Castables for blast furnace main runners, troughs and swing spouts with high iron throughput.
Iron runner castables are purpose-built for BF casthouse main troughs, slag runners and swing spouts, using a corundum-SiC matrix to resist continuous washing by 1500℃+ hot metal with high per-tap throughput. With steel fibers and precast channels, repair time drops from days to hours.
3 products
Al2O3-SiC-C iron runner castable is made of high-grade bauxite clinker with SiC and carbon additives, offering excellent slag resistance, erosion resistance and thermal shock stability for blast furnace main troughs to achieve long service life.
Chemical composition Al₂O₃≥55%
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Iron runner castable purpose-built for blast furnace troughs with Al₂O₃≥65%, SiC+C≥15% and 1550℃ max service. Resists continuous erosion by hot iron and slag. For main trough working linings, branch runners, swing spouts, slag runners and trough covers—the core refractory of the cast house.
Max. Service Temp.1550℃
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Swing spout castable is dedicated to the curved linings of blast furnace swing spouts, Al₂O₃≥60%, 1500℃ max service. Sharing the Al₂O₃-SiC-C system with runner castables, it withstands continuous high-velocity iron flow and abrasion for swing spout linings, launders to ladles and small runners.
Max. Service Temp.1500℃
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