33.7mm & 48.3mm X60 X80 Welded Steel Pipes for Agricultural Irrigation and Industrial Applications
Welded steel pipes are manufactured from steel plates or strips that are curled, formed, and welded. Available in standard 6-meter lengths, these pipes offer efficient production with simple processes, high output rates, and versatile specifications at competitive costs.
- Outer Diameters: 33.7mm, 48.3mm, and custom sizes
- Material Grades: X60, X80, Q235A, Q235B, Q235C, 16Mn, 20#, Q345, L245, L290, X42, X46
- Standard Length: 6 meters
- Wall Thickness: Various options available
- Arc Welded Pipe
- Resistance Welded Pipe (High/Low Frequency)
- Gas Welded Pipe
- Furnace Welded Pipe
- Straight Seam Welded Pipes - Simple production, high efficiency, cost-effective
- Spiral Welded Pipes - Higher strength, suitable for larger diameters
- Agricultural Irrigation Systems
- Water Supply and Drainage Projects
- Petrochemical and Chemical Industries
- Power Generation Facilities
- Urban Construction and Infrastructure
- Gas Transportation (Natural Gas, LPG)
- Structural Applications (Bridges, Piling, Buildings)
- GB/T3091-2008 - Low-Pressure Fluid Transportation
- GB/T14291-2006 - Mining Fluid Transportation
- GB/T12770-2002 - Mechanical Structures
- GB/T12771-1991 - Fluid Transportation (Corrosive Media)
- SY5036-83 - Pressure Fluid Transportation (Spiral Submerged Arc)
| DN Size | Welded Pipe (Ordinary) | Welded Pipe (Thickened) | Seamless Pipe (Hot Rolled) | Spiral Welded Pipe |
|---|---|---|---|---|
| DN15 | 21.3×2.75 (1.25 kg/m) | 21.3×3.25 (1.44 kg/m) | ---- | ---- |
| DN20 | 26.8×2.75 (1.63 kg/m) | 26.8×3.5 (2.01 kg/m) | ---- | ---- |
| DN25 | 33.5×3.25 (2.42 kg/m) | 33.5×4 (2.91 kg/m) | 32×3.5 (2.46 kg/m) | ---- |
| DN32 | 42.3×3.25 (3.13 kg/m) | 42.3×4 (3.77 kg/m) | 38×3.5 (2.98 kg/m) | ---- |
| DN40 | 48×3.5 (3.84 kg/m) | 48×4.25 (4.58 kg/m) | 45×3.5 (3.58 kg/m) | ---- |
Strict adherence to national production standards with comprehensive quality control procedures.
Factory-direct pricing with competitive market rates and volume discounts.
Secure transactions with comprehensive after-sales support and long-term partnership opportunities.
Manufactured from steel strips through uncoiling, flattening, curling, and welding processes.
Ideal for oil and gas transportation, piling applications, and bridge construction.
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