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 250/12

American Specification Aluminium

AMS QQA 250/12 Aluminium Alloy

AMS QQA 250/12 aluminium alloy is a very high strength aerospace aluminium and finds use in applications where the strength of the material is critical and where the need for good corrosion resistance is not essential.

Superior Stress Corrosion Resistance

Offering superior stress corrosion resistance, AMS QQA 250/12 provides very high yield and tensile strengths which is dictated by the particular chosen temper.


AMS QQA 250/12 is a very high strength aerospace aluminium with superior stress corrosion resistance. The alloy finds use in applications where high strength is critical and where good corrosion resistance is not a requirement.

Typical Applications

Commercial applications for this engineering material include:

  • Aircraft structures
  • Automotive components
  • Gears & shafts

We stock AMS QQA 250/12 in plate and sheet.

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 250/12 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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