High-Performance Silicon Carbide 90% Powder (0-1mm) - Accelerated Deoxidizer for Precision Metallurgy
- Instantaneous Melt Integration: The 0-1mm ultra-fine distribution ensures immediate dissociation and reaction upon contact with molten metal.
- Maximum Silicon Recovery: Achieve up to 96% Silicon yield with a high-purity 90% SiC concentrate, minimizing costly alloy waste.
- Enhanced Slag Foaming: Accelerates the formation of stable foamy slag in EAF operations, protecting refractories and improving energy efficiency.
- Eliminate Gas Defects: Aggressively scavenges dissolved oxygen to prevent CO-related pinholes and nitrogen-induced brittleness.
- Direct Factory Sourcing: Procurement from ZhenAn guarantees batch-to-batch chemical stability and ISO-certified quality for global steel mills.
The Advantage of Micro-Granular SiC 90%
In high-velocity steelmaking and precision foundry lines, the reaction time is a critical KPI. ZhenAn's 0-1mm Silicon Carbide Powder provides a massive active surface area compared to traditional lumps. This high-purity deoxidizer is specifically designed for injection systems and ladle trimming where "time-to-chemistry" is measured in seconds.
The metallurgical pathway is highly efficient:
The micro-bubbles generated by this reaction provide a secondary "flotation" effect, lifting microscopic non-metallic inclusions to the slag layer, resulting in ultra-clean steel.
Key Applications & Performance Metrics
1. Ladle Metallurgy & Trimming
For mills producing automotive or aerospace-grade alloys, the 0-1mm powder is the ideal trimming agent. It allows for precise Carbon and Silicon adjustments during the final stages of the heat without the risk of undissolved material.
2. Cored-Wire Manufacturing
Due to its excellent flowability and consistent 90% purity, our powder is the industry standard for filling deoxidizing cored wires. This ensures a stable, deep-injection delivery of SiC into the heart of the ladle.
3. Induction Furnace Deoxidation
In small-to-medium induction furnaces, the 0-1mm powder can be mixed with the charge or added as a top-dressing to rapidly "kill" the slag, preventing the oxidation of expensive alloying elements like Chromium or Manganese.
Technical Properties & Certified Analysis
The following table details the chemical and physical consistency of ZhenAn 0-1mm SiC 90%, tailored for high-performance industrial standards.
| Analysis Component |
Guaranteed Value |
Physical Characteristic |
Details |
| Total SiC (Min) |
90.00% |
Size Range |
0 - 1 mm (95% passing) |
| Free Graphite (C) |
≤2.2% |
Surface Condition |
High Specific Area |
| Iron Oxide (Fe₂O₃) |
≤1.0% |
Apparent Density |
1.44−1.50 g/cm³ |
| Sulfur (S) |
≤0.03% |
True Density |
3.21 g/cm³ |
| Alumina (Al₂O₃) |
≤0.6% |
Moisture (Max) |
0.30% |
Why Procurement Teams Choose ZhenAn SiC 90%
- Precision Screening: Our 0-1mm product is triple-screened to ensure a consistent PSD (Particle Size Distribution), preventing "oversize" contamination in automated dosing systems.
- Low-Nitrogen Chemistry: Our high-purity SiC is processed to maintain ultra-low Nitrogen levels, making it the preferred choice for producing deep-drawing quality (DDQ) steels.
- Global Supply Continuity: With a 150,000-ton annual output capacity, ZhenAn provides a stable buffer against market price fluctuations and supply chain disruptions.
FAQ: Frequently Asked Questions
1. Why use 0-1mm powder instead of 1-10mm granules?
Powder is designed for speed. The 0-1mm size has roughly 10 times the reactive surface area of larger granules, making it the best choice for ladle additions where the alloy needs to be fully absorbed before the caster.
2. Does the 0-1mm powder get lost in the furnace dust extraction?
ZhenAn utilizes a specialized de-dusting process during manufacturing. While the material is fine (0-1mm), it is not "dusty" like cement. Its high density (3.21g/cm³) ensures it drops into the melt rather than being carried away by airflow.
3. Is this powder suitable for producing Spheroidal Graphite (SG) iron?
Yes. It is an excellent pre-conditioner for ductile iron base metal. It ensures the melt is fully deoxidized before the Magnesium treatment, which significantly increases the nodularity and reduces the required Mg dosage.
4. How does the carbon recovery of SiC powder compare to graphite?
Because the Carbon in SiC is chemically bonded, it is much more stable than "free" graphite. In a molten bath, the SiC Carbon is absorbed more predictably, leading to a tighter carbon hit-rate and fewer chemistry rejections.
5. What is the standard packaging for export?
We typically provide 1.0mt or 1.25mt waterproof jumbo bags. For cored-wire manufacturers, we can also provide 25kg small bags palletized for easier handling and dosing.
6. Does ZhenAn provide moisture-proof liners for sea freight?
Absolutely. All export-grade SiC powder is packed in heavy-duty UV-resistant bags with internal PE moisture liners to ensure the material arrives dry and chemically active regardless of shipping duration.
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