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Control of steel reoxidation and CC nozzle clogging:an overview

Published online by Cambridge University Press:  19 October 2007

M. Nadif ,
J. Lehmann ,
M. Burty  and
J.-F. Domgin
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Abstract

The direct relationship between the total oxygen content of the steelor the slag composition and the rate of surface defects on the finalproducts has been clearly established by many previous studies.The paper describes the appropriate process parameters to preventthe re-oxidation of the molten steel and clogging of the submergedentry nozzles, two essential factors to meet the product cleannessrequirements: quantification of re-oxidation, control of re-oxidationby slags, air or refractories, control of Ar injection, mechanisms andways to reduce CC nozzle clogging.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 104 , Issue 10: AciérieLaminageUtilisation de l'acier , October 2007 , pp. 493 - 500
Copyright
© La Revue de Métallurgie, 2007

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