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ArcelorMittal Tubarao hot skin pass - Flatnessimprovements in thin gauges

Published online by Cambridge University Press:  01 May 2008

C.-N. da Silva ,
F.-C. Dornelas ,
L.-F. da Silva Volpato ,
L.-T. Sequeira ,
G. de Martin Sarnaglia ,
Q.-R. Sobrinho  and
F.-G. da Silva Araújo
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Abstract

The main purpose of ArcelorMittal Tubarao skin pass is to improvethe flatness in thin gauges hot rolled strips. Since the start-up in2002 several actions have been implemented and a consistentevolution of quality and process control has been reached:
The philosophy of production scheduling along the rolls campaignto minimize the effect of roll wear;
The definition of optimum target elongations to keep as constantas possible the roll forces and avoid roll bending changes;
The automation of bending forces control according tocharacteristics of the strip and the rolls.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 105 , Issue 4: SteelmakingEnergyContinuous CastingHot RollingSteel Use , April 2008 , pp. 212 - 217
Copyright
© La Revue de Métallurgie, 2008

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