Properties of aluminium and aluminium alloys

What are the main characteristics of aluminum and aluminum alloy

1. Small density: the density of aluminum is 2.7 about 1/3 of that of copper (8.9) or steel (7.8). The low density is very beneficial to the lightweight of space aircraft, ships, vehicles and other transportation vehicles and buildings, but also can save the moving and processing costs, reduce costs, in industry, construction and civil applications in various fields;

2, good corrosion resistance, weather resistance: aluminum and aluminum alloy in the atmosphere can form a layer of hard and dense, with good corrosion resistance of the oxide film, through anodic oxidation, electrophoretic paint, powder spraying and other surface treatment, can further improve the corrosion resistance of aluminum;

3. Good decorative: aluminum alloy has good plasticity, can process a variety of specifications, the formation of products, through the surface treatment can generate different properties, different colors of film layer, has good decorative;

4. Good thermal conductivity: the thermal conductivity of aluminum is very high, second only to silver, gold and copper in metals, is 3 times of iron, the same weight of aluminum is 12 times of iron, therefore, aluminum alloy is a good material for manufacturing radiators and heaters.

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