Silicon Carbide SiC 88% – 90% (Low Al/Fe)
High-Purity Metallurgical Solution for Controlled Steelmaking
Silicon Carbide (SiC) with low aluminum and iron impurities is specifically designed for metallurgical applications where purity and reaction efficiency are critical. Compared with standard grades, Low Al/Fe SiC provides better control over final steel composition, reduces unwanted inclusions, and enhances overall process stability.
For steel mills and foundries targeting consistent quality, this grade offers a balanced combination of cost-efficiency and metallurgical performance.
Technical Specifications
| Parameter | Specification |
|---|---|
| SiC Content | 88% – 90% |
| Aluminum (Al) | ≤0.6% |
| Iron (Fe) | ≤0.5% |
| Fixed Carbon | ≥2.5% |
| Volatile Matter | ≤0.4% |
Industrial Applications
Steelmaking Processes
In electric arc furnaces and converter operations, low Al/Fe SiC plays a critical role in minimizing impurity introduction during deoxidation. By reducing aluminum and iron contamination, it helps maintain tighter control over steel chemistry, especially in high-specification grades.
Foundry Applications
In iron casting, the use of cleaner SiC improves graphite formation and reduces the risk of inclusions. This results in better mechanical properties and improved casting surface quality.
Alloy Production
For ferroalloy producers, low impurity levels ensure that the final alloy composition remains within strict tolerances, reducing the need for corrective additions later in the process.
Metallurgical Mechanism
When introduced into molten metal, Silicon Carbide decomposes under high temperature, releasing silicon and carbon. The silicon reacts with oxygen, acting as an efficient deoxidizer, while carbon contributes to reduction reactions and composition adjustment.
With reduced aluminum and iron content, fewer secondary oxides are formed. This leads to cleaner slag, improved metal purity, and enhanced recovery rates of active elements.
Performance Comparison
| Criteria | Low Al/Fe SiC | Standard SiC |
|---|---|---|
| Impurity Control | Excellent | Moderate |
| Inclusion Risk | Low | Higher |
| Reaction Stability | High | Medium |
| Steel Quality Impact | Significant | Limited |
Application Guidelines
The use of low Al/Fe Silicon Carbide should be optimized based on furnace type and production goals. In high-grade steel production, it is typically added during the refining stage to ensure maximum efficiency and minimal impurity pickup.
Dosage generally ranges from 0.4% to 1.0% of the total charge. However, precise adjustment depends on the desired silicon content and oxygen level in the melt.
Available Sizes
| Size Range | Typical Use |
|---|---|
| 0–0.5 mm | Rapid reaction and fine tuning |
| 0.5–3 mm | Controlled metallurgical processes |
| 3–8 mm | Standard steelmaking |
| 8–20 mm | Long-duration melting |
Key Benefits for Buyers
Low Al/Fe Silicon Carbide is particularly valuable for operations that prioritize consistency and product quality. By reducing impurity-related defects, it minimizes rework and improves yield rates. Additionally, better reaction efficiency means lower overall consumption, contributing to cost savings over time.
For exporters and high-end manufacturers, this grade supports compliance with stricter international standards.
Grade Selection Insight
| Grade Type | Recommended Use |
|---|---|
| Low Al/Fe 90% | High-quality steel |
| Low Al/Fe 88% | General metallurgy |
| Standard SiC | Cost-sensitive applications |
Why Choose ZhenAn
ZhenAn specializes in supplying metallurgical Silicon Carbide with controlled impurity levels. Our production process ensures consistency across batches, which is essential for large-scale industrial operations.
We work closely with clients to recommend the most suitable specifications, helping them achieve both performance and cost targets.
Packaging & Delivery
Products are available in multiple packaging formats suitable for bulk handling and international shipping. Flexible delivery terms are offered to meet different logistical requirements.
Get a Custom Solution Now
👉 Contact us for a tailored recommendation on Low Al/Fe SiC for your process
📧 Email: sales@zanewmetal.com
📱 WhatsApp: +8615518824805
FAQ (Frequently Asked Questions)
1. Why choose low Al/Fe Silicon Carbide over standard grades?
Because it reduces impurity introduction, leading to cleaner steel and better quality control.
2. Is low Al/Fe SiC necessary for all steel grades?
No, it is mainly recommended for high-grade or precision steel applications.
3. Does lower impurity improve absorption rate?
Yes, fewer impurities mean more active silicon participates in reactions.
4. Can this product replace ferrosilicon?
In many cases, it can partially replace ferrosilicon while offering additional benefits.
5. What industries benefit most from this grade?
Steelmaking, foundries, and alloy production industries benefit significantly.
6. Is customization available?
Yes, ZhenAn offers tailored specifications based on customer requirements.
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