For L360 straight seam pipe, L360 straight seam pipe prices, L360 straight seam pipe standard, L360ERW straight seam pipe, L360 LSAW straight seam pipe 13315713161 0317-5128121 www.18pipeline.com and scale of the northern region straight seam steel pipe manufacturing factory The company has a world-class straight seam steel pipe production, testing and inspection equipment, straight seam steel pipe of the annual production capacity of 400,000 tons, straight seam steel material: Q235B, 20 #, Q345B, X42, X46, X52, X56, X60, X65, X70, L245, L290, L360, L415, L485; straight seam pipe size 1/4 inch to 20-inch (outside diameter Φ57mm to Φ660mm), wall thickness 3mm ~ 22mm ERW ,325-1620mm, wall thickness 8 ~ 88mm submerged arc welding straight seam steel pipe, straight seam pipe in accordance with the national standards GB/T3091-2001 GB/T13793-92 GB/T6728-2002, API 5L, GB/T9711.1, GB/T9711.2 organization production; welding thick-walled volumes pipe 400-4000 * 8-125mm thermal expansion pipe 273-1020 * 5-26mm, product sales throughout the country and in South Asia the large span Wangjiagongcheng, water gas pipelines, building products are mainly used , electrical engineering, mechanical, bridge beams, steel structure, foundation piling and other supporting facilities. My company "in good faith principle, the quality of survival, to the credibility of development", welcome new and old customers coming in contact.