... 3.Useful: Power plants, chemical Grating clip:The installing of the steel grating has two methods: Welded fixing ... , please note the clip type, quantity and material. Grating DimensionBearing bar pitch(mm)12.5, 15,25, 30 ... 101.6Thickness(mm)3mm , 5mmMaterialQ235,SS304,SS316Surface treatmentBlack , hot dip galvanizing ,paintFields of ApplicationPlatforms , sidewalks , filter grates ,ventilation grates ...