... . OD: 21.3-457.2mm api 5l line pipe x421.Commodity NameERW carbon steel pipe / line pipe2.Standard,ASTMA252, ASTM A53, API 5L1,5L2 ... In bulk packing, or as customized5.surface treatmentBlack vanished, PP,PE,3PE7.Payment TermT/T, L/C8.Delivery Time30 days after ... requirements10.MaterialQ235B,Q345B,X46,X52,X60,X70,X80 etc11.UsageFor line pipe in petroleum and natural gas , water and gas, mineral slurry ...