... steel sheet, steel, pipe, tube, tubes, No. Chemical Composition Analysis Grade C≤ Si≤ Mn≤ P≤ S≤ ... N≤ 201 0.15 0.75 8.5-13.5 0.06 0.03 0.8-2.0 ... 5): Technology:pipe-making, text, polish:stain polish, bright polish(mirror polish), packing.(6)Test:Eddy Current, Hydrostatic Mechanical, Mechanical Test, Chemical ... Dec stainless steel welded rectangular pipe OD:9.5-200mmThickness:0.25-3mmStandard: ASTM-A554, ...