Brick, Hearth Monolithic and Nozzles
We supply high-quality refractory bricks to the steel industry.
Our high quality refractory bricks are for electric arc furnaces, ladles and tundishes and are manufactured for IMACRO by ISO certified partners in China, Turkey and England.
Furnaces
Roofs
70% to 90% alumina for annular roof rings. Key-arch-wedges are supplied. These can be installed with Macroram AP85 ramming mix in the gaps between rings and the electrode openings.
Upper Sidewalls
Magnesia-chrome direct-bonded key brick to withstand the temperature and physical abrasion from the scrap steel charge.
Slag Line
Magnesia-carbon brick made with high purity fused magnesia, graphite flakes, with total carbon up to 15%. Anti-oxidant metals can be included. Standard 13.1/2”, 15”, 18”, 21” and 24” keys are available. Other non-standard shapes can be provided.
Sub-Hearth
High magnesia burned brick, with and without tar-impregnation, to provide a strong safety lining in the event the monolithic hearth refractory is eroded.
Hearth Monolithic
72% magnesia with excellent sintering to withstand the impact of scrap charge, molten steel and molten slag. Versions for cold and hot application are available.
Ladles
Wear Pads
Alumina-magnesia-carbon bonded brick to take the brunt of the impact of the molten steel charge stream. This can be for the side wall or floor.
Barrel and Floor
Alumina-magnesia-carbon bonded brick, fired dolomite-magnesia brick, pitch and resin-bonded dolomite, pitch and resin-bonded dolomite-magnesia or mag-carbon brick with levels of 5% to 8% carbon can be supplied. IMACRO will review your operation, and propose one or more of these brick types and the per cent of total carbon.
Slag Line
Mag-carbon brick made with high purity fused magnesia, graphite flakes, with total carbon up to 10 to 15%. Grades with 100% fused magnesia and with portions of sintered magnesia can be supplied. Anti-oxidant metals can be included. Standard semi-universal shapes and mini-keys are available.
Tundishes
Nozzles
Metering nozzles with zirconia inserts have given proven performance.
For additional information contact info@Imacroinc.com
Products and Consulting Services for the steel, non-ferrous metals, and manufacturing industries / refractories.