... of grades in stock stainless steel pipe1) Welded stainless steel pipes,stainless steel tubes2) Type: square pipe, or customized3) Available steel grade: 2014) ... 400grit,600grit,HL,2B,BA,satinStainless Steel Chemical Composition & Mechanical Properties Stainless Steel 200 SeriesGradeChemical CompositionMechanical PropertiesCSiMnPSNiCrNCuY.ST.S ... according with Mill Standard. 201 stainless steel tube