... .Type:Plain,Serrated,I-shape Hot Dipped Galvanized Steel Grating1. Material: stainless steel plate, Low carbon steel sheet2. Surface treatment: untreated, painted, galvanized, powder coated3. Steel grating ... platform, walkway, bridge, building groove, covers, ladders, fences, guard rails and so on.5. Specifications: SeriesPitch of Bearing barCross-bar PitchSpecification ...