... ,stainless steel tubes2) Type: square pipe, or customized3) Available steel grade: 2014) Product Range:Square pipe: side length from 10mm*10mm ... polishing: 240grit,400grit,600grit,HL,2B,BA,satinStainless Steel Chemical Composition & Mechanical Properties Stainless Steel 200 SeriesGradeChemical CompositionMechanical PropertiesCSiMnPSNiCrNCuY.ST.S ...