| Attribute | Value |
|---|---|
| Product name | Straight Seam 3mm HF Welded Automatic Tube Mill for Construction Pipe |
| Tube shape | Square and rectangular |
| Equipment Specification | Customer specified |
| Forming method | Roller Squeeze |
| Welding method | High frequency induction welding |
| Speed | 80 m/min |
| Warranty | One year |
| Material | Low carbon HRC |
| Forming type | Direct forming |
| Work shop | 120 x 10 m, H>7m (crane to ground) |
This high precision high frequency welded pipe production line is designed for manufacturing square and rectangular pipes. The system features a double-radius hole design to enhance operational performance, production efficiency, and product stability while reducing roll costs.
| 1. Loading car | 2. Uncoiler |
| 3. Straightener unit | 4. Flattener unit |
| 5. Automatic Shear & Welder | 6. Accumulator |
| 7. Forming & Sizing | 8. Cold saw / Milling saw / Flying saw |
| 9. Transit roller + Unloading Rack | 10. Automatic palletizing machine |
| 11. Roller | 12. High frequency welder |
| Model | Side Length Range | Thickness | Production Speed (m/min) | Motor Power (KW) | Mechanical Area (m³) |
|---|---|---|---|---|---|
| HG20 | 6×6-16×16 mm | 0.3-1 mm | 30-120 | 55 | 7×50 |
| HG32 | 9×9-25×25 mm | 0.3-2.0 mm | 30-120 | 75 | 7×50 |
| HG50 | 12×12-40×40 mm | 0.8-2.5 mm | 30-110 | 110 | 7×60 |
| HG60 | 15×15-47×47 mm | 0.8-3 mm | 30-100 | 132 | 7×65 |
| HG76 | 9×9-60×60 mm | 1-3 mm | 30-100 | 320 | 8×80 |
| HG89 | 25×25-70×70 mm | 1-4 mm | 30-80 | 350 | 8×80 |
| HG114 | 35×35-89×89 mm | 1.5-5.0 mm | 30-60 | 400 | 10×100 |
| HG165 | 47×47-129×129 mm | 3-7 mm | 30-50 | 600 | 10×110 |
| HG219 | 89×89-172×172 mm | 4-8 mm | 20-40 | 800 | 12×150 |
| HG273 | 89×89-214×214 mm | 4-10 mm | 15-30 | 1000 | 18×160 |
| HG325 | 129×129-255×255 mm | 4-12 mm | 10-30 | 1200 | 18×180 |
| HG426 | 129×129-335×335 mm | 4-16 mm | 8-25 | 1400 | 18×180 |
| HG508 | 172×172-400×400 mm | 4-20 mm | 8-20 | 2000 | 21×180 |
Recent technology expansion: Now available for square welded pipes up to 600×600mm (HG600) and round welded pipes up to 765mm diameter (HG765).