... of gas, petroleum, liquid, and electricity; 2. OD: 21.3-457.2mm api 5l line pipe x421.Commodity NameERW carbon steel pipe ... end or vanished as per clients confirmation ; With or without caps as per customer’s requirements10.MaterialQ235B,Q345B,X46,X52,X60 ... ,X70,X80 etc11.UsageFor line pipe in petroleum and natural gas , water and gas, mineral ...