Ferro Silicon Deoxidizer High Quality

 

Ferro Silicon Deoxidizer High Quality

Ferro silicon deoxidizer high quality is widely used in low-alloy structural steel, bond steel, spring steel, bearing steel, heat-resistant steel, electrical silicon steel, etc. It is often used as a reducing agent in ferroalloy production and chemical industry.
 

ferrosilicon Production and Properties

Ferrosilicon (FeSi) is an iron-silicon alloy primarily composed of iron (Fe) and silicon (Si), typically containing 15% to 90% silicon by weight. Widely used in steelmaking and foundry industries, it serves as a deoxidizer, alloying agent, and inoculant. Its unique properties enhance the strength, corrosion resistance, and magnetic characteristics of final products. Produced by reducing silica (SiO₂) with carbon in an electric arc furnace, ferrosilicon appears as a metallic gray solid with a crystalline or lumpy structure. Its melting point ranges between 1,200°C and 1,400°C, depending on silicon content.

China and Norway dominate global production, accounting for over 70% of output. Quality standards such as ISO 5445 and ASTM A100 ensure consistent chemical composition and particle size distribution. Ferrosilicon is classified as a hazardous material for transport due to potential hydrogen gas emission when wet. With its critical role in metallurgy and growing demand in renewable energy sectors (e.g., silicon solar cells), ferrosilicon remains indispensable for modern industrial processes.
 

ferrosilicon specification

 

product name	Ferrosilicon
chemical component Si	65-75%
specification	10-100 mm, 10 -50 mm
application	Powder Metallurgy, Welding Electrodes etc.

 

delivery & payment

Q: How long is your delivery time?

A: Generally it is 7-14 days if the goods are in stock. or it is 25-45 days if the goods are not in stock, it is according to quantity.

Q:Can we get the some samples?Any charges?

A: Yes , we could offer the sample for free charge but do not pay the cost of freight . If you place the order after confirm the sample , we will refund your express freight or deduct it from the order amount .

Q: What is your terms of payment ?

A: 30% T/T deposit , 70% balance by T/T or L/C before shippment.
 

Applications in Modern Steelmaking

As a deoxidizer, ferro silicon reacts with oxygen dissolved in molten steel to form silica, which floats to the surface as slag. This deoxidation process improves steel cleanliness and mechanical properties. In addition to deoxidation, ferro silicon serves as an alloying agent to increase silicon content in electrical steel, improving magnetic permeability and reducing hysteresis loss. In the foundry industry, ferro silicon inoculants promote graphite nucleation in cast iron, enhancing tensile strength and machinability. Our ferro silicon deoxidizer conforms to ASTM A100 and ISO 5445 specifications, ensuring consistent performance across batches.
 

Packaging & Logistics

Standard packaging includes 1-ton bulk bags with moisture-proof inner lining. Smaller quantities can be packed in 25kg or 50kg polypropylene bags. We accept LCL and FCL shipments, with typical delivery of 7-14 days for stocked items and 25-45 days for custom orders.