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| Shandong Zhongzheng Steel Pipe Manufacturing Co,.Ltd Specifications of the seamless steel pipe | |||
| China GB | ASTM | DIN-17175 | OD-WT |
| 10# | ASTMa106grade a ASTMa53 grade a ASTMa179-c ASTMa214-c ASTMa192 | St37-2 St35.8 St35.4 | 40-406*4-80 |
| 20# | ASTMa106grade b ASTMa53grade b ASTMa315-B ASTMa210-A-1 | St42 St45 | 40-406*4-80 |
| 16Mn | ASTMa210-c | St52.4 St52.3 St52 | 40-406*4-80 |
| 45# | ASTM 1045 | CK45 | 40-406*4-80 |
| Company: | Shandong Zhongzheng Steel Pipe Manufacturing Co., Ltd. |
| Address: | Wu Yishan Road, Liaocheng city |
| Region: | liaocheng, Shandong, China |
| Contact Person: | Ms. Cindy XU |
| Telephone: | 86-635-2928696 |