... with the ventilation, lighting, cooling, anti-skid, explosion and other properties1.Material of steel bar grating: Mild Steel or Stainless Steel Weaving: plain weave, twill weave ... , 60/100 and allGrating Application:steel platform, flooring and walkway, trench cover, stair tread contact personMichelle Gao electro and hot-dipped Galvanized steel grating for furance ...