



| 品牌 | 其他品牌 |
|---|

| 序号 NO | 材料标准 零件名称 | 材料牌号Stamdard | ||||
|---|---|---|---|---|---|---|
| 碳钢 | 不锈钢 | |||||
| GB | ASTM | GB | ASTM | |||
| 01 | 双头螺母Stud | 35CrMoA | A193-B7 | 1Cr17Ni2 | A193-B8M | |
| 02 | 螺母Nut | 45 | A194-2H | OCr18Ni | A194-8M | |
| 03 | 底盖Lower cover | 25 | A105 | 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti | F304/F316/ F304L/F316L | |
| 04 | 垫圈Gasket | 氟橡胶;PTFE;金属夹石墨Viton ; PTFE; Me backed graphite | ||||
| 05 | 止推轴承Lover stem | 金属夹PTFEMe backed graphite | ||||
| 06 | 下阀杆轴承 | 金属夹 | ||||
| 07 | 下阀杆Lover stem | 2Cr13 | A276-410 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | F304/F316/F304L/F316L | |
| 08 | 球体Ball | ZG1Cr18Ni9Ti 渗氮 | CF8渗氮 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti 渗氮 | F304/F316/F304L/F316L 渗氮 | |
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