Silicon Slag 50
Silicon Slag 50 (SiSlag 50)
"SiSlag50: Elevate Your Casting Efficiency!"
Improved Casting Yield | Low-Alloy Steel
Silicon Slag 50 (SiSlag50) is a premium silicon slag with 50-55% silicon content, ideal for foundry inoculants and low-alloy steel production. Its optimized composition ensures improved casting yield and consistent performance.

Why Choose Silicon Slag 50 ?
Reduces slag viscosity, improving casting flow efficiency.
Compatible with electric arc furnace (EAF) and ladle refining.
✅ Improved Yield: Boosts casting yield by 25%.
✅ Cost Savings: Reduces alloying costs by 15%.
✅ Eco-Friendly: Sustainable production with 95% waste recycling.
The Specifications of Silicon Slag 50
Chemical Composition
| Element | Si ≥ (%) | Fe ≤ (%) | C ≤ (%) | Al ≤ (%) | Ca ≤ (%) | S ≤ (%) | P ≤ (%) | H₂O ≤ (%) | Oxides ≤ (%) |
|---|---|---|---|---|---|---|---|---|---|
| Content | 50 | 2.0 | 3.5 | 1.8 | 15 | 0.1 | 0.03 | 1.0 | 26 |
Size and Models
Choose from our standard sizes:
0-3mm (fine granules) 3-5mm (medium pellets) 5-10mm (coarse chunks)
Custom sizing available upon request for specialized equipment.
Production Process
Raw Material Sourcing: Selectively imported quartzite with ≤0.1% impurities.
Arc Furnace Smelting: 1600-1800°C reduction under controlled O₂ levels.
Post-Processing: Water quenching (Grades 45-60) / Gas-atomized granulation (Grades 65-75).
Applications
Gray Iron Castings
Improves graphite morphology for stronger, more ductile components.
Steel Foundries
Acts as a powerful deoxidizer while contributing to desirable mechanical properties.
Automotive Components
Ideal for producing engine parts and structural components requiring high wear resistance.
| Industry | Typical Applications | Customer Benefits |
|---|---|---|
| Casting | Foundry inoculant | Improves casting yield by 25% |
| Steelmaking | Low-alloy steel production | Enhances strength and durability |

Why Choose Fengyang?
ISO 9001 Certified
Every ton of SiSlag50 undergoes rigorous testing in our fully-equipped lab, ensuring compliance with international standards.
On-Time Delivery
We maintain a large inventory and work with reliable logistics partners to guarantee quick turnaround even for urgent orders.
25+ Years Expertise
China's Top 5 silicon slag exporter (2023 SMM Ranking).
Everything You Need to Know
Q: How does SiSlag50 compare to SiSlag45?
A: SiSlag50 offers higher silicon content (50% vs 45%) with lower iron and carbon levels for improved alloying efficiency.
Q: Can SiSlag50 be used in induction furnaces?
A: Yes! Its low melting point makes it suitable for both electric arc and induction melting processes.
Q: What is the typical bulk density of SiSlag50?
A: Approximately 2.5-2.8 g/cm³, ensuring efficient storage and handling.
Q: Does SiSlag50 require special handling?
A: No, but we recommend storing in dry conditions to prevent moisture absorption.
Q: Can I request a customized silicon content?
A: Absolutely! Our technical team can tailor compositions to meet your specific requirements.
Q: How does SiSlag50 affect melt temperature?
A: It lowers the melting point of base metals, reducing energy consumption during processing.
Q: Are there any certifications available?
A: Yes, we provide SGS reports and Material Safety Data Sheets (MSDS) upon request.
Q: Do you offer discounts for bulk purchases?
A: Yes! Contact our sales team for volume pricing and special promotions.
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!
Need a Custom Formula?
📩 Contact us today to discuss your requirements!
📞 Get a Quote: Click to chat with our experts for a customized solution.
📦 Request Samples: Test our Silicon Slag 50 risk-free.
🌍 Global Delivery: Reliable logistics for seamless cross-border shipments.
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