Understanding Ferrosilicon | FeSi2 | CID 91886646

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Ferro Silicon: Overview | Leading Supplier and Manufacturer

What is Ferro Silicon?

Ferro silicon, a ferroalloy characterized by its gray hue, is primarily composed of iron and silicon. The variance in elements like Si, Fe, and Al in ferro silicon results in different grades, with the most prevalent being 75% and 72% ferro silicon. In steelmaking, approximately 3-5 kg of 75% ferro silicon is consumed per ton of steel produced. Common particle sizes for ferro silicon include 0-3mm, 10-60mm, and 50-100mm. We specialize in manufacturing ferro silicon and can tailor it to meet user specifications.

Ferro Silicon Production Process

The production of ferro silicon involves using raw materials such as coke, steel scrap, and silica, which are smelted in an electric furnace. During the steelmaking process, silicon undergoes oxidation to form SiO2, making ferro silicon an effective deoxidizer. The formation of SiO2 also releases heat, which is beneficial for raising the temperature of molten steel. At XLS Metals, we utilize a sophisticated ferro silicon production process to create high-purity products. Our facilities include two KVA ore furnaces where silica, coke, and scrap steel are melted using the heat generated by graphite electrodes. By employing high-quality reducing agents, we expel the oxygen in silicon dioxide and emit carbon monoxide gas. The molten ferro silicon is then cast into molds for shaping into various grades.

Reduce Production Costs with Ferro Silicon

Our data indicates that the majority of ferro silicon users are steel mills, followed by foundries. Steel mills must introduce oxygen into the furnace at the beginning stages of steel production to achieve rapid heating to necessary temperatures for melting raw materials. However, excessive oxygen later can inflate oxide content in the molten steel, negatively impacting final product quality, necessitating deoxidization of the steel melt.

Conventional deoxidizers can be costly and often lack effectiveness. Ferro silicon has emerged as a specialized deoxidizing material, offering equal or greater efficacy while reducing harmful elements and aiding inclusion removal from the molten steel. Notably, ferro silicon is approximately 13% cheaper than traditional deoxidizers, facilitating its popularity among steel mills. For instance, one steel mill we assisted reported cost savings after transitioning to our supplied 75% ferro silicon, leading to a long-term supply agreement.

Ferro Silicon Specifications

The silicon content is a key determinant in the classification of ferro silicon grades. Common grades include 75#, 72#, 65#, and 45#. Based on client demands, we process ferro silicon into block, granular, or powdered forms suitable for various applications.

Applications of Ferro Silicon

XLS Metals' ferro silicon is predominantly utilized in sectors such as steel manufacturing, casting, ceramics, and semiconductors, with a global customer base. Its application varies slightly among industries. In steelmaking, ferro silicon lumps with 75% Si content are standard, while in casting, the ferro silicon maintains similar silicon content but is in lump form, typically sized between 50mm and 100mm, with low sulfur and nitrogen content. Based on feedback and statistics, ferro silicon has five primary uses:

• Steel Making: The principal function of ferro silicon in steelmaking is deoxidizing molten steel, thereby curtailing oxide levels and allowing inclusions to ascend, facilitating their removal and enhancing steel quality.
• Casting: Casting-grade ferro silicon must be in lump form and adhere to strict requirements for nitrogen and sulfur due to their detrimental effects on casting quality. Its role in casting includes improving inoculation effects in molten iron, increasing the number of eutectic spheres, and aiding in the graphitization process in graphite castings.
• Metallurgy: Within metallurgy, ferro silicon serves as a potent reducing agent, promoting rapid extraction of elements from raw materials and facilitating high-temperature chemical reactions, thus enhancing production efficiency.
• Welding Rods: Ferro silicon also plays a role in welding rods, where it is processed into powder. It forms an oxidized layer on the welding rod, improving welding efficiency and durability.
• Ore Screening: In mining, the separation of different ores is vital. Ferro silicon powder, with slight magnetic properties, excels in beneficiation strategies. It allows ores to be sorted based on density, facilitating mineral processing and enabling recycling that lowers processing costs.

Your Premier Supplier and Manufacturer of Ferro Silicon

XLS Metals, also known as Anyang Xinlongsen Metallurgical Material Co., Ltd, boasts two decades of experience in ferro silicon production in China. Our commitment to quality and consistent supply has secured us a growing clientele both locally and internationally, particularly in Southeast Asia, including Japan, South Korea, Vietnam, and India. Our ferro silicon products are widely embraced in steel manufacturing and casting. We pride ourselves on high standards and remarkable service, earning certifications from respected entities like SGS, BV, and ISO, enhancing trustworthiness.

To ensure the highest service level, we provide 24/7 online assistance, enabling users to reach customer service at their convenience. Our expert team analyzes any issues users face with ferro silicon and offers tailored solutions and guidance. Those interested in procuring ferro silicon can request free samples for testing and chemical evaluations to identify the most suitable product.

Request for Ferro Silicon Samples

If you are considering purchasing ferro silicon, we would be honored to support you. Contact our customer service manager through a message or an email, and we will gladly provide comprehensive product information and purchasing advice. If you wish to receive samples of our ferro silicon, inform our customer service manager of the specifications you require, and we will arrange complimentary samples for you.

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