Calcium Silicon Cored Wire For Mold Steel

Calcium Silicon Cored Wire for Mold Steel uses high-quality low-carbon steel strip as its outer sheath, precisely coated with high-purity calcium silicon alloy powder. Through a wire feeder, it is precisely injected deep into the molten steel, achieving deep deoxidation, efficient desulfurization, inclusion modification, and steel purification. It addresses the root causes of internal inclusions, surface defects, and insufficient corrosion resistance in stainless steel, significantly improving its purity, yield, and added value. It is suitable for the production of food-grade, medical-grade, marine-grade, and industrial-grade stainless steel.

Deep Deoxidation and Desulfurization: The synergistic effect of silicon and calcium rapidly reacts with oxygen and sulfur in molten steel, generating products such as CaO, CaS, and SiO₂. These products float uniformly to remove slag, effectively reducing the oxygen content of molten steel to ≤20ppm and the sulfur content by 40%-50%. This resolves defects in stainless steel such as subcutaneous porosity, internal looseness, and surface pitting, improving the purity of stainless steel and meeting the requirements of high-end stainless steel production.

Improved Processing Performance and Enhanced Corrosion Resistance: High-melting-point, brittle inclusions such as Al₂O₃ in molten steel are transformed into low-melting-point, easily removed calcium aluminates. This achieves spheroidization and refinement of inclusions, preventing blockage of continuous casting nozzles, improving the fluidity of molten steel, and simultaneously enhancing the tensile strength, toughness, and corrosion resistance of stainless steel. It is suitable for various processing scenarios such as stainless steel plates, pipes, and wires.

High yield: The wire feeding process can accurately deliver the silicon-calcium alloy to the deep layers of the molten steel, reducing the oxidation and burning loss of calcium and silicon elements. The calcium yield is 2-3 times higher than that of traditional block alloys, and the silicon yield is more than 10% higher.

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