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| |  | | | | | | The 16” ERW production line introduced from Germany can produce all kinds of steel pipes for petroleum, machinery, chemicals and mining industry. The annual capacity of ERW pipe is 200,000 tons. Product standardStandard | | Code of standard | China National Standard | GB | 9711.1、9253.2 | American Petroleum Institute | API | 5CT、5B | International Organization for Standardization | ISO | 11960、10422 | The United States Society for Testing and Materials | ASTM | A370、E112、E45 |
Pipe Size ERW line pipe steel grade: API 5L A、B X42-X70 O.D.
(mm) | Φ139.7 | Φ159 | Φ168.3 | Φ219.1 | Φ228.6 | Φ244.5 | Φ273.1 | Φ323.9 | Φ325 | Φ339.7 | Φ377 | Φ406.4 | Φ426 | W.T.
(mm) | 3.20~
12.7 | 3.60~12.7 | 3.75~12.7 | 4.40~12.7 | 4.80~12.7 | 4.80~12.7 | 5.20~12.7 | 5.60~12.7 | 5.60~12.7 | 5.60~12.7 | 5.60~12.7 | 5.60~12.7 | 5.60~12.7 |
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|  |  | | ERW pipe production line | ERW pipe |
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