Can you powder coat galvanized steel?

Powder coating over hot dip galvanizing is a two step coating process. In the first step, the steel part is galvanized with a layer of zinc. The zinc layer provides cathodic and barrier protection, preventing the steel from oxidizing, resulting in a longer part life.

Hot-dip galvanization is a form of galvanization. It is the process of coating iron and steel with zinc, which alloys with the surface of the base metal when immersing the metal in a bath of molten zinc sinkin at a temperature of around 840 °F (449 °C).