... 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, ... the deposit or the L/C9.Other ServicesBeveled / Plain end or vanished as per clients confirmation ; With or ... , France, England, Belgium, etc13.CertificatesAPI 5L PSL1,PSL2 , API 5CT, ISO ,CE