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WE43 Magnesium AlloyWE43 Magnesium Alloy

Magnesium High Strength Casting Alloy

WE43 is a high strength Magnesium Alloy which offers good mechanical properties both at ambient and elevated temperatures.

The alloy mainly contains yttrium and neodymium. WE43 can be used successfully in temperatures up to 300°C and benefits from good corrosion resistance. The alloy is an excellent engineering solution in applications where weight reduction without compromising performance is required. Motorsport therefore is an obvious beneficiary as is the aerospace sector.

Key Features:

WE43 Magnesium Alloy is a high strength material with good overall mechanical properties. The alloy offers an excellent engineering solution when weight reduction is required. WE43 is suitable for use on ambient and elevated temperatures up to 300°C.

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 WE43 Magnesium Alloy Datasheet

Typical Applications:

  • Missiles
  • Power transmissions
  • Aircraft engines
  • Motorsport
  • Helicopter rotor heads
  • Engine casings
  • Racing wheels
  • Gear box casings


We offer WE43 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.