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.

AMS QQA 225/9 7075

American Specification Aluminium

AMS QQA 225/9 7075 Aluminium Alloy

AMS QQA 225/9 7075 - a high strength American specification aluminium alloy containing 5.1 to 6.1% zinc. Solution treated, artificially aged and controlled stretched to achieve the T651 condition; we supply the material in drawn, rolled, cold finished wire, bar and profile form.


AMS QQA 225/9 7075 is a high strength aluminium alloy offering very good machinability and very good weldability using resistance, spot or beam welding. Other welding methods are not recommended. The alloy has fair resistance to atmospheric corrosion.

Typical Applications

Commercial applications for this engineering material include:

  • Aerospace Components
  • High Technology Applications
  • Defence Components

We stock AMS QQA 225/9 7075 in flats, round bar, square bar and hexagon bar.

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 AMS QQA 225/9 7075 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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