Advantages and Properties of Aluminum

Physically, chemically and mechanically, aluminum is a metal similar to steel, brass, copper, zinc, lead or titanium. It can be melted, cast, formed and machined in a similar way to these metals and conducts electric currents. In fact, often the same equipment and fabrication methods are used as for steel.

Light Weight

Its strength can be adapted to the application required by modifying the composition of its alloys. Aluminum-magnesium-manganese alloys are an optimum mix of formability with strength, while aluminum-magnesium-silicon alloys are ideal for automobile body sheets, which show good age-hardening when subjected to the bake-on painting process.

Corrosion Resistance

Aluminum naturally generates a protective thin oxide coating which keeps the metal from making further contact with the environment. It is particularly useful for applications where it is exposed to corroding agents, as in kitchen cabinets and in vehicles. In general, aluminum alloys are less corrosion-resistant than pure aluminum, except for marine magnesium-aluminum alloys. Different types of surface treatment such as anodising, painting or lacquering can further improve this property.

Electrical and Thermal Conductivity

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