油气输送用钢制感应加热弯管
Steel bends for oil and gas transmission
2012-08-23
T/CIET 1634-2025
掺氢天然气输送用钢制（L360）感应加热弯管
2025-08-15
GB/T 29168.1-2021
石油天然气工业 管道输送系统用感应加热弯管、管件和法兰 第1部分：感应加热弯管
Petroleum and natural gas industries—Induction bends, fittings and flanges for pipeline transportation systems—Part 1: Induction bends
2021-08-20
GB/T 29168.2-2012
石油天然气工业 管道输送系统用感应加热弯管、管件和法兰 第2部分：管件
Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 2: Fittings
2012-12-31
GB/T 29168.3-2012
石油天然气工业 管道输送系统用感应加热弯管、管件和法兰 第3部分：法兰
Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 3: Flanges