... O.D.: 5mm-1500mm API 5L 7 Unprimed internal fusion bonded epoxy coating of line pipe ASTM A519 50B40 ... ,10CrMo9-10, 11CrMo9-10,25CrMo4, 20CrMoV13-5-5,15NiCuMoNb5-6-4, X11CrMo5+1,X11CrMo5+NT1, X11CrMo5+NT2,X11CrMo9-1 ... 3ASTM A333 Grade 1, Grade 3, Grade 4,Grade 6, Grade 7, Grade 8,Grade 9, Grade 10, Grade ... 11ASTM A334 Grade 1, Grade 3, Grade 6,Grade 7, Grade 8Grade 9, Grade 11ASTM A335 P1, ...