Ferro Silicon 75 Lumps High Reactivity Grey Metallic For Steel Industry Deoxidizer And Alloying
Ferro Silicon 75 lumps contain approximately 75% silicon, with the balance iron and minimal impurities. Their grey metallic appearance reflects high iron content and dense structure. Known for high reactivity, this grade is a staple deoxidizer and alloying agent in the steel industry.
| Property |
Typical Specification |
| Si content |
~73-78% (nominal 75%) |
| Form |
Irregular dense lumps (10-80 mm) |
| Color |
Grey metallic |
| Reactivity |
High - rapid SiO₂ formation in melt |
| Impurities |
Low Al, P, S |
| Main use |
Deoxidizer, silicon alloying in steel |
Key Features
- High silicon concentration: Quickly removes oxygen from molten steel as SiO₂ slag, reducing porosity and improving cleanliness
- High reactivity: Ensures fast dissolution, shortening refining time
- Dense lumps: Resist crumbling during transport and charging, allowing consistent dosing
Benefits in Steel Industry
- Enhances strength, toughness, and magnetic properties of carbon and alloy steels
- Improves weldability and reduces cracking in structural steels
- Supports production of electrical steels and HSLA steels where precise Si control is critical
Applications
- Primary steelmaking (BOF, EAF) deoxidation
- Ladle refining for rebar, pipeline, and automotive steels
- Alloying in specialty steel programs
Specifications Ferro Silicon
| Brand |
Si% ≥ |
Al% ≤ |
Ca% ≤ |
P% ≤ |
S% ≤ |
C% ≤ |
Fe% |
| FeSi75 |
75 |
1.5 |
1 |
0.035 |
0.02 |
0.2 |
Balance |
| FeSi72 |
72 |
1.5 |
1 |
0.04 |
0.02 |
0.2 |
Balance |
| FeSi70 |
70 |
1.5 |
1 |
0.04 |
0.02 |
0.2 |
Balance |
| FeSi65 |
65 |
2 |
1 |
0.04 |
0.02 |
0.2 |
Balance |
Sizes: 10-50mm, 0-3mm, 1-3mm, 0-10mm or as your requirement or according to customers' requirements
Available sizes: 0-1mm, 1-3mm, 3-10mm, 300mesh
Packing & Delivery
Packing: 25Kg/bag, 1MT/bag or as your requirements.
Remark: chemical composition and size can be optimized by the customers' requirements.
Why Choose ZhenAn?
We understand the common pain points in Ferro Silicon sourcing today:
- High local cost and unstable supply
- Long lead times affecting project schedules
- Incomplete product ranges
- Slow communication and lack of follow-up
We Help Solve These Problems With:
- Large stock ready for fast delivery
- One-stop sourcing for Ferro Silicon, silicon metal, Silicon Metal Powder, and more
- Strict quality control with international standards
- Experienced sales team with fast response and clear communication
We'd love to learn more about your needs and offer you competitive prices and efficient service.
"Customer-centered, market-oriented, reputation-based development, and management to create benefits."
ZhenAn strives to be a leader in the global metallurgical alloy industry, delivering reliable, high-purity, and cost-effective products for steel, foundry, energy, and advanced manufacturing sectors.
FAQ
Q: How's the delivery time?
A: It depends on the quantity you need.
Q: Are you a manufacturer or trader?
A: We are a manufacturer.
Q: How is the product quality?
A: The products undergo strict inspection before shipment, so quality is guaranteed.
Q: How do you guarantee the quality?
A: Our factory's lab provides a quality report, and we can arrange third-party inspection at the loading port.
Q: Can you supply special sizes and packaging?
A: Yes, we can provide sizes and packaging according to the buyer's request.
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