... , petroleum, liquid, and electricity; 2. OD: 21.3-457.2mm api 5l line pipe x421.Commodity NameERW carbon steel pipe / line ... pipe2.Standard,ASTMA252, ASTM A53, API 5L1,5L2, API 5CT, GBT/ 9711.1 GBT/9711.2 EN10217,EN102193 ... .Other ServicesBeveled / Plain end or vanished as per clients confirmation ; With or without caps as per customer’s requirements10.MaterialQ235B,Q345B ...