SY/T 6423.1-2013 China
industry
standard english version:
SY
中华人民共和国
行业标准
INDUSTRY
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
SY/T 6423.1-2013
Petroleum and natural gas industries. Non-destructive testing (NDT) methods of steel tubes. Part 1; Radiographic testing of weld seam of welded steel tubes for detection of imperfections 石油天然气工业 钢管无损检测方法 第1部分:焊接钢管焊缝缺欠的射线检测
Issued Date:2013-11-28
Implemented Date:2014-04-01
Issued by:
The Standardization Administration of the People's Republic of China
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