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Produced by welding or seamless forming followed by hot-dip galvanizing, which applies a uniform zinc coating for excellent corrosion resistance. Features smooth internal and external surfaces, good ductility, and strong coating adhesion.
Produced by welding or seamless forming followed by hot-dip galvanizing, which applies a uniform zinc coating for excellent corrosion resistance. Features smooth internal and external surfaces, good ductility, and strong coating adhesion.
Produced by forming steel coil or plate into a tubular shape and welding the longitudinal seam using high-frequency ERW (for small to medium diameters) or submerged arc welding LSAW (for large diameters). Features uniform wall thickness, good dimensional accuracy, smooth weld seam, and cost-effective production.
Produced by cold drawing, roll forming, or welding followed by reshaping processes to achieve non-standard cross-sectional profiles. Features precise dimensional tolerances, uniform wall thickness, good surface finish, and consistent mechanical properties.
Polyurethane anti-corrosion steel pipe
Manufactured by spray or pour application of two-component liquid polyurethane (PU) onto blast-cleaned steel pipe surface, forming a seamless, elastomeric protective layer. Features excellent abrasion resistance, high mechanical strength, good cathodic disbondment resistance, and outstanding resistance to impact, cavitation, and seawater.
Manufactured by applying thermosetting or thermoplastic powder (polyethylene PE or epoxy EP) onto the internal and/or external surface of steel pipe through electrostatic spraying, fluidized bed, or extrusion processes, followed by heat curing. Features excellent corrosion resistance, good chemical resistance, smooth inner surface for low friction, and strong adhesion.
Produced by helically forming steel coil into a tubular shape and welding the spiral seam using submerged arc welding (double-sided or single-sided). Features wide diameter range, good dimensional consistency, high strength, and cost-effective production for large diameters.
Manufactured by seamless or welded process (ERW, LSAW, SSAW) from high-strength carbon steel, designed for crude oil, refined petroleum product, and natural gas transmission. Features high pressure resistance, excellent low-temperature toughness, good weldability, and uniform dimensional accuracy.
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