China 'GB/T 23802-2015
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23802-2015
Petroleum and natural gas industries—Corrosion-resistant alloy seamless tubes for use as casing,tubing and coupling stock—Technical delivery conditions 石油天然气工业 套管、油管和接箍毛坯用耐腐蚀合金无缝管交货技术条件
Issued Date:2015-05-15
Implemented Date:2015-09-01
Issued by:
The Standardization Administration of the People's Republic of China