... installation,being economical of materials,being sturdy and dura Steel grating:1) Light weight, great load-bearing ... 30,35,40,50mmCross bar pitch38,50,80,100mmmaterialLow carbon steel, stainless steel, aluminiumSurface treatmentUntreated, hot galvanized, ... .productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); low carbon steel or stainless steel also with aluminum steel grating