ZN-AL-MG METHOD FOR PRODUCING A METAL SHEET HAVING OILED ZN-AL-MG COATINGS AND CORRESPONDING METAL SHEET

摘要

The method comprises at least the following steps: - providing a steel substrate (3) having two faces (5), - - depositing a metal coating (7) on each side (5) by dipping the substrate (3) in a bath, - cooling said metal coating (7) - modifying the layer of magnesium oxide or magnesium hydroxide formed on the outer surface (15) of the metal coating (7) Depositing an oil layer on the outer surface (15) of the metal coating (7).