阀门零部件 阀瓣盖和对开圆环材料
| 零件名称 | 材料 | 标准号 | 热处理 | 
| 阀瓣盖 | Q235 | GB/T 700 | — | 
| 0Cr18Ni9 | GB/T 1220 | 固溶处理 | |
| 0Cr17Ni12Mo2 | |||
| 对外圆环 | Q235 | GB/T 700 | — | 
| 1Cr18Ni9 | GB/T 1220 | 固溶处理 | |
| 0Cr18Ni12Mo2Ti | 
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