I. Product Material
Q235 carbon structural steel, with excellent welding performance, good overall toughness, and high cost performance, suitable for conventional fluid conveying and civil engineering applications.
II. Product Function
1. Main pipelines for long-distance transportation of municipal sewage and tap water;
2. Low-pressure gas and oil-gas conveying pipelines;
3. Bridge pile foundations, steel structure columns, and steel pipes for foundation pit support;
4. Ventilation and sewage discharge pipelines for power plants and mines.
III. Specifications
Parameter Item | Production Range |
Pipe Outer Diameter | Φ219mm–Φ3200mm; extra-large diameters can be customized |
Pipe Wall Thickness | 6mm–22mm |
Standard Single Length | 6m, 12m; cut-to-length service available as required |
Forming Process | Spiral submerged arc automatic welding |
IV. Product Advantages
The spiral weld seam provides balanced stress distribution and stable pressure-bearing performance. Large-diameter processing offers low production cost, and 3PE coating or epoxy coal tar anti-corrosion treatment is available. The long single-pipe length reduces on-site welding joints and improves construction efficiency.