Home / Standards / GB/T 27866-2011 GB/T 27866-2011 Abolished 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 Standard Type GBT ICS 75.200 CCS E98 Status 废止 Issue Date 2011-12-30 Implementation 2012-06-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委