Silicon Slag 55
Silicon Slag 55 (SiSlag55)
"SiSlag55: The Backbone of Stronger Alloys!"
High-performance slag (53-57% Si) designed for ferroalloy production and advanced deoxidation.
SiSlag55 is a high-performance silicon slag with 55-60% silicon content, designed for medium-performance alloys and refractory applications.
Its enhanced strength and durability make it a reliable choice for demanding industries.

Why Choose Silicon Slag 55 ?
Boosts silicon yield by 18-22% in ferrosilicon manufacturing.
Lowers carbon footprint via streamlined refining cycles.
✨ Enhanced Strength: Improves alloy strength by 20%.
✨Durability: Reduces wear and tear in refractory applications.
✨ Eco-Friendly: Sustainable production with 95% waste recycling.
The Specifications of Silicon Slag 55
Chemical Composition
| Element | Si ≥ (%) | Fe ≤ (%) | C ≤ (%) | Al ≤ (%) | Ca ≤ (%) | S ≤ (%) | P ≤ (%) | H₂O ≤ (%) | Oxides ≤ (%) |
|---|---|---|---|---|---|---|---|---|---|
| Content | 55 | 1.8 | 3.0 | 1.5 | 13 | 0.08 | 0.02 | 1.0 | 24 |
Advanced Refining Technology
SiSlag55 is produced using:
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 55-60) / Gas-atomized granulation (Grades 65-75).
Applications
Automotive Components
Ideal for crankshafts and gears requiring high wear resistance.
Construction Steel
Improves weldability and impact resistance in structural beams.
Heavy Machinery
Enhances durability of excavator buckets and agricultural equipment.
| Industry | Typical Applications | Customer Benefits |
|---|---|---|
| Alloys | Medium-performance alloys | Enhances strength and durability |
| Refractories | Furnace linings, castables | Improves thermal shock resistance |

Why Choose Fengyang?
ISO 9001 & ISO 14001 Certified
Our environmentally-friendly production processes ensure both quality and sustainability.
Certificates
Third-party inspection reports available.
Global Technical Support
Our metallurgists provide free alloy design consultations to maximize your results.
Everything You Need to Know
Q: How does SiSlag55 improve alloy strength?
A: It refines the microstructure and reduces harmful impurities, leading to denser, more uniform alloys.
Q: Can SiSlag55 be used in stainless steel production?
A: Yes! Its low carbon content makes it suitable for austenitic stainless steel grades.
Q: What is the typical melting temperature?
A: Approximately 1,350°C, which is 50°C lower than conventional slags.
Q: How does SiSlag55 compare to SiSlag50?
A: SiSlag55 has 5% higher silicon and 30% lower sulfur content for better desulfurization.
Q: Can I mix SiSlag55 with other fluxes?
A: Absolutely! It works seamlessly with calcium fluoride and alumina-based fluxes.
Q: Can I request a trial batch?
A: Of course! Contact us to receive a 1kg sample at a special introductory price.
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 SiSlag55 risk-free.
🌍 Global Delivery: Reliable logistics for seamless cross-border shipments.
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