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锅炉管道附件承压铸钢件 技术条件、检查和验收_阀门标准
锅炉管道附件承压铸钢件 技术条件、检查和验收
| 钢 号 | 检 查 项 目 | ||||
| σb | σs | δ5 | ψ | αku | |
| ZG200-400 | √ | √ | √ | × | × |
| ZG230-450 | √ | √ | √ | √ | √ |
| ZG20CrMo | √ | √ | √ | √ | √ |
| ZG20CrMoV | √ | √ | √ | √ | √ |
| ZG15Cr1Mo1V | √ | √ | √ | √ | √ |
| 注：√表示有要求，×表示不要求。 | |||||
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