... .7).US standard is also in our production area. ------------------------------------------------------------------------------------------------------------------Grating Dimension Bearing bar pitch(mm)12.5, 15,25, ... .6Thickness(mm)3mm , 5mmMaterialQ235,SS304,SS316Surface treatmentBlack , hot dip galvanizing,paintFields of ApplicationPlatforms ,sidwalks,filter grates,ventilation grates,driling stages ...