ANALYSIS OF THE REDUCTION OF NITROGEN PICK-UP IN THE PRODUCTION OF STAINLESS STEEL

This paper aims to show an analysis of the reduction of nitrogen pick-up to stabilized ferritic stainless steels produced at ArcelorMittal Inox Brazil through a new practice in the converter process. Aiming to produce steel with low nitrogen content in the AOD converter, we developed a new practice...

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Published inTecnologia em Metalurgia, Materiais e Mineracao Vol. 20110515; pp. 530 - 538
Main Authors Filho, Decio Sartori Felix, Marin, Humberto, Da Silva, Joilson Moreira Ferreira, Porto, Rafael
Format Journal Article
LanguageEnglish
Published 01.01.2011
Subjects
Argon oxygen decarburizing
Brazil
Chromium
Industrial engineering
Iron and steel making
Reduction
Steel converters
Steels
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Summary:This paper aims to show an analysis of the reduction of nitrogen pick-up to stabilized ferritic stainless steels produced at ArcelorMittal Inox Brazil through a new practice in the converter process. Aiming to produce steel with low nitrogen content in the AOD converter, we developed a new practice of tapping steel through the use of metallurgical principles nitrogen for removal/absorption. Using this new practice it was possible increase the chromium yield, improve the efficiency of sulfur removing in the converter, and improve the steel quality and reduce its production cost.
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ISSN:2176-1515