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675 Magnesium Alloy675 Magnesium Alloy

Lightweight Magnesium Extrusion Alloy

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

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 is used in market sectors such as aerospace, motorsport and defence, where weight reductions can be made without impairing performance. The product is superior to some typical commercial aluminium alloys. Supplied in the T5 heat-treated condition.

Key Features:

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.

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.

Download 675 Magnesium Alloy Datasheet

Typical Applications:

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


We offer 675 Magnesium Extruded Alloy in bars. We also offer processing services throughout the Smiths Group - with more than 30 band saws and a fully automated magazine feed CNC rod blanking line, we can process your material to your exact requirements.

Pick a Product

To find out more about Smiths Metal Centres extensive range of high quality magnesium alloys, click on one of our products on the side menu of this web page.

Have a question or need a detailed quote?

Our staff are ready to take your call. For all supply and technical enquiries call us today
on 0845 527 3331 or click here to contact us.