
Silicon Metal 553
Silicon Metal 553
553 Economy Silicon Metal
Steel Deoxidation | Casting | General Industrial Use
553 silicon metal is an economical choice for the steel and casting industries, with a silicon content ≥98.7% and moderate impurity levels (Fe/Al ≤0.5%, Ca ≤0.3%). It is widely used as a deoxidizer and in general casting applications.

Why Choose 553?
✨ Casting Champion: Boosts casting yield by 20%.
✨ Alloy Ally: Makes aluminum alloys 10% stronger.
✨ Eco-Friendly: 95% waste recycling – because we love the planet.
The Specifications of Silicon Metal 553
Chemical Composition
Element | Si ≥ | Fe ≤ | Al ≤ | Ca ≤ | P ≤ |
---|---|---|---|---|---|
Content | 98.7 | 0.5 | 0.5 | 0.3 | - |
Different sizes of ferrosilicon
Flexible Solutions for Your Production Needs!
Classification | Size Range | Application Scenarios | Melting/Processing Characteristics |
---|---|---|---|
Lump | 10-100 mm |
Large blast furnaces, ensuring uniform reactions |
Stable reactions in high-temperature environments |
Coarse | 10-50 mm |
Large-scale industrial applications (e.g., construction, metallurgy) |
Enhanced structural integrity in bulk processing |
Granular | 1-10 mm |
Electric arc furnaces, improving melting efficiency by 30% |
Faster melting due to increased surface area exposure |
Powder | ≤1 mm |
Powder coatings (automotive, aerospace), food processing, pharmaceuticals |
Ultrafine particles for high adhesion and rapid melting; application in advanced manufacturing |
Production Process
🔧 Key Process Highlights:
Raw Material Selection: Standard quartz sand + low-ash carbon reductant.
Arc Melting: Temperature controlled at 1700°C±30°C.
Smart Grading: Airflow separation ensures uniform particle size (D50=150μm).
Applications
Industry | Typical Applications | Customer Benefits |
---|---|---|
Steel | Deoxidizer | Reduces cost per ton by 5% |
Casting | General castings | Improves casting yield by 15% |
Chemicals | Silicon-based compounds | Enhances reaction efficiency by 10% |

Why Our Silicon Metal Stands Out?
Quality Assurance
Third-party inspection reports provided for each batch.
Customization
Adjust particle size and pre-alloying modifications.
Technical Support
20+ years of metallurgical expertise for process optimization.
Everything You Need to Know
Q: What is the minimum order quantity (MOQ) for 553 silicon metal?
A: MOQ is 25 ton for trial orders.
Q: Can you provide third-party inspection reports?
A: Yes, our engineers provide casting parameter optimization.
Q: Is 553 suitable for steelmaking deoxidation?
A: Yes, it is widely used as a cost-effective deoxidizer.
Q: Can you handle urgent orders?
A: Yes, we prioritize urgent orders and offer expedited shipping options.
Q: Do you offer bulk discounts?
A: Yes, we provide competitive pricing for large-volume orders.
If you have any other questions, feel free to contact our support team. We're here to help you find the best ferrosilicon solutions for your needs!
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