 52.00-55.00 ≤ 1.00 5.20-5.55 2.80-3.15 0.35-0.65 0.75-1.15 16.00-19.00 Grade Si Cu Mn Mg P S N O B Normal ≤ 0.35 ≤ 0.30 ≤ 0.35 ≤ 0.010 ≤ 0.015 ≤ 0.0080 - - ≤ 0.006 Premium ≤ 0.35 ≤ 0.30 ≤ 0.35 ≤ 0.005 ≤ 0.015 ≤ 0.0020 0.01 0.0050 ≤ 0.006 High purity ≤ 0.35 ≤ 0.30 ≤ 0.35 ≤ 0.003 0.007-0.015 ≤ 0.0010 0.01 0.0025 ≤ 0.006