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Hot-dipped galvanized (HDG) steel consists of a core of steel that is coated with a rust protection of 100% zinc by immersing the metal in a bath of molten zinc at a temperature of around 450 °C. The galvanized steel is delivered in wide coils, slit coils, or sheets. It can be processed by conventional processing operations such as bending, drawing, clinching, profiling, stamping, welding etc. and contains approximately 20% of recycled scrap steel. A zinc coating protects the steel from corrosion in two ways. It serves as a protective layer keeping oxygen and water away from the steel, but it also acts as a cathodic protection. This means that at cut edges or in case of damages through the zinc coating, the coating will sacrifice itself and react to form protective compounds and block further corrosion processes. The zinc coating covers the steel on both sides. In addition, a zinc coating can improve formability, resistance welding properties and paintability.