China Spiral Welded Steel Pipes Supplier, Manufacturer and Factory

Spiral Welded Steel Pipes

Spiral welded steel pipes are large-diameter steel pipes formed by spirally welding steel coils, commonly used for water transmission, oil and gas pipelines, drainage systems, piling, and other infrastructure projects. Rongheng supplies spiral welded pipes in different diameters, wall thicknesses, steel grades, and coating options to meet project-specific requirements.

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Hot-Dip Galvanized Spiral Steel Pipe

Hot-Dip Galvanized Spiral Steel Pipe is manufactured from hot-rolled steel strip through spiral forming, double-sided submerged arc welding and subsequent hot-dip galvanizing. It is designed for large-diameter water transmission, drainage, foundation, industrial piping and outdoor projects where both structural strength and corrosion protection are required. Available in DN200–DN3000, with Q235B and Q355B grades, 3–20 mm wall thickness and customized lengths and end processing.

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Spiral Welded Steel Pipe

Rongheng Spiral Welded Steel Pipe is manufactured from hot-rolled steel strip using automatic double-sided submerged arc welding and CNC spiral forming. Available in diameters from 219 mm to 3,620 mm and wall thicknesses from 6 mm to 30 mm, it covers Q235B, Q355B and L245–L485 pipeline steel grades. The pipe is designed for large-diameter water, drainage, oil and gas, piling and infrastructure projects, with options for fixed lengths, end beveling and external corrosion protection.

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As a reliable Spiral Welded Steel Pipes manufacturer and supplier in China, we have our own factory. If you want to buy high-quality steel pipes, steel profiles or customized steel products, please contact us.