Melted grain of alumina - titanium oxide - zirconia having, for a total of 100%, the following chemical composition: - Al2O3: more than 10%, and less than 50%; - TiO2: more than 10% and less than 40%; - ZrO2: more than 50%, - Impurities: less than 2%, the percentages being percentages by mass on the basis of the oxides. Application to drawer plates for the continuous casting of steel
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