... GOST,API O.D.: 5mm-1500mm API 5L 7 Unprimed internal fusion bonded epoxy coating of line ... St37.4DIN 2460 St35DIN 17172 StE210.7, StE240.7, StE290.7,StE320.7, StE360.7, StE385.7,StE415.7, StE290.7TM,StE320.7TM, ... 23, STPA 24, STPA 25,STPA 26JIS G3460 STPL 39, STPL 46, STPL 70JIS G3461 STB 35, STB ... , STBA20,STBA22, STBA23, STBA24,STBA25, STBA26JIS G3464 STBL 39, STBL46, STBL 70JIS G3465 STM-C55, STM-C65, ...