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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| SY/T 6423.5-2014 |
Petroleum and natural gas industries-Non-destructive testing (NDT) methods of steel tubes. Part 5: Digital radiographic testing of the weld seam of welded steel tubes for the detection of imperfections 石油天然气工业 钢管无损检测方法 第5部分：焊接钢管焊缝缺欠的数字射线检测 |
China Oil & Gas Industry
Standards Methods radiographic |
 English PDF |
| 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 |
China Oil & Gas Industry
Standards Methods radiographic |
English PDF |
| SY/T 4056-1993 |
Methods for radiographic inspection and quality classification of welded girth butt joints in oil and gas steel pipeline |
China Oil & Gas Industry
Standards Methods radiographic |
English PDF |
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