EDP Sciences Journals List
Issue Revue de Métallurgie
Number 6, June 2009
Page(s) 242 - 247
DOI 10.1051/metal/2009040
Published online 06 June 2009



Rev. Met. Paris, N°6 (June 2009), pp. 242-247
DOI: 10.1051/metal/2009040

Ultra low aluminium DWI grade development of an atypical continuous casting powder with high viscosity

C. Damerval, H. Tavernier, L. Avedian, P. Disant, P. Delfosse, M. Cornille and J.-M. Galpin


Published online: 6 June 2009

Abstract
ArcelorMittal Atlantique has developed the DWI Ultra Low Aluminium grades to improve the rejection rates during the deep drawing of beverage cans. At the time of industrialization of this grade, an increase of slivers defects was recorded. The analysis of these slivers permitted to trace down their origin to the continuous casting powder. The compared analysis of slags during casting, respectively on standard DWI and ULA DWI, pointed out infiltration phenomena and inclusion pick-up. A high viscosity powder was formulated. An acceptable sliver rate was achieved with a strong decrease in downstream repaired coils.

© La Revue de Métallurgie  2009


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