ERW355mm API petroleum high frequency straight seam welded pipe production line is mainly used to produce oil and gas transmission pipes with a length of 6m to 12m and a diameter of φ114.3～φ355.6mm and a pipe thickness of 4.0～12.7mm. The machine is equipped with annealing equipment and can produce high-strength welded pipes as ASTM oil and gas pipelines, as well as API 5L X70 pipelines. The machine has the characteristics of advanced technology, reliable equipment, complete technology, and mature production. The rough forming of this machine adopts advanced F.F.X technology, which has stable forming, high quality, and convenient roller change. It consists of rough forming and precise forming. The rough forming section can adapt to various specifications.
Basic Parameters
| Item name | Technical Parameters |
| Raw material | Low carbon steel, low alloy steel Q195, Q235, Q355 and high strength steel X42-X80 etc. |
| Total power | About 5000KVA |
| High frequency welding machine | 1000kw |
| Roll weight | ≤25T |
| Round tube | Φ114.3mm～φ355.6mm，Tube thickness: 4.0～12.7mm |
| Tube mill speed | 10-35m/min |
| Tube length | 6-12m |
| Recommended plant dimension | 300m×2m×28m (Customized design can be made according to the customer's workshop） |
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