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| 化学成份 | ||||||||
| 类型 | 化学成份 | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| 低铬铸球 | 2.2-3.5 | ≤1.2 | ≤1.5 | 0.8-3.5 | ≤1.0 | ≤0.5 | ≤0.15 | ≤0.15 |
| 中铬铸球 | 2.0-3.3 | ≤1.2 | ≤1.8 | 4.0-9.0 | ≤1.5 | ≤1.0 | ≤0.15 | ≤0.15 |
| 高铬铸球 | 1.6-3.3 | ≤1.0 | ≤2.5 | 10-18 | ≤1.0 | ≤1.5 | ≤0.10 | ≤0.10 |
| 特高铬铸球 | 2.0-3.3 | ≤1.0 | ≤2.5 | 22-25 | <2.0 | ≤1.5 | ≤0.10 | ≤0.10 |