Abstract
The tundish is an effective metallurgical reactor for the improvement of steel cleanliness. During the last two years, in a joint research program, Hoogovens and Irsid have examined several aspects of tundish metallurgy. Different advanced techniques have been studied : –basic powders, as a metallurgical active slag ;–dams and weirs, for flow control; an optimization of fluid flow has been assessed with the use of modern numerical calculation techniques ;– filtering, argon bubbling and control of the atmosphere in the tundish are aids to decrease the oxidic level in the steel.To assess steel cleanliness, total oxygen measurements combined with sophisticated inclusion count methods have been applied.
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