API 5LD Corrosioin resistant alloy clad or lined steel pipe Standard: ASTM,JIS,EN,ISO ... W.T.: 2mm API 5LD Corrosioin resistant alloy clad or lined steel pipe ASTM A519 50B40 50B44 50B46 50B50 ... STBA13, STBA20,STBA22, STBA23, STBA24,STBA25, STBA26JIS G3464 STBL 39, STBL46, STBL 70JIS G3465 STM-C55, STM-C65, STM- ... Grade 1, Grade 3, Grade 4,Grade 6, Grade 7, Grade 8,Grade 9, Grade 10, Grade 11ASTM A334 ...