Steel Grating PlatesA steel product formed by interlacing flat steel bars at a fixed spacing with crossbars and welding them into a grid pattern.Please provide the Chinese content to be translated.Manufacture manhole covers, composite steel grating, and steel ladder tread plates. The steel grating crossbars commonly use twisted square steel. The steel grating is typically made from carbon steel.The surface is treated with hot-dip galvanizing to prevent corrosion.