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Product ID: 68613732
Spiral Welded Pipe
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Description
Product Introduction
Spiral Welded Pipes are steel pipes manufactured through helical forming and welding processes, featuring spiral seams for enhanced strength and large diameters. Extensively used in oil & gas transmission, hydraulic engineering, building piles, and municipal pipelines, they provide a cost-effective solution for long-distance, high-volume fluid transportation.
Spiral Welded Pipes are steel pipes manufactured through helical forming and welding processes, featuring spiral seams for enhanced strength and large diameters. Extensively used in oil & gas transmission, hydraulic engineering, building piles, and municipal pipelines, they provide a cost-effective solution for long-distance, high-volume fluid transportation.
Oil & Gas: Long-distance pipelines, subsea pipes, oil tank cofferdams
Hydraulic: Water diversion tunnel liners, drainage culverts, riverbank protection
Construction: Foundation piles, steel structure columns
Municipal: Utility tunnels, sewage discharge pipes, heating networks
Industrial: Bulk material conveyors, chimney ducts, mine tailing pipes
Advantages & Features
▪︎ High Pressure Resistance: Working pressure up to 25MPa (API 5L X70 grade)
▪︎ Efficient Production: Continuous helical forming, 30% faster than longitudinal pipes
▪︎ Adaptability: Flexible diameter & thickness adjustment, min. bend radius ≤20D
▪︎ Corrosion Protection: 3PE coating lifespan ≥50 years (ISO 21809-1 compliant)
Functions & Characteristics
▸ Welding Technology: Double Submerged Arc Welding (DSAW), 100% weld penetration
▸ Testing:NDT: X-ray (RT) / Ultrasonic (UT)
Hydrostatic Test: 1.5× working pressure held ≥30s (API 5L standard)
▸ Processability: Field welding, flanging, elbow splicing
▸ Certifications: API 5L / ISO 3183 / CE / DNV GL
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