stainless steel grating bearing bar/cross bar:30*3/6*6 mesh:50*50 size:2m*1m sample free stainless steel gratingbearing bar/cross bar:30 ... screen...perforated metal products--steel gratingmaterial:stainless steelhole*pitch:50*50application:platform,catwalk,stairsMaterial:stainless steel(stainless steel304,0CR18Ni9,stainless steel316),mild steel,Aluminum,PVC,copper... powder ...