About Smiths

We are a world-class supplier of engineering raw materials. Our objective is to provide all our customers, from the small machine shop to the large multi-national corporation, a supply path that continuously delivers the highest levels of service, quality and value.

675 Magnesium

Magnesium Alloy

675 Magnesium Alloy

675 Magnesium Alloy offers excellent performance at high temperatures (up to 250°C).

Weight Reducing Capabilities

The flame-proof, lightweight material offers superior machinability when compared to aluminium, with good overall corrosion resistance. 675 Magnesium Alloy is an extrusion alloy and finds use in market sectors such as aerospace, motorsport and defence, where weight reductions are possible without impairing performance. The product is superior to some typical commercial aluminium alloys. We supply 675 magnesium alloy in the T5 heat-treated condition.


675 Magnesium Alloy is lightweight with ultra-high strength. With excellent corrosion resistance, the material can be used at high working temperatures up to 250°C. The alloy has superior machinability when compared with aluminium. We process your magnesium alloys in-house.

Typical Applications

Commercial applications for this engineering material include:

  • Aerospace components
  • Motorsport
  • Engine & gearbox casings
  • Forging and machine from solid applications
  • Racing wheels
  • Helicopter transmissions

We stock 675 in flats, round bar and plate.

Technical Assistance

Our knowledgeable staff and resident metallurgists will be pleased to assist you further on any technical topic. Smiths Metal Centres Limited also boasts an in-house UKAS Accredited Testing Laboratory which is unique within the multi-metal and plastic stockholding sector. We believe this underlines our total commitment to quality and our ethos of being the complete service provider.

Additional Info

A technical datasheet for 675 is available in PDF file format. To view and download, please click here.

We offer in-house processing options - for more information, please refer to our processing services.

Read our corporate brochure by clicking here.

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