China 'GB/T 23512-2025
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23512-2025
Petroleum and Natural Gas Industry - Evaluation and Testing of Thread Compounds for Casing, Tubing, Line Pipe, and Drill String Components 石油天然气工业 - 套管、油管、管线管和钻柱构件用螺纹脂的评价与试验
Issued Date:2025/10/5
Implemented Date:2026/5/1
Issued by:
The Standardization Administration of the People's Republic of China