鎢鐵
鎢鐵標准規格和化學含量
| 含量 | FEW80-A | FEW80-B | FEW80-C | FEW70 |
| W | 75.0-85.0 | 75.0-85.0 | 75.0-85.0 | ≥70.0 |
| C | 0.10 | 0.30/p> | 0.40 | 0.80 |
| P | 0.03 | 0.04 | 0.05 | 0.06/p> |
| S | 0.06 | 0.07 | 0.08 | 0.10 |
| Si | 0.50 | 0.70 | 0.70 | 1.00 |
| Mn | 0.25 | 0.35 | 0.50 | 0.60 |
| Cu | 0.10 | 0.12 | 0.15 | 0.18 |
| As | 0.06 | 0.08 | 0.10 | 0.10 |
| Bi | 0.05 | - | - | - |
| Pb | 0.05 | - | - | - |
| Sb | 0.05 | 0.05 | 0.05 | 0.05 |
| Sn | 0.06 | 0.08 | 0.08 | 0.10 |
| 鎢鐵粒度 | 10-100毫米90%通過 | |||





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