... steel pipe 2. OD: 760-2400MM, WT: 1-80MM 3. API 5L GR.B, STANDARD LSAW BIGGER PIPES4. SGS INSPECTION, VOC API ... , T9, T11, T12, T22)335 (Gr P1, P2, P5, P9, P11, P12, P22) 333 (Gr.1,3.,6) 209(T1, T1A, T1 b ... )DIN17175 ( Gr.4538, 15Mo3, 13CrMo44, 10CrMo910)2448 ( Gr. ST37), 1630 (ST37.4 ...