... diameter spiral welded steel pipe 2)Size:8"-144 3)WT:6-36mm 4)6-12m 5)Material:carbon steel,stainless steel Typelarge diameter spiral welded steel pipeSizeSeamless Pipe: 1 ... . XS,XXS and so on.StandardsANSI B16.9 / 16.28, ASTM A53/A106, API 5L, ASME B36.10M---1996, DIN2605 / 2615 / 2616 ... , JIS P2311/2312MaterialASTM A106,A53GRB,A53-A,A106-A,A192,A226,A315-B,A106-B,A178 ...