For L485 straight seam pipe, L485 straight seam pipe prices, L485 straight seam pipe standards, L485 ERW straight seam pipe L485 LSAW longitudinally welded pipes, 13315713161 0317-5128121 www.18pipeline.com I plant straight seam steel pipe manufacturing and scale of the northern region manufacturers, 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 of X65 , X70, L245, L290, L360, L415, L485, etc.; straight seam pipe size 1/4 inch to 20-inch (outer diameter Φ57mm to Φ660mm), wall thickness 3mm ~ 22mm ERW ,325-1620mm, wall thickness of 8 ~ 88mm submerged arc welding straight seam steel pipe, straight seam steel pipe in accordance with the national standard GB/T3091-2001 GB/T13793-92, GB/T6728-2002, API 5L, GB/T9711.1 GB/T9711.2 organization of production; welding thick-walled roll tube 400-4000 * 8-125mm thermal expansion pipe 273-1020 * 5-26mm, product sales throughout the country and in South Asia, the products are mainly used large span Wangjiagongcheng, water gas pipeline construction, 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.