The global leader in sustainable stainless steel

Choose stainless steel without compromises. Outokumpu offers 100% stainless steel with 8% of the emissions. Designed to last forever.

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Join the Industrial Evolution

For a decade you had to choose between stainless steel and sustainability. Finally you don't need to choose. Because now you can choose Outokumpu Circle Green®.

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Together with our customers, we drive society forward through sustainable solutions. Discover cases, articles, webinars and technical content.

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The stainless steel of tomorrow. Available today.

Outokumpu has led the change towards sustainable stainless steel manufacturing for decades with one breakthrough benchmark after another. Outokumpu Circle Green® marks our biggest achievement in this pursuit to date. With a carbon footprint down to 8% of the global average, it surpasses any existing solution in sustainability and sets yet another benchmark.

Stainless steel for a wide range of environments

Maximizing your performance and optimizing solutions that fit your needs is our priority. Choosing the right stainless steel is the first step towards top-level performance, and Outokumpu experts are ready to identify the right solutions for you. 

Building & infrastructure

Automotive & transportation


Energy & heavy industry


Sep 5th, 2023

Outokumpu – The composition of the Shareholders’ Nomination Board

Stock Exchange Releases

Aug 15th, 2023

Outokumpu published an environmental product declaration for i...

Press Releases

Aug 9th, 2023

Outokumpu, thyssenkrupp Materials Processing Europe and Purem ...

Press Releases

Aug 3rd, 2023

Outokumpu half-year report January–June 2023: Adjusted EBITDA ...

Stock Exchange Releases

Aug 3rd, 2023

Insider information: Outokumpu explores options to strengthen ...

Stock Exchange Releases

Aug 1st, 2023

Outokumpu has completed the divestment of its remaining Long P...

Press Releases

Jul 20th, 2023

Outokumpu publishes its half-year 2023 report and arranges a w...

Press Releases

Jul 6th, 2023

Outokumpu – transfer of the company’s own shares

Stock Exchange Releases

Jun 28th, 2023

Outokumpu and Nordic Steel to start collaboration – towards-ze...

Press Releases

Jun 26th, 2023

Outokumpu starts a collaboration with thyssenkrupp Materials P...

Press Releases

Recommended reading


Outokumpu Circle Green® - stainless steel of tomorrow, available today.


Transparent carbon footprint data helps to make the green transition reality


How a beginner’s mindset became the recipe for Outokumpu’s proudest achievement in...


How can Outokumpu Circle Green help you reduce your carbon footprint? What sets it...


Join the Industrial Evolution: Reduce your carbon footprint with Outokumpu Circle ...


Why must we act to strengthen the circular economy?

Case Maastank

Duplex delivers for Port of Rotterdam storage tanks


Selecting subsea stainless steel


Quality and consistency are key for coiled tubing in oil and gas

Our locations around the world

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Our locations around the world