(DD8)单晶高温合金 化学成分
元素 | C | Cr | Ni | Co | W | Al | Ti | Al+Ti |
质量分数/﹪ | ﹤0.03 | 15.50~16.50 | 余 | 8.00~9.00 | 5.60~6.40 | 3.60~4.20 | 3.60~4.20 | 7.50~7.9 |
元素 | Ta | Fe | B | Zr | Mn | Si | P | S |
质量分数/﹪ | 0.7~1.20 | ≤0.50 | ≤0.005 | ≤0.007 | ≤0.150 | ≤0.150 | ≤0.010 | ≤0.010 |
元素 | Mg | Cu | Pb | Bi | Sn | As | [O] | [N] |
质量分数/﹪ | ≤0.003 | ≤0.100 | ≤0.001 | ≤0.0001 | ≤0.002 | ≤0.005 | ≤0.001 | ≤0.0012 |