... attractive appearance.2) steel grating are widely used by various plants such as: electric power, petroleum, chemical ... transportation, municipal, administration, parking lot etc.3) steel grating may be applied to platform, floor, walkway, ... 35,40,50mmCross bar pitch38,50,80,100mmmaterialLow carbon steel, stainless steel, aluminiumSurface treatmentUntreated, hot galvanized, paintedStandardsChina: YB/ ...