... Internal coating of line pipe for non-corrosive gas transmission service ASTM A519 50B40 50B44 50B46 50B50 50B60 51B60EN10208 EN 10210 ... , 4520, 4615,4617, 4620, 4621, 4718, 4720, 4815,4817, 4820, 5015, 5046, 5115, 5120,5130, 5132, 5135, 5140, 5145, 5147,5150 ... Internal coating of line pipe for non-corrosive gas transmission service