Sell Double-Side Spiral Submerged-ARC Welded Steel Pipe

This product makes the hot-rolling strip as the material, under normal atmospheric temperature spiraling and shaping and shaping, made by automatic submerged arc welded technology. Our products carry out API Spec 5L, GB/T9711.1, GB/T9711.2 standard. Mainly used in petroleum, natural gas industry to transfer flammable and non-flammable fluid and steel pipe construction .We own 6 sets of modernized production line. Our company produce 219- 1820mm ,wall thickness 5-20mm , steel grade B-X70 400,000 tons every year .