... steel grating fixing , steel grating clip , saddle clip , steel grating clamp , clips and clamp of steel grating .two neighboring steel gratings),a holding down plate ... kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating, I Bar Type Steel Grating and ... available. 4) Material: Mild Steel (Low Carbon Steel ASTM A36 or Q235) ,Stainless Steel 304 or 316 5) Surface ...