Exceptional Desulfurization Efficiency: High chemical reactivity ensures fast formation of calcium sulfide (CaS), significantly reducing ladle treatment time and slag volume.
High Gas Yield & Low Impurities: High acetylene gas evolution (≥295\L/kg) with strictly controlled phosphorus and sulfur limits to ensure clean steel output.
UN-Certified Moisture-Proof Packaging: Delivered in 50kg or 100kg heavy-duty steel drums purged with dry nitrogen, preventing ambient oxidation during maritime transport.
In modern secondary metallurgy, achieving ultra-low sulfur levels and precise slag conditioning is critical for manufacturing high-strength, premium-grade steel alloys. As a leading chemical manufacturer, we supply high-purity calcium carbide steel desulfurization and refining agents specifically formulated for iron ladles, basic oxygen furnaces (BOF), and electric arc furnaces (EAF).
By leveraging our direct factory production capabilities, integrated steel plants and foundries sourcing calcium carbide steel additives can optimize their ladle furnace operations, cut treatment cycle times, and significantly lower total metallurgical flux costs.
Our metallurgical-grade calcium carbide (CaC2) undergoes stringent quality control and precise mechanical screening to ensure optimal performance during molten iron injection and top-addition processes.
| Technical Parameter | Standard Metallurgical Specification | B2B Commercial Value |
| Active Substance | CaC2 (Calcium Carbide) | Rapid reaction rate with dissolved sulfur in hot metal |
| Acetylene Gas Yield | ≥295\,L/kg @ 20℃, 101.3kPa | High chemical reactivity and deoxidation capacity |
| Granularity Options | 2-7mm / 7-15mm / 15-25mm | Tailored for pneumatic injection or hopper systems |
| Phosphorus (P) | ≤0.05% | Prevents steel re-phosphorization during refining |
| Sulfur (S) | ≤0.10% | Maintains ultra-low background impurity input |
| Packaging Compliance | UN 1402 Class 4.3 Approved | Nitrogen-purged steel drums (50kg/ 100kg) |
When injected pneumatically into molten iron ladles, calcium carbide steel reagents react instantly with dissolved sulfur to form stable calcium sulfide (CaS) slag. Due to its thermodynamic favorability, calcium carbide achieves superior desulfurization efficiency compared to lime alone, enabling steel mills to consistently achieve ultra-low sulfur limits (≤0.005%).
In electric arc furnace (EAF) operations, adding sized calcium carbide helps reduce iron oxide ($\text{FeO}$) levels in the slag. This deoxidation action restores valuable metal to the heat, improves alloy recovery rates, and assists in generating a stable foaming slag to protect furnace refractory linings.
The exothermic reaction of calcium carbide decomposition during ladle processing provides thermal energy to the melt, reducing electrical power consumption and helping steelmakers maintain optimum casting temperatures.
Consistent Metallurgical Quality: Every batch of our calcium carbide steel refining agent is strictly tested for active content and gas yield, ensuring predictable desulfurization rates without processing variances.
Custom Sizing Solutions: Whether your melt shop utilizes pneumatic lance injection or overhead bucket charging, we supply customized particle size fractions (2-7mm / 7-15mm / 15-25mm) to eliminate dust loss and maximize chemical contact.
Hermetic Moisture-Proof Packaging: Packed under dry nitrogen gas in 50kg or 100kg heavy-duty steel drums, ensuring maximum safety, zero degradation, and extended storage life.
Reliable Global Logistics: With a monthly supply capacity exceeding 8,000 Metric Tons, we provide seamless export shipping with complete ISO 9001 certification, COA per heat lot, and full UN 1402 dangerous goods handling.
Safe handling of hazardous metallurgical reagents is essential for industrial operations. All export orders of our calcium carbide additives adhere strictly to UN 1402 Class 4.3 dangerous goods regulations:
Packaging: Heavy-duty, nitrogen-purged steel drums (50kg or 100kg) secured on export-grade pallets with shrink-wrap protection.
Shipping Documentation: Full Safety Data Sheet (SDS), Certificate of Analysis (COA), ISO quality compliance certificates, and UN packaging certification provided with every shipment.
Supply Capabilities: Flexible FOB, CFR, and CIF commercial terms directly from factory ports to global steel mill destinations.
Upgrade your secondary steelmaking desulfurization efficiency with high-purity, factory-direct calcium carbide reagents.
Contact our metallurgical sales engineering team today to request technical data sheets, order samples, or receive a customized bulk price quote for your plant.
