SERVICE OF LINING OF THE THERMOINSULATING COVERS FOR STEEL-TEEMING LADLES IN THE JOINT-STOCK COMPANY 《INTEGRATED IRON-AND-STEEL 'WORKS 'AZOVSTEEL'

摘要

In the joint-stock company 《Integrated iron-and-steel works 《Azovsteel》 the durability of the thermoinsulating covers lining reached the level half as much again owing to use of the high-quality refractory corundum concrete mix of the grade CKrm (SCpl)-50-90 (Specifications V 14-7-176-99) being produced by the joint-stock company 《A.S.Berezhnoy UkrNIIO》 as well as to improvement of the thermoinsulating covers design. Specific expenditures on production of the concrete mix grade CKnji-50-90 have been reduced by 0,145 gryvni per ton of converter steel. This mix is recommended for a wide use in metallurgical plant for severe conditions of exploitation.