ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Removal of Inclusion from Molten Steel in Continuous Casting Tundish
Nagayasu BesshoHisao YamasakiTetsuya FujiiTsutomu NozakiShouichi Hiwasa
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1992 Volume 32 Issue 1 Pages 157-163

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Abstract

The chemical compositions of tundish flux were studied to decrease oxygen content in molten steel in the tundish. Production scale experiments revealed that high basicity flux (CaO/SiO2≥11.0) is superior in decreasing oxygen content, compared with low basicity flux (CaO/SiO2=0.83). Oxidation and deoxidation rates in the tundish were evaluated quantitatively based on the experimental results. Mathematical model was developed to make clear the behavior of oxygen concentration and to predict the change in oxygen concentration during casting. The effects of influential factors on the change in oxygen concentration were discussed.

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© The Iron and Steel Institute of Japan
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