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.


Aerospace Stainless Steel Sheet

S525 Aerospace Stainless Steel Sheet

BS S525 is an austenitic chromium-nickel stainless steel stabilised with niobium.

For Medium Strength Components

Available in the cold-rolled or cold rolled and tempered condition, the alloy is suitable for medium-strength components requiring good corrosion resistance and cold workability. With good weldability the alloy has a tensile strength (Rm) 800-1100 N/mm².


S525 aerospace stainless steel sheet is offered with added Niobium and promotes good corrosion resistance and workability. It is a medium strength alloy with good weldability which is supplied in the cold-rolled or cold rolled and tempered condition. We offer a range of in-house processing services which include guillotining.

Typical Applications

Commercial applications for this engineering material include:

  • Aerospace fabrication
  • Panels
  • Bodywork
  • Blanking panels
  • Space frames

We stock S525 in 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 S525 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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