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Desulfurization practices in ArcelorMittal Flat Carbon Western Europe

Published online by Cambridge University Press:  22 July 2009

M. Nadif ,
J. Suero ,
C. Rodhesly ,
D. Salvadori ,
F. Schadow ,
R. Schutz ,
E. Perrin  and
L. Peeters
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Abstract

The development of steel refining operations at ArcelorMittal FCWE for the production of ULS steels is reported. Several plants with different equipments produce grades with S <30 ppm, thus permitting to identify the most efficient process, from hot metal desulfurization to secondary metallurgy. For sites producing steels with S <30 ppm, four secondary metallurgy routes coexist in ArcelorMittal FCWE. The Vacuum Tank Degasser makes it possible to reach very low S and N contents simultaneously. To face the increase of the share of Ultra Low Sulfur products, it is necessary to further enhance the kinetics of desulfurization by steel - slag stirring at the atmospheric pressure.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 106 , Issue 7-8: SteelmakingHot RollingGalvanizingSteel Use , July 2009 , pp. 270 - 279
Copyright
© La Revue de Métallurgie, 2009

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