... . OD: 21.3-457.2mm api 5l line pipe x421.Commodity NameERW carbon steel pipe / line pipe2.Standard,ASTMA252, ASTM A53, API ... .3-457.2mm 4.Wall Thickness1.8—14.27 mm 6.PackingSmall diameter: hexagonal packing, packed by steel strip into bundles ... requirements10.MaterialQ235B,Q345B,X46,X52,X60,X70,X80 etc11.UsageFor line pipe in petroleum and natural gas , water and gas, mineral ...