... .Use for Construction&Dec stainless steel welded rectangular pipe OD:16-114mmThickness:0.25-2mmStandard: ASTM-A554, GBApplication:DecorationCertification: GB/T19001 ... ≤S≤Ni≤Cr≤Mo≤N≤2010.150.758.5-13.50.060.030.8-2.011-162020.151.007.5-100 ... making, text, polish:stain polish, bright polish(mirror polish), packing.(6)Test:Eddy Current, Hydrostatic Mechanical, Mechanical Test, Chemical Composition Analysis ...