api 5l line pipe x42 1.Suitable for conveyance of gas, 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, ... Kenya, South Africa, Spain, Italy, France, England, Belgium, etc13.CertificatesAPI 5L PSL1,PSL2 , API 5CT, ISO ,CE api 5l line pipe X42