Abstract: The invention relates to a method for predicting and controlling the castability of liquid steel. According to said method, the chemical composition of a melt to be cast is analyzed, an alloy calculation is carried out, alloy elements and/or additions are determined in order to obtain defined material characteristics of the steel, and operating diagrams are drawn up for further treatment of the melt. The interactions of the alloy and/or addition elements, which influence the castability, are taken into account during the alloy calculation as supplemental conditions.

Abstract: In order to produce a steel strip (1), a continuous casting and rolling installation comprises a liquid steel storage device (2), a liquid steel charging device (3), a vertically operating casting device (5) with a revolving mold (6), a reduction device (7) with a plurality of roll pairs (8), a diverting device (9) for diverting the cast steel strip (1) into a horizontal position, a horizontally operating rolling mill (10) and a winding device (11), which are controlled via individual technological control loops (2? to 11?).

Abstract: The invention relates to a method for predicting and controlling the castability of liquid steel. According to said method, the chemical composition of a melt to be cast is analysed, an alloy calculation is carried out, alloy elements and/or additions are determined in order to obtain defined material characteristics of the steel, and operating diagrams are drawn up for further treatment of the melt. The interactions of the alloy and/or addition elements, which influence the castability, are taken into account during the alloy calculation as supplemental conditions.