High frequency high precision full automatic ERW Pipe mill line machine designed for manufacturing welded steel pipes with diameters of Φ32mm-Φ140mm and wall thickness of 1.0mm-5.0mm. Capable of producing square pipes ranging from 25*25mm to 110*110mm.
The ERW tube mill & pipe mill transforms steel strips into longitudinal weld seam tubes through these stages:
| Raw material | Low-carbon steel, low alloy steel (δs≤345Mpa) |
| Material options | Hot or cold rolled steel strips, galvanized steel strips |
| Steel strip thickness | 1.0-3.5mm |
| Steel strip width | 60-240mm |
| Coil dimensions (ID/OD) | Φ450-Φ550mm / Φ800-Φ1200mm |
| Maximum coil weight | 2500kgs |
| Pipe Type | Dimensions | Thickness |
|---|---|---|
| Round Pipe | 32-140mm | 1.0-5.0mm |
| Square Pipe | 25*25-110*110mm | 1.0-4.0mm |
| Rectangular Pipe | 20*30-90*120mm | 1.0-4.0mm |
| H.F. Welder | GGP300Kw Solid State High Frequency Welder |
| Line Speed | Max. 70m/min |
| Tube Length | 6-12m |
| Cutting Accuracy | ±3mm |
| Electric installed capacity | Approx. 500KW |
| Line dimensions | About 80×9m |