... The products enjoy the feature of high strength, light structure, high bearing, convenience for loading and other propertier. ... Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are widely used in steel structure platforms, ... A1011, A569, Q235, S275JR, SS304, SS400, Mild steel & Low carbon steel, etc5Surface TreatmentBlack, self colour, hot dip galvanized, painted ...