Introduction to Calcium Iron Cored Wire
Also referred to as calcium iron alloy cored wire, CaFe cored wire is an alloy cored wire product. It is manufactured by blending metallic calcium and iron powder in a predefined ratio, then wrapping the mixture with a cold-rolled low-carbon steel strip. Owing to the strict standards imposed by major steel mills on the inclusion morphology and content of pure steels like low carbon steel, ultra-low carbon steel and low silicon steel, calcium iron cored wire has become the preferred choice for calcium treatment in such steels.
Specifications of Calcium Iron Cored Wire
Reasons for Choosing Calcium Iron Cored Wire
The development of calcium iron cored wire addresses the drawback that conventional calcium-iron alloy deoxidizers fail to reach the deep regions of molten steel for effective reaction. Despite being a powerful deoxidizer, calcium features low specific gravity and melting point, which leads to easy bubble formation at high temperatures. Directly adding calcium metal particles or powder into the refining furnace results in rapid combustion, preventing it from penetrating the upper and deeper layers of molten steel and thus failing to attain the expected purification effect.
The core of calcium iron cored wire is made from a mixture containing 28%-35% calcium particles and 65%-72% iron powder, with a cold-rolled low-carbon steel strip as the outer sheath. This design utilizes iron to increase the specific gravity and melting temperature of calcium particles, slowing down calcium evaporation while cutting down production costs. Additionally, the weight of iron powder enhances the sinking speed of the cored wire, enabling it to quickly reach the optimal reaction zone in molten steel.
Benefits of Calcium Iron Cored Wire
- Enhanced Steel Quality：As a commonly used deoxidizer in molten steel refining, calcium iron cored wire prevents the formation of strip-shaped sulfide inclusions, thereby reducing the anisotropy of steel products and optimizing their overall performance.
- Comprehensive Purification：With the assistance of a wire feeder, the cored wire is fed into the deep part of molten steel for melting. It fulfills multiple functions including deoxidation, desulfurization and inclusion removal, effectively improving molten steel purity.
- Cost Efficiency & Stable Composition：It allows for precise adjustment of steel composition, boosts the recovery rate of metals and rare earth elements, reduces the dosage of precious metals, and ultimately lowers the overall steel refining cost.
Latest Price of Calcium Iron Cored Wire
As of November 3, 2023, the price range of calcium iron cored wire is 1650-1750 USD per ton (FOB Tianjin). For detailed quotations and technical parameters, feel free to get in touch with us.
Why Select ZX Calcium Iron Cored Wire?
ZX Ferroalloy is a professional manufacturer of alloy cored wires in China. We offer a diverse range of alloy cored wires, including calcium silicon cored wire, metallic calcium cored wire, carbon cored wire, FeSiMg cored wire and more.
We prioritize product quality above all else and support third-party inspections by institutions such as SGS, BV and CCIC. Equipped with four alloy cored wire production lines, we boast an annual production capacity of 20,000 tons, capable of steadily meeting the large-volume order requirements of our clients.
Contact Us
If you are in search of high-quality calcium iron cored wire, please do not hesitate to contact ZX Ferroalloy. We are committed to providing you with competitive prices and professional technical support.