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国内阀门材料常用技术标准 碳化钨粉的化学成分_阀门标准
国内阀门材料常用技术标准 碳化钨粉的化学成分
| 型 号 | C | Si | Ni | Mo | Co | W | Fe | Th |
| EDGWC1-×× | 3.6～4.2 | ≤0.3 | ≤0.3 | ≤0.6 | ≤0.3 | ≥94.0 | ≤1.0 | ≤0.01 |
| EDGWC2-×× | 6.0～6.2 | ≥91.5 | ≤0.5 | |||||
| EDGWC3-×× | 由供需双方商定 | |||||||
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