... W.T.: 2mm-200mm API 5L 2 Internal coating of line pipe for non-corrosive gas transmission service ASTM A519 ... STBA13, STBA20,STBA22, STBA23, STBA24,STBA25, STBA26JIS G3464 STBL 39, STBL46, STBL 70JIS G3465 STM-C55, STM-C65, STM- ... 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, P2, P5, P5b, P5c, ...