China 'GB/T 23512-2015
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23512-2015
Petroleum and natural gas industries—Evaluation and testing of thread compounds for use with casing, tubing, line pipe and drill stem elements 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:2015-05-15
Implemented Date:2015-09-01
Issued by:
The Standardization Administration of the People's Republic of China