通用阀门材料 阀门常用碳素钢材料的化学成分
牌号 | 含量,%(除给出范围外,含量均为最大值) | |||||||||
C | Mn | P | S | Si | Cu | Ni | Cr | Mo | V | |
A105 | 0.35 | 0.60~1.05 | 0.035 | 0.04 | 0.10~0.35 | 0.40 | 0.40 | 0.30 | 0.12 | 0.08 |
25 | 0.22~0.29 | 0.50~0.80 | 0.035 | 0.035 | 0.17~0.37 | 0.25 | 0.30 | 0.25 | — | — |
25Mn | 0.22~0.29 | 0.70~1.00 | 0.35 | 0.35 | 0.17~0.37 | 0.25 | 0.30 | 0.25 | — | — |
ZG205-415 WCA |
0.25 | 0.70 | 0.04 | 0.045 | 0.60 | 0.30 | 0.50 | 0.50 | 0.25 | 0.03 |
ZG205-485 WCB |
0.30 | 1.00 | 0.04 | 0.045 | 0.60 | 0.30 | 0.50 | 0.50 | 0.25 | 0.03 |
ZG275-485 WCC |
0.25 | 1.20 | 0.04 | 0.045 | 0.60 | 0.30 | 0.50 | 0.50 | 0.25 | 0.03 |
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