This steel plate isnot zinc plated or galvanized, and may haveminor surface rust, which does not affect performance. Zinc Plated Steel Flat Bar / Plate Heavy Duty 1/8″ x 1″ x 36″ – 1300307. Zinc Plated Steel Flat Bar / Plate Heavy Duty 1/8″ x 1″ x 48″ – 1300310.