Products Description
Ferro Silicon Calcium alloy is an important alloy material, which is produced by reacting raw materials such as silica, lime, and coke at high temperatures (around 1500-1800 degrees Celsius) in a strong reducing atmosphere. The production methods of silico-calcium alloy typically include one-step and two-step processes. The one-step production involves two feeding methods: mixed feeding and layered feeding, while the two-step process involves two separate production steps.

Specification
| Grade | Ca (%) | Si (%) | Al (%) Max | P (%) Max | Form |
|---|---|---|---|---|---|
| Ca30Si60 | 30 ±1 | 60 ±2 | ≤ 2.4 | ≤ 0.04 | 10–50mm, 3–10mm |
| Ca28Si55 | 28 ±1 | 55 ±2 | ≤ 2.5 | ≤ 0.05 | Lump or Granule |
| Ca24Si55 | 24 ±1 | 55 ±2 | ≤ 2.5 | ≤ 0.05 | Customized Sizes |
Introduction of Calcium Silicon
Ferro Silicon Calcium alloy is primarily composed of silicon and calcium, with small amounts of impurities such as iron, aluminum, carbon, sulfur, and phosphorus. In the steel industry, Ferro Silicon Calcium is widely used as a calcium additive, deoxidizer, desulfurizer, and modifier for non-metallic inclusions. Its addition can effectively improve the performance of steel, enhancing its mechanical properties and corrosion resistance.
Furthermore, silico calcium alloy plays a significant role in the cast iron industry, primarily as an inoculant and modifier. By adding silico calcium alloy, the solidification structure of cast iron can be improved, resulting in enhanced mechanical properties and surface quality of castings.
In addition to pure Ferro Silicon Calcium, other elements can be added according to specific requirements to form ternary or multivariate composite alloys, such as Si-Ca-Al, Si-Ca-Mn, and Si-Ca-Ba. These composite alloys are used in steel metallurgy as deoxidizers, desulfurizers, denitrogenizers, and alloying agents, allowing for the adjustment of steel's chemical composition and properties to meet various process requirements and product demands.
FAQ
Q: Q: What is payment term?
A: A: T/T OR L/C
Q: Q: How about delivery time?
A: A: Within 10 days after payment
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