1)Name:Large diameter spiral welded steel pipe 2)Size:8"-144 3)WT:6-36mm 4)6-12m 5) ... pipe:8"-144" ,DN200-DN3600 , OD:219.1-3657.6mm ,WT: 6-36mmWall thicknessSGP, STD, SCH40, SCH80, SCH160. XS,XXS and so on ... ---1996, DIN2605 / 2615 / 2616, JIS P2311/2312MaterialASTM A106,A53GRB,A53-A,A106-A,A192,A226,A315-B,A106-B,A178-C,A210 ... -A-1,A210-C,A333-1.6,A334-1.6,A333- ...