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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 27866-2011 |
Specification of controlling weld hardness of carbon steel and low alloy steel piping and equipment to prevent sulfide stress cracking 控制钢制管道和设备焊缝硬度防止硫化物应力开裂技术规范 |
China National Standards Specification controlling weld |
 English PDF |
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