Duplex 90 years

Celebrating 90 years of duplex stainless steel.

Duplex stainless steel was developed by Outokumpu in 1930. As we’re marking the 90th anniversary, we collected articles looking back at the big milestones as well as insights from our experts discussing duplex as a material and its future. You can also find articles about duplex in different industries and applications.

Customer education key to adoption duplex grades

Learn how duplex grades can be used in a wide variety of applications due to its superior corrosion resistance, strength, and price stability.

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Expert article

Peder Claesson explores how duplex grades can provide new design opportunities.

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