... . OD: 21.3-457.2mm api 5l line pipe x421.Commodity NameERW carbon steel pipe / line pipe2.Standard,ASTMA252, ASTM A53, API ... , each bundle with two white nylon lifted sling, large diameter In bulk packing, or as customized5.surface treatmentBlack vanished, PP,PE ... requirements10.MaterialQ235B,Q345B,X46,X52,X60,X70,X80 etc11.UsageFor line pipe in petroleum and natural gas , water and gas, mineral slurry ...