... OD:6mm-750mm T:0.3-75mm Finish: POLISH,ACID,HL,180# 200# 320# 400 SS304 steel tube Stainless steel is a ... .5mm-406mmSquare10*10mm-150*150mmrectangle10*20mm-100*200mmshock15mm-72mmSurface treatmentPolishing (180#,220#,240#,320#400#,600#), Hairline,aid pickling and so ...