... -2400MM, WT: 1-80MM 3. API 5L GR.B, STANDARD LSAW BIGGER PIPES4. SGS INSPECTION, VOC API 1) API 5L ... Gr. ST37), 1630 (ST37.4, 44.4), BS3059 (Gr CFS 360,440, 243, 620, 622-440, 622-490), 980 (Gr.CDSI ... ), 6323 (CFS3), 3602/1 (Gr.360, 430)A335-P1 15Mo3 STPA12A335-P2\A213-T2 STBA20 A335P12 ... are always our same pursuit. API 5l GrB standard large spiral steel pipe with API certificates