High Strength And Durability 500 600 800 1000 Diameter LSAW Steel Pipe For Structural Support and Piling

Straight seam submerged arc welded steel pipes are manufactured using coil steel as raw material, formed through cold rolling, and welded using an automatic double-wire double-sided submerged arc welding process to produce spiral seam steel pipes. This production method features a simple process, high efficiency, low cost, and rapid development.