Outokumpu Nirosta is a business segment of

Outokumpu Outokumpu Oyj is a group of international companies headquartered in Helsinki, Finland, with 10,600 employees in more than 30 countries. Outokumpu is the largest producer of stainless steel in Europe and the second largest producer in the Americ ...

, headquartered in

Krefeld Krefeld ( , ; ), also spelled Crefeld until 1925 (though the spelling was still being used in British papers throughout the Second World War), is a city in North Rhine-Westphalia, in western Germany. It is located northwest of Düsseldorf, its c ...

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

. It produces flats of

stainless steel Stainless steel, also known as inox, corrosion-resistant steel (CRES), or rustless steel, is an iron-based alloy that contains chromium, making it resistant to rust and corrosion. Stainless steel's resistance to corrosion comes from its chromi ...

. Prior to January 2012, it was named ThyssenKrupp Nirosta and part of

ThyssenKrupp AG ThyssenKrupp AG (, ; stylized as thyssenkrupp) is a German industrial engineering and steel production multinational conglomerate. It resulted from the 1999 merger of Thyssen AG and Krupp and has its operational headquarters in Duisburg and Ess ...

. The unit has a plant in

Bochum Bochum (, ; ; ; ) is a city in North Rhine-Westphalia. With a population of 372,348 (April 2023), it is the sixth-largest city (after Cologne, Düsseldorf, Dortmund, Essen and Duisburg) in North Rhine-Westphalia, the most populous German federa ...

. The Nirosta brand was registered with the

United States Patent and Trademark Office The United States Patent and Trademark Office (USPTO) is an List of federal agencies in the United States, agency in the United States Department of Commerce, U.S. Department of Commerce that serves as the national patent office and trademark ...

as early as 1920 for "NON-RUSTING STEELS, STAINLESS STEELS AND ACID RESISTING STEELS" etc. It is used in Germany to indicate

as a type of synonym. This usage is also common in Israel. Nirosta is an

acronym An acronym is a type of abbreviation consisting of a phrase whose only pronounced elements are the initial letters or initial sounds of words inside that phrase. Acronyms are often spelled with the initial Letter (alphabet), letter of each wor ...

for ("non-rusting steel").

References

External links

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Krefeld Thyssen AG Outokumpu, Finland {{Germany-company-stub