Abstract
Research is conducted within the scope of the Clean Steel project into reasons for variation of the metal level in a crystallizer and breakouts of the crystallizing metal skin in a thin-slab CCM, and also a study of reasons for defect formation in hot-rolled strip. Examples are provided of improved monitoring and control of the VMZ casting and rolling complex (CRC) technology. Implementation of the monitoring production technology – evaluation of metal product quality – operational adjustment of technology concept makes it possible to reduce the CCM emergency situation index to less than 0.5 ton/105 tons of steel, and also to determine factors influencing the formation of transverse cracks over a rolling mark, and to remove defect formation.
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