Welcome to Aogang
Aogang Machinery Co., Ltd.
Aogang Machinery Co., Ltd.
With the global surge in investment in renewable energy, the solar mounting industry is experiencing rapid growth. A customer from Saudi Arabia, after evaluating their production capacity and future market demand, decided to upgrade their existing small-scale production line. They ultimately chose Aogang as a trusted partner and ordered an advanced ERW254 high-frequency welded tube mill line.
The equipment can produce round tubes up to 254mm in diameter, square and rectangular tubes, as well as special profiles such as D-shaped and O-shaped tubes. It is widely used in solar mounting systems, structural pipes, construction tubing, and more, meeting various market demands.
Depending on the tube shape and wall thickness, the line can run continuously at speeds ranging from 10 to 50 meters per minute, significantly increasing output while lowering unit cost — especially suitable for medium- to large-scale production.
The line adopts a high-strength frame and precision roll forming stands. The drive system uses AC motors with gearboxes and variable frequency control to ensure smooth forming with low noise and minimal vibration. Various configurations can be customized to suit different plant layouts.
Equipped with a PLC-based control system and touch screen interface, the line integrates speed control, fault diagnostics, and parameter memory. It’s user-friendly, highly automated, and reduces manual intervention while enhancing operational efficiency.
Aogang provides full lifecycle support—from design and manufacturing to installation and commissioning. For this project, our engineers were dispatched to Saudi Arabia during the Spring Festival to ensure timely installation and troubleshooting. The line is now running smoothly, and the customer’s products are successfully exported to multiple European countries.
Parameters can be customized according to customer requirements.
| Item | Specification |
| Tube Diameter Range | Φ89mm – Φ254mm (Max. square/rectangular side up to 200mm) |
| Wall Thickness Range | 2.0mm – 10.0mm (adjustable based on material) |
| Forming Speed | 10 – 50 m/min (depending on shape and thickness) |
| Material Type | Carbon steel, galvanized steel, stainless steel |
| Forming Method | High-frequency electric resistance welding (ERW) |
| Welding Method | Solid-state high-frequency induction welding |
| Forming Process | Direct forming (square/rectangular tube) |
| Drive Method | AC motor + gearbox drive with frequency control |
| Control System | PLC automatic control with touch screen |
| Main Equipment | Precision roll stands, welding unit, water cooling system, sizing section, flying saw cutting, run-out table, etc. |
| Cutting Method | Metal circular flying saw |
| Floor Space | Approx. 50m x 5m (depending on plant layout) |
| Power Requirement | 380V / 50Hz (3-phase) |
Material Type: Cold-rolled steel strip (CR), hot-rolled steel strip (HR), galvanized steel strip (optional)
Steel Grade: Carbon steel (e.g., Q195, Q235, SS400); compatible with stainless or special steel upon request
Strip Width: Auto-calculated based on pipe diameter; typical range approx. 60mm–200mm
Strip Thickness: 0.8mm – 3.0mm
Inner Diameter (ID): 508mm (standard coil ID)
Outer Diameter (OD): ≤φ1800mm (adjustable based on decoiler specification)
Coil Weight: Typically 5–15 tons per coil (based on uncoiler capacity)
Yield Strength: 235–500 MPa (selected based on forming performance and final product use)
Edge Condition: Deburred, free of severe waviness or folds, clean edges for optimal welding
Surface Quality: Free of rust, oxide scale, oil stains, or other defects that affect welding and forming
Slitting Tolerance: Width tolerance ±0.2mm; straight and smooth edges
Reach out today to see how Aogang can support your tube mill needs
