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Magnesium Alloys

Magnesium alloy is used often as an alloying additive for alumnium Popular with high tech industries including automotive and aerospace, magnesium is the third most commonly used structural metal

Magnesium alloys have traditionally been specified by designers because of their favourable strength to weight ratios. Magnesium is approximately two thirds the density of aluminium and a quarter that of steel. Some of the more recently developed magnesium alloys have also improved resistance to corrosion and better all round mechanical properties, especially at elevated temperatures.

Magnesium is the third most commonly used structural metal, following steel and aluminium.

Magnesium Applications

Magnesium's principal use is as an alloying additive to aluminium. Magnesium, in its purest form, can be compared with aluminium, and is strong and light, so it is used in several high volume part manufacturing applications, including automotive and truck components and in particular high-grade car wheels of magnesium alloy, called "mag wheels".

Major vehicle manufacturers have used magnesium in their engine components for many years. Magnesium is used in other engine applications where weight and performance at high temperatures is critical, e.g. for cylinder wall cooling jackets and engine cradles.

The use of magnesium alloys in aerospace is increasing, mostly driven by the increasing importance of fuel economy and the need to reduce weight.

Magnesium is also widely used in electronic devices. Due to low weight, good mechanical and electrical properties, magnesium is widely used for the manufacture of mobile phones, laptop computers, cameras, and other electronic components.

Some of the magnesium alloys supplied by Smiths Advanced Metals. Please call +44 (0)1767 604 710 for other alloys not listed here.

Magnesium Alloys Range

WE54-T6 WE43A-T6 AZ61A-F AZ31B-F AZ81 ZW3

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