... conveyance of gas, petroleum, liquid, and electricity; 2. OD: 21.3-457.2mm api 5l line pipe x421.Commodity NameERW carbon ... .2 EN10217,EN102193.Outer Diameter21.3-457.2mm 4.Wall Thickness1.8—14.27 mm 6.PackingSmall diameter: hexagonal packing, packed by steel ... bags, each bundle with two white nylon lifted sling, large diameter In bulk packing, or as customized5.surface treatmentBlack vanished, PP ...