... roll steel pipe, Double-side buried arc spiral welded pipes, ERW pipe, SSAW pipe. etc.We would like ... 20#, 16MN, Q2952.Double-side Buried Arc Spiral Welded PipesOD:219mm-1820mmTHK:5.0mm-20.0mmLength:up ... SPEC 5Lmaterial:10#, 20#, 16MN, Q295API Welded Steel Pipe For LSAW SSAW ERW 1. Steel Pipes (LSAW) OD: 457 - 1, ... /T5040 material:16MN, Q2953. ERW Steel Pipe. Oil casing pipes: OD: 219.1 - 609.6mm (8 5/8" ...