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Flat Product Rolling & Finishing Technologies
Hot Band Profile Irregularities Related to the Thermal Contour of Work Rolls
Through simulations of the thermal conditions of work rolls in hot strip mill finishing stands, it was shown that the roll cooling pattern and the deviation from the mill centerline caused hot band profile irregularities. This paper reviews the experimental data that proves these findings.
Modification of Reheat Furnace Practices Through Comprehensive Process Modeling
Comprehensive modeling work was performed involving an FEA thermal stress model, an FDM slab temperature model, a furnace profile model, a slab dissolving temperature model and an optimization model. This paper outlines the model’s development, calibration and implementation.
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About the Cover
A panel of leading steel industry executives recently took part in the AISTech 2008 Town Hall Forum. Pictured: (front row, left to right) Louis L. Schorsch, executive vice president, ArcelorMittal, and president and chief executive officer, ArcelorMittal Flat Americas; R. Joseph Stratman, executive vice president, Nucor Corp.; Joseph Curtin, president and chief operating officer, Tube City Div., Tube City IMS Corp.; (second row, left to right) John P. Surma, chairman, chief executive officer and president, United States Steel Corporation; John Callaway, Town Hall Forum moderator; George J. Koenig, president, Berry Metal Co., session chair; Keith E. Busse, chairman and chief executive officer, Steel Dynamics Inc.; (back row, left to right) Ronald E. Ashburn, AIST Executive Director; Mario Longhi, chief executive officer and president, Gerdau Ameristeel; and Russ Rinn, executive vice president, Commercial Metals Co., and president, CMC Americas. A summary of the Town Hall Forum begins on page 36. Cover photographer: Dave Rentz, Pittsburgh, Pa.
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