A galvanized steel sheet refers to a steel sheet that is coated with a layer of hot-dip galvanized or electro-galvanized material on its surface. Features of galvanized steel: Galvanized can effectively prevent steel corrosion and prolong service life. Galvanized steel sheet (thickness is 0.4~1.2mm) is also called galvanized iron sheet, commonly known as white iron sheet. Galvanized steel sheet is widely used in construction, vehicles, household appliances, daily necessities and other industries.