ArcelorMittal Tubarão hot skin pass, flatness improvement in thin gauges.

Abstract

The main objective of ArcelorMittal Tubarão hot skin pass mill is to improve the flatness results in hot rolled strips. Since its start-up in 2002 a consistent evolution of quality and process control has been reached based on the domain of work roll profile behavior, especially roll wearing and bending. The implemented actions regard the production scheduling rules, definition of optimum target elongations and automation of bending forces control.