... VOC API 1) API 5L GrB saw pipe/ Q235 B spiral pipe/sprial steel pipe/large saw pipe/ SAW PIPE ... .4\St52 STS492. ASTM A106 GR.A\B\C; ASTM A53 GR.A\B /API 5L-GrB3. DIN1629 4. JIS G3454 ... 1629Alloy pipeAlloy pipeSeamless or weldedASTM/ASME A/SA210 (Gr. A1,C), 556, 213 (T1, T2, T5, T9, T11, T12, T22)335 ... P22) 333 (Gr.1,3.,6) 209(T1, T1A, T1 b)DIN17175 ( Gr.4538, 15Mo3, 13CrMo44, 10CrMo910)2448 ( Gr. ST37), ...