Standard No.:	GB/T 27866-2011
English Name:	Specification of controlling weld hardness of carbon steel and low alloy steel piping and equipment to prevent sulfide stress cracking
Chinese Name:	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
Chinese Classification:	E24    Natural gas
Professional Classification:	GB    National Standard
Issued by:	AQSIQ; SAC
Issued on:	2011-12-30
Implemented on:	2012-6-1
Status:	superseded
Superseded by:	GB/T 27866-2023 Specification of controlling weld hardness of steel pipe and equipment to prevent sulfide stress cracking
Superseded on:	2024-3-1
Language:	English
File Format:	PDF
Word Count:	8000 words
Price(USD):	240.00
Delivery:	via email in 1~3 business day

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。