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16'' ERW ASTM steel pipes
Specifications
Standard |
| 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 |
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