ISO 3183 L485/X70 PSL1 LSAW pipeline divides into seamless steel pipe and welded steel pipe, ISO 3183 L485/X70 PSL1 LSAW pipeline is our main selling products, used in low pressure liquid transportation, such as water, gas, oil drilling and machinery manufacturing, the surface can melt epoxy paint, coal tar epoxy resin, Coatings, asphalt coatings, black oil paint.