... is a professional company that producting of steel gratings.Our steel gratings can be used for platforms, sidewalks, billboards,walkways, ... , 101.6Thickness(mm)3mm , 5mmMaterialQ235,SS304,SS316Surface treatmentBlack , hot dip galvanizing,paintFields of ApplicationPlatforms ,sidwalks,filter grates,ventilation grates ... backing chambers……The purple font is recommended . Stainless steel floor grating