This document specifies the manufacturing requirements for welded steel pipes (hereinafter referred to as “welded pipes”) and seamless steel pipes (hereinafter referred to as “seamless pipes”) for the pipeline transportation systems of petroleum and natural gas industries, which include two product specification levels (PSL 1 and PSL 2).
Basic Data
Standard ID
GB/T 9711-2023 (GB/T9711-2023)
Description (Translated English)
Petroleum and natural gas industries - Steel pipe for pipeline transportation systems
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
E16
Classification of International Standard
75.200, 77.140.75
Word Count Estimation
31,341
Date of Issue
2023-11-27
Date of Implementation
2024-03-01
Older Standard (superseded by this standard)
GB/T 9711-2017
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
