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Heavy Wall Longitudinal Welded Steel Pipe
For industrial and construction applications demanding exceptional strength and durability, our Heavy Wall Longitudinal Welded Steel Pipe is the definitive choice. Engineered for structural integrity under high pressure and mechanical stress, this pipe is manufactured through a precision longitudinal welding process, creating a robust and consistent seam that ensures superior performance in demanding environments. Its thick-walled construction provides the necessary resilience for critical infrastructure, including piling, structural columns, high-pressure fluid transport, and heavy-load bearing systems. We offer a comprehensive range of premium products to meet diverse project specifications, including our Thick Gauge Straight Seam Welded Tube for high-tolerance applications, the Robust Wall Longitudinal Welded Pipe designed for extreme environments, the Solid Wall Straight Seam Steel Tube for uniform strength, and our Heavy Duty Thick Wall Welded Pipe built for maximum load-bearing capacity.
The manufacturing of our Heavy Wall Longitudinal Welded Steel Pipe involves state-of-the-art technology and stringent quality control protocols. We utilize high-grade steel plates or coils, which are formed and longitudinally welded using advanced methods such as Submerged Arc Welding (SAW) or Electric Resistance Welding (ERW). This process guarantees a seamless, high-strength bond along the length of the pipe. The final product undergoes rigorous non-destructive testing, including ultrasonic inspection and hydrostatic pressure tests, to verify its integrity and compliance with international standards like ASTM, API, and EN. This meticulous attention to detail ensures every length of pipe delivers reliable, long-lasting performance.
Product Specifications & Technical Data
- Material Grades: Carbon Steel (A53, A106, API 5L Gr. B, X42-X70), Alloy Steel, Stainless Steel (304, 316).
- Manufacturing Process: Longitudinal Submerged Arc Welding (LSAW) / Electric Resistance Welding (ERW).
- Key Standards: ASTM A53, ASTM A106, ASTM A252, API 5L, EN 10219, EN 10210.
- Common Applications: Piling and foundation supports, structural columns, high-pressure pipelines, mechanical and hydraulic cylinders, conveyors, and industrial plant framework.
- Surface Treatment: Bare, Black, Galvanized, 3-Layer PE Coating, FBE Coating.
| Outer Diameter (OD) | Wall Thickness (WT) | Length | Pressure Rating |
|---|---|---|---|
| 219 mm (8") - 1625 mm (64") | 6.0 mm - 50.0 mm | Single Random: 5-7m Double Random: 11-13m Custom lengths available |
Varies by specification; typically designed for pressures exceeding 300 PSI and high axial loads. |
| 323.9 mm (12.75") - 1016 mm (40") | 9.5 mm - 25.4 mm | Standard: 12 meters Cut to length per requirement |
Suitable for high-pressure fluid transmission and heavy structural piling applications. |
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