ALLOYS & PROPERTIES
ALUMINIUM ALLOYS & PROPERTIES

ALLOYS
Aluminium's range of properties can be found in an impressive array of commercially available alloys. The composition and logic of those alloys are regulated by an internationally agreed classification system or nomenclature for wrought alloys and by various domestic nomenclature schemes for the casting alloys.

The classification provides for:
1 Series  Aluminium of 99% minimum purity
2 Series  Aluminium-copper alloys
3 Series  Aluminium-manganese alloys
4 Series  Aluminium-silicon alloys
5 Series  Aluminium-magnesium alloys
6 Series  Aluminium-magnesium-silicon alloys
7 Series  Aluminium-zinc-magnesium alloys
8 Series  Miscellaneous alloys e.g. aluminium-lithium alloys




PROPERTIES
Natural Available as the 3rd most abundant element in the earth’s crust

Light Its density is only one-third that of steel and ideal for lighter vehicles, less emitting transport.

Resistant Resistant to weather, common atmospheric gases and a wide range of liquids.

Highly Reflective And as a result is employed in a number of decorative applications.

Easily worked & formed Aluminium can be easily shaped by any of the main industrial metalworking processes – rolling, extrusion, forging and casting.

Strong Yet it is soft enough to carve but mixed with small amounts of other metal to form alloys, it can provide the strength of steel, with only one-third of the weight. Without aluminium there would be no commercial air travel. Keeping its toughness down to very low temperatures, without becoming brittle like carbon steel. Alluminium alloys can equal or even exceed the strength of normal construction steel.

Impermeable It has an excellent barrier function which makes it ideal for food and drink packaging and containers. It keeps out air, light and microorganisms while preserving the contents inside.

Recyclable Once made, aluminium can be recycled again and again, using only a very small fraction of the energy required to make "new" metal. Recycling saves about 95% of the energy required for primary production.

Durable And therefore ideal for long lasting sturdy structures.

High in elasticity Which is an advantage in structures under shock loads.

Electricity conductor Conducts electricity and heat nearly as well as copper.

Non-magnetic & non-combustible It has properties invaluable in advanced industries such as electronics or in offshore structures.

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