Development for the Increase of Casting Sequences at Wakayama No.3 Slab Caster

by Manabu Adachi, Hiroshi Hayashi, Atsushi Hirata, Nobuhiro Okada, Masayuki Kawamoto

Publisher - Sumikin Iron and Steel Corporation, Sumitomo Metal Ind., Ltd, Japan

Category - General Novel

The low carbon steel slabs, which are supplied to other companies in large lot size, have been cast at the No.3 slab caster in Wakayama Steel Works since 2002. In order to increase the productivity of casting these high quality slabs, techniques to increase the casting sequences were investigated. As a result, electro magnetic brakes have been applied in the mold for the prevention of surface defects on the slabs in high speed casting. The sliding plate and the submerged nozzle have also been improved for the prevention of nozzle clogging. Due to these changes, the number of casting sequences have been increased dramatically.

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