9th ECCC European Continuous Casting Conference – ECCC 2017

The hot ductility trough experimental data of as melting samples has been quite well adjusted by the quantity of MnS precipitated in the solid, the MnS secondary precipitation. A numerical model has been developed to calculate the MnS primary precipitation during solidification, secondary precipitation in the solid during the ulterior cooling. The model calculated MnS secondary precipitation has been a useful parameter to explain published data along the years of hot ductility for as melting samples, and some surface defects of as cast billets.