通用阀门材料 GB 150 螺柱、螺母材料组合
螺柱 | 螺母 | 温度 ℃ | 螺柱 | 螺母 | 温度 ℃ |
35 | Q235A | >-20~300 | 25Cr2MoVA | 25Cr2MoVA | >-20~550 |
35CrMoVA |
35CrMoA 35CrMoVA |
>-20~500 | |||
35 | 15 | >-20~350 | 1Cr5Mo | 1Cr5Mo | >-20~600 |
40MnB、40MnVB 40Cr |
35、40Mn、45 | >-20~400 | 2Cr13 | 1Cr13、2Cr13 | >-20~450 |
30CrMoA | 30CrMoA | -100~500 | 0Cr19Ni9* | 25Cr2MoVA | >-20~550 |
35CrMoA | 40Mn、45 | >-20~400 | 0Cr19Ni9 | -196~700 | |
30CrMoA 35CrMoA | -100~500 | 0Cr17Ni12Mo2 | 0Cr17Ni12Mo2 | -196~700 | |
25Cr2MoVA | 30CrMoA | >-20~500 |
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