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Chinese Standard: GB/T 27866-2011

Specification of controlling weld hardness of carbon steel and low alloy steel piping and equipment to prevent sulfide stress cracking

全国石油天然气标准化技术委员会(SAC/TC 355)

本标准规定了防止钢制管道和设备焊缝在湿含硫化氢酸性油气环境中发生硫化物应力开裂(SSC)的硬度控制要求。
本标准适用于SY/T 0599规定的可用于酸性环境SSC 1区、2区和3区的抗SSC低碳钢、低合金钢管道和设备的焊缝。
 本标准适用的设备包括压力容器、工艺管道、热交换器、常压储罐、阀体、泵和压缩机壳体等。

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