通用阀门材料 国标法兰用螺栓螺母材料
材料牌号 | 公称压力 PN | 温度 max℃ | 材料牌号 | 公称压力 PN | 温度 max℃ |
Q235A | ≤PN25 | 300 | 25Cr2Mo1VA | ≤PN420 | 550 |
35 | ≤PN50 | 20Cr1Mo1VNbB | 570 | ||
35CrMo | ≤PN420 | 500 | 20Cr1Mo1VTiB | ||
25Cr2MoVA | 550 | 2Cr12WMoVNbB | 600 |
This region has not yet joined our new website. You will now continue to the existing site for 网站名称