0.60mm DX51D Z120 Hot-Dip Galvanized Steel Sheet for Roofing and HVAC Fabrication 1.Product Overview 0.60mm DX51D Z120 Hot-Dip Galvanized Steel Sheet is a zinc-coated flat steel product designed for roofing components, ventilation ducts, equipment housings, wall panels, cable trays, and general sheet metal fabrication. The product uses DX51D forming-grade steel as the substrate and a Z120 zinc coating for corrosion protection. Its 0.60mm thickness supports cutting, bending,