steel grating serrated,plain,I bar Plain,Serrated,I-BAR ISO9001 & GRATING SPECIALIST 1) Light weight, great load ... , administration, parking lot etc.3) steel grating may be applied to platform, floor, walkway, stair treads, trestle, fencing, drainage ... 5,32×3,32×5……45×5mmBeraing bar pitch12.5,15,20,25,30,35, ... 40,50mmCross bar pitch38,50,80,100mmmaterialLow carbon steel, stainless ...