... 10705-80, ASTM A36,ASTM A53 GR B,API 5L GR B,ST.52.3,ST.37.2,ST ... HSAW / SAWH / SSAW / SAW / SPIRAL WELDED STEEL PIPES;GOST 8696-74 ELECTRICALLY WELDED SPIRAL SEAM STEEL PIPES WITH 3PE,3PP,EPOXY,FBE,CEMENT ANTICORROSION ... 8696-74,ASTM A36,ASTM A53 GR B,API 5L GR B,ST.52.3,ST.37.2,ST ... 8732-78, ASTM A36,ASTM A53 GR B,API 5L GR B,ST.52.3,ST.37.2, ... B, SS400, ASTM A36,ASTM A53 GR B,API 5L GR B,ST.52.3,ST.37.2, ...