... of gas, petroleum, liquid, and electricity; 2. OD: 21.3-457.2mm api 5l line pipe x421.Commodity NameERW carbon steel ... plastic bags, each bundle with two white nylon lifted sling, large diameter In bulk packing, or as customized5.surface treatmentBlack vanished, PP ... X46,X52,X60,X70,X80 etc11.UsageFor line pipe in petroleum and natural gas , water and gas, mineral slurry. Also for chemical industry ...