... -2400MM, WT: 1-80MM 3. API 5L GR.B, STANDARD LSAW BIGGER PIPES4. SGS INSPECTION, VOC API 1) API 5L ... LSAW and SSAW(Spiral SAW) Pipe:325-3000mm3) Thickness:6-60mmStandard: API SPEC 5L(43) ASTM A53 ASTM A135 ... , P5, P9, P11, P12, P22) 333 (Gr.1,3.,6) 209(T1, T1A, T1 b)DIN17175 ( Gr.4538, 15Mo3, 13CrMo44 ... are always our same pursuit. API 5l GrB standard large spiral steel pipe with API certificates