Engineered multi-component deoxidizer combining active aluminum and silicon in optimized proportions for comprehensive steel deoxidation. Provides synergistic deoxidation performance exceeding single-element deoxidizers for improved steel cleanliness.
Multi-component deoxidizers represent a significant advancement over traditional single-element deoxidation practice by harnessing the synergistic effects of aluminum and silicon working in combination. When aluminum and silicon dissolve simultaneously in molten steel, they produce a mixed oxide system (Al2O3-SiO2) rather than the pure alumina that results from aluminum-only deoxidation. These complex oxide inclusions have lower melting points than pure alumina (which melts at 2054°C) and are significantly easier to coalesce and float out of the steel bath through gas stirring, resulting in improved steel cleanliness with fewer and smaller non-metallic inclusions in the final product.
The practical advantage of our pre-blended multi-component deoxidizer is most apparent during the critical EAF tapping operation, where rapid oxygen removal is essential to prevent carbon re-oxidation and associated slag foaming. A single addition of 1.5–3.0 kg per ton of steel during tapping reduces dissolved oxygen from the 300–600 ppm range down to 30–80 ppm, establishing optimal conditions for subsequent ladle furnace refining. This single-step approach eliminates the coordination complexity of adding separate ferrosilicon and aluminum materials, reduces the risk of over-deoxidation, and shortens the overall tap-to-tap time by 2–5 minutes—a significant productivity improvement in facilities producing 40–60 heats per day.
The economic case for multi-component deoxidizers extends beyond the direct material cost savings. By reducing the total number of alloy additions, our deoxidizer also reduces the handling labor, storage space, and inventory management overhead associated with maintaining multiple deoxidizer materials. The pre-blended formulation ensures homogeneity at the granule level, meaning every handful of material delivers the same Al/Si ratio to the steel bath. Each batch is produced under stringent quality controls with chemical analysis verified by XRF and wet chemical methods, and particle sizing is confirmed by sieve analysis to ensure consistent performance across every shipment.
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Standard FeSi 75% ferrosilicon alloy, the workhorse deoxidizer and silicon source in steelmaking. Provides reliable silicon recovery for deoxidation, alloying, and cast iron inoculation across the full spectrum of steel grades.
Primary aluminum ingots with 99.7%+ purity, produced for steelmaking deoxidation and alloying applications. Available in standard 20 kg ingots, ensuring consistent quality and reliable performance in killing steel and controlling inclusion morphology.
CaSi 30/60 calcium silicon alloy for composite deoxidation, inclusion modification, and desulfurization in steelmaking. Dual-action calcium and silicon treatment for clean steel production.
