Self-Protecting Layer: When aluminium will come into connection with exposed to oxygen in air or drinking water, a thin layer varieties, transparent layer of aluminium oxide (Al₂O₃). This layer is quite dense and adheres tightly to the surface, avoiding further more oxidation or corrosion. 7050 T7451 also shows improved corrosion https://shedsandgarages33445.blogcudinti.com/37690349/fascination-about-sheds-and-garages