Product Name: ASTM Electrical Resistance Weld (ERW) Black and Hot-dip Galvanized Steel Pipe Standard: ASTM A53 Internatioanal Standard: ISO 9001 Size Range Seamless Pipe 1/8” ~24”, DN15~DN600 API Line pipe:1/8”-48” inch, DN6~DN1200 Welded pipe:1/2”-60“inch Wall Thickness :sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100, sch120, sch140, sch160, xxs, Product […]