Development of the High-Speed, Thin-Slab Casting Technology of POSCO

Posted on 29 July 2013

This paper is the 2013 Ladle and Secondary Refining Award for Best Paper winner. For more information about AIST awards, visit

Recent reports suggest that increased silicon levels improve ladle desulfurization of aluminum killed steel. Experiments have been conducted on molten steel to test the effect. Sampling was done at regular intervals to study the evolution of sulfur, silicon and aluminum in the steel as a function of time. The results show that silicon can indeed suppress consumption of aluminum by side reactions other than desulfurization.

Source: Byeoung Jin Min;Sang Hyeon Lee;Geon Shin

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