The paper is dedicated to the verification of solidification of continuously cast round steel billets using numericalmodelling based on the finite element method. The aim of numerical modelling is to optimize the production of continuouslycast steel billets of round format. The paper describes the pre-processing, processing and post-processing phases of numericalmodelling. Also, the problems with determination of the thermodynamic properties of materials and the heat transfer betweenthe individual parts of the casting system, including the definition of the heat losses along the casting strand in the primaryand secondary cooling, were discussed. The first results of numerical simulation show the so-called thermal steady state ofcontinuous casting. The temperature field, the metallurgical length and the thickness of the shell at the end of the mould werepredicted. The further research will be concentrated on the prediction the risk of the cracks and the porosity based on thedifferent boundary conditions.
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