History & Innovation

Duplex 90 years

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.

14items

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Outokumpu Circle Green®

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22items

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Facade Design

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11items

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Offshore insights and innovations

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9items

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Stainless Steel Basics

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7items

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Sustainability

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Duplex 90 Years