Rev. Met. Paris
Volume 89, Number 9, Septembre 1992
|Page(s)||729 - 736|
|Published online||24 January 2017|
Results of hot direct rolling operation*
Résultats concernant les opérations de laminage à chaud direct
Kwangyang No.2 continuous caster, which is designed for Hot Direct Rolling (HDR) process, has started its operation in November 1990.
In order to realize HDR process, it is prerequisite to produce defect-free slabs, and particularly secure the desired slab temperature. For this purpose, great efforts are put into several critical areas such as copper-plated mold, submerged entry nozzle, air-mist cooling, insulating cover and edge heater. Since starting its operation, the hot direct rolling ratio has been increased via several technical improvements. Since August 1991, the hot direct rolling ratio has been kept over 30 percent.
Improvements upon hot direct rolling process in No.2 CC are presented.
© La Revue de Métallurgie 1992
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