Ferro Silicon 72 (FeSi 72) is a widely used ferroalloy containing approximately 72% silicon and 28% iron. It is produced by smelting high-quality quartz, steel scrap, and coke in an electric furnace. As a cost-effective and efficient deoxidizer and alloying agent, Ferro Silicon 72 is essential in steelmaking and casting industries. Its performance and affordability make it a preferred choice for many metallurgical applications.
Ferro silicon 72 Characteristics
Ferrosilicon 72 Physical Properties
FeSi72 has the following physical properties:
Density: 2.4 – 2.7 g/cm³
Melting Point: 1200 – 1250°C
Hardness: High
Ferrosilicon 72 Chemical Composition
The typical chemical composition of FeSi72 is as follows (by weight percentage):
Silicon (Si): 72%
Iron (Fe): 24-27%
Aluminum (Al): ≤2.0%
Carbon (C): ≤0.2%
Phosphorus (P): ≤0.04%
Sulfur (S): ≤0.02%
Ferrosilicon 72 Product Specifications
FeSi72 is usually supplied in lump, granular, or powder form, with common specifications as follows:
FeSi72 Lump: 10-50mm, 50-100mm
FeSi72 Granular: 0-3mm, 3-10mm
FeSi72 Powder:<0.3mm
Advantages of ferrosilicon 72
1. Optimized Silicon Content (≥72%): Delivers effective deoxidation with excellent metallurgical stability.
2. Cost-Performance Balance: Offers strong deoxidizing power while reducing production costs compared to higher-grade alternatives.
3. Consistent Quality: Manufactured under strict quality control to ensure uniform chemical composition and reliable performance.
4. Multiple Forms and Sizes: Available in natural blocks, standard lumps, granules, and powders to meet various industrial needs.
5. Improves Product Quality: Enhances steel purity, reduces slag volume, and improves cast iron properties.
Ferrosilicon 72 uses
Steel Industry: Acts as a deoxidizing agent in the production of carbon steel, structural steel, and special steel grades.
Foundry Applications: Used as an inoculant and nucleating agent in cast iron to improve graphite distribution and mechanical properties.
Magnesium Production: Plays a crucial role in the Pidgeon process, where it reduces magnesium oxide to produce metallic magnesium.
Welding Electrode Coating: Used as an additive in electrode manufacturing for improved arc stability and weld quality.
Production of Other Ferroalloys: Contributes to the creation of silicon-based alloys used in automotive and aerospace applications.
Why Choose Our Ferrosilicon 72?
1. Experienced Manufacturer: Hongshun Industrial is a professional ferroalloy supplier with a strong reputation for product quality and service.
2. Wide Range of Sizes: We supply Ferro Silicon 72 in 0–1mm, 1–3mm, 3–10mm, 10–50mm, and 50–100mm, with custom sizing available upon request.
3. High Purity & Low Impurities: Guaranteed low content of impurities such as aluminum, phosphorus, and sulfur.
4. Stable Supply Chain: Direct factory delivery ensures steady availability and prompt shipping.
5. Competitive Ferrosilicon Price: Factory-direct pricing and flexible ordering help you reduce procurement costs without compromising on quality.
