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Ferro Silicon

We offer standard ferrosilicon, allowing you to effectively improve the quality of your products and save of your production costs.

Brand Name: XLS Metals
Place of Origin: Henan, China
Shape: Lump, Grain, Powder, Brequette
Chemical Composition: Si, Fe, Mn, Al, C, P, S
Size: 0mm~10mm, 10mm~50mm, 50mm~100mm, 100mm~200mm
Package: Ton bag or customized according to customer requirements
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Product Introduction

What Is Ferro Silicon?

Ferro silicon is a gray color ferroalloy product which is made of iron and silicon. Different content of Si, Fe, Al, etc in Ferro silicon, different grade of ferro silicon, the most widely used is 75% ferro silicon and 72% ferro silicon . As we know that in the steelmaking industry, about 3-5 kg of 75% ferro silicon is consumed for every 1 ton of steel produced. Common particle sizes of ferro silicon are 0-3mm, 10-60mm, 50-100mm, etc. We are manufacturers of ferro silicon and can be customized according to user requirements.

What Is The Ferro Silicon?

Production Process Of Ferro Silicon

The raw materials of ferro silicon are coke, steel scrap, silica. Smelted in an electric furnace. In the process of steelmaking, silicon reacts with oxidation to produce SiO2, so ferro silicon can be used as a deoxidizer. Meanwhile when SiO2 is formed, a large amount of heat is released, it is beneficial to increase the temperature of the molten steel. XLS Metals produces high purity ferro silicon using an advanced ferro silicon production process. Our company have 2 set of 12500KVA ore furnace. By harnessing the high heat generated by graphite electrodes, we melt silica, coke, and scrap steel. Using high quality reducing agents, we remove the oxygen from the silicon dioxide present in silica and generate carbon monoxide gas, which is then released. Afterward, the molten ferro silicon is poured into dedicated molds to be shaped and processed into different grades of ferro silicon.

Achieve A Reduction In Production Costs By Using Ferro Silicon

Based on our statistics regarding customers using ferro silicon, most of them come from steel mills, followed by foundries. Steel mills require an oxygen charge in the furnace during the initial stages of steelmaking. This allows the furnace to heat up rapidly, reaching the high temperatures necessary for melting raw materials. However, excessive oxygen later on can result in higher oxide content in the molten steel, compromising the quality of the final product. Therefore, workers must deoxidize the steel melt.

Traditional deoxidizers are often quite expensive and offer limited effectiveness. To address this issue, ferroalloy manufacturers have developed ferro silicon as a more targeted deoxidizing material for steelmaking. Ferro silicon not only serves as a substitute for traditional deoxidizers but also effectively reduces harmful elements and helps float inclusions to the surface of the molten steel.

Importantly, ferro silicon is about 13% cheaper than traditional deoxidizers, making it widely adopted by steel mills. We once followed up with a customer from a steel mill who reported that after using our supplied ferro silicon 75, they saved on steelmaking costs. This positive experience led the customer to sign a long-term supply agreement with us.

Specification Of Ferro Silicon

The silicon content of ferro silicon is an important criterion for grade classification. Common ferro silicon grades include 75#, 72#, 65#, and 45#. Based on customer requirements, we can process different grades of ferro silicon into block, granular, or powdered forms to suit various applications.

Grade of Ferro Silicon

Chemical composition(%)

Si

Al

Ca

P

S

C

min

max

ferro silicon 75

75

1.5 2 0.04 0.02 0.2

ferro silicon 72

72

2 2 0.04 0.02 0.2

ferro silicon 70

70

2 2 0.04 0.02 0.2

ferro silicon 65

65

2.5 2 0.04 0.02 0.2
Size:0-3mm, 0-10mm, 10-50mm,50-100mm.

Uses Of Ferro Silicon

Ferro silicon produced by XLS Metals is primarily used in industries such as steelmaking, casting, ceramics, and semiconductors, with a customer base that spans the globe. The applications of ferro silicon vary slightly across different industries. In steelmaking, ferro silicon lumps with Si content ≥75% are commonly used, while in casting, the ferro silicon used has the same silicon content as that used in steelmaking. The difference is that the casting-grade ferro silicon is in lump form with Si ≥75%, typically having a particle size of 50mm to 100mm, and it is required to have low sulfur and low nitrogen characteristics. Based on our follow-up visits and statistics from customers, ferro silicon can be categorized into the following 5 uses.

  • Steel Making: In the steelmaking process, the main use of ferro silicon for steel is to deoxidize molten steel, thereby reducing the amount of oxides in the steel and allowing inclusions to float to the surface, facilitating easier removal by workers and effectively improving the quality of the steel.

  • Casting: The ferro silicon used in casting is required to be in lump form, with particle sizes ranging from 50mm to 100mm. Since nitrogen and sulfur can severely affect casting quality, there are strict requirements for these trace elements in ferro silicon, some special castings may also use low aluminum ferro silicon. Typically, the role of ferro silicon in casting is to enhance the inoculation effect on molten iron, increase the number of eutectic spheres, and in the production of graphite castings, its main purpose is to improve the graphite morphology and promote the graphitization process.

  • Metallurgy: In the metallurgy industry, ferro silicon is used as a good reducing agent. Its purpose in metallurgy is usually to facilitate the rapid extraction of elements from raw materials and to promote chemical reactions between elements in high-temperature environments, thereby enhancing production efficiency and reducing metallurgical costs.

  • Welding Rods: Few people know that ferro silicon is also used in welding rods, where it needs to be processed and milled into a powder. In this application, ferro silicon forms an oxidized layer on the surface of the welding rod, improving welding performance and extending its lifespan.

  • Ore screening: During the mining of ores, different ores must be screened. ferro silicon powder, possessing slight magnetic properties, demonstrates effective beneficiation capabilities. According to the density method, when ores are placed on the surface of ferro silicon powder, they can be effectively distinguished based on their varying densities. ferro silicon has widespread applications in mineral processing; due to its slight magnetism, it can be recycled after beneficiation, thereby significantly reducing processing costs.

Best Ferro Silicon Supplier And Ferro Silicon Manufacturer

XLS Metals( Anyang Xinlongsen Metallurgical Material Co.,ltd) has 20 years experience in producing ferro silicon in China .Good quality, Stable quantity , make us get more and more order from local and abroad market . XLS metals users are primarily manufacturers from Southeast Asian countries such as Japan, South Korea, Vietnam, and India. The company's ferro silicon products are widely used in steel manufacturing and casting processes. With high-quality products and reliable services, XLS metals has earned a strong reputation in the industry. The company's ferro silicon products have been certified by renowned organizations such as SGS, BV, and ISO 9001, and inspection certificates are issued for these products.

To enhance service quality, XLS metals offers 24/7 online support, allowing users to contact customer service via email or phone at any time. When users encounter issues while using ferro silicon, a team of experts analyzes the problems and provides precise and effective solutions, offering one-on-one guidance. Additionally, users interested in purchasing ferro silicon can receive free samples, enabling them to conduct inspections and chemical analyses to select the most suitable ferro silicon for their needs. With reliable quality of ferrosilicon and professional services, XLS Metals is widely recognized as the best ferrosilicon supplier and manufacturer within the user community.

Obtain Ferro Silicon Samples

If you are planning to purchase ferro silicon, we would be honored to be your ideal choice. You can reach out to our customer service manager by leaving a message or sending an email to let us know your needs. In return, you will receive a detailed product introduction and purchasing recommendations. If you are interested in obtaining samples of our ferro silicon, simply provide our customer service manager with the specific details about the samples you require, and we will arrange for free samples at no cost to you.

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