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Maximize Cost-Efficiency: Achieve superior deoxidation results at a significantly lower price point than SiC 90 or high-grade Ferrosilicon.
Optimal Carbon Recovery: High carbon content (approx. 20-25% total C) ensures stable recarburization without the need for additional expensive calcined coke.
Rapid Melt Dissolution: The 1-3mm fine granular sizing is engineered for instant reaction in induction furnaces and ladle metallurgy.
Clean Steel Technology: Effectively reduces FeO and MnO in slag, minimizing refractory erosion and non-metallic inclusions in the final melt.
ZhenAn Supply Chain Stability: Large-scale 88% SiC inventory with guaranteed SGS certification and rapid global logistics for high-volume consumers.
The Role of 88% SiC in Modern Metallurgy
Metallurgical grade Silicon Carbide with 88% purity is the "workhorse" of the steel and foundry industry. While SiC 90 is used for ultra-high purity applications, SiC 88 offers the perfect balance of performance and economy for standard carbon steel and gray iron production.
The deoxidation process using SiC 88 is highly exothermic, providing "chemical heat" to the furnace. This helps maintain the molten steel temperature during alloy additions, reducing the electricity consumption of the Electric Arc Furnace (EAF).
Key Applications & Performance Benefits
Ladle Deoxidation (1-3mm Granules)
The 1-3mm size is ideal for ladle furnace (LF) additions. Because of its high density compared to slag, it penetrates the slag-metal interface quickly, ensuring that the Silicon and Carbon are absorbed by the metal rather than burning off on the surface.
Induction Furnace Inoculation
In the casting industry, SiC 88 acts as a potent nucleating agent. It promotes the formation of graphite flakes and nodules, significantly reducing the "chill" (hard spots) in thin-walled castings.
Slag Reduction & Fluxing
By adding SiC 88 to the slag, operators can "kill" the slag, reducing its oxygen potential. This leads to better recovery of other alloying elements like Manganese and Chromium, which would otherwise be lost to oxidation.
Technical Data & Chemical Composition
The following specifications represent the standard quality control parameters for ZhenAn Silicon Carbide 88% granules.
Chemical Analysis
Standard Value
Physical Property
Details
SiC Purity
88.0% min
Particle Size
1-3mm (90% min passing)
Fixed Carbon
2.0% - 3.5%
Specific Gravity
3.15 - 3.20 g/cm³
Free Silicon
≤ 1.5%
Color
Black / Dark Grey
Aluminum (Al)
≤ 1.0%
Packaging
1,250kg Big Bags / Bulk
Sulfur (S)
≤ 0.05%
Storage
Moisture-proof, ventilated
Why Procurement Managers Choose ZhenAn SiC 88
Reduced Flux Usage: The high reactivity of SiC 88 reduces the volume of fluorspar or other fluxes needed to manage slag fluidity.
Lower Sulfur Input: Unlike some grades of petroleum coke, our SiC 88 is ultra-low in sulfur, making it ideal for high-quality low-sulfur steel grades.
Custom Sizing: While 1-3mm is our standard for deoxidation, we offer custom crushing and screening to match your specific furnace charging system.
FAQ: Frequently Asked Questions
1. Is 88% SiC less effective than 90% SiC for deoxidation?
In terms of chemical potential, the difference is marginal for most standard steel grades. SiC 88 provides a more economical "cost-per-unit of Silicon" than SiC 90, making it the preferred choice for bulk steel production where extreme purity is not the primary constraint.
2. Why is the 1-3mm size preferred over larger lumps?
The 1-3mm granules provide a much higher surface-to-volume ratio. This allows for a nearly instantaneous reaction when the material hits the molten steel, preventing the granules from being trapped in the slag layer.
3. Does SiC 88 affect the nitrogen levels in the steel?
Silicon Carbide is naturally low in nitrogen. Using SiC 88 as a carbon source instead of certain types of coal or coke can actually help steelmakers maintain lower nitrogen levels in nitrogen-sensitive grades.
4. How much SiC 88 should be added per ton of steel?
Typically, 1.5kg to 3kg per ton is used for deoxidation, depending on the initial oxygen content and the target silicon level. For foundries, the dosage is usually adjusted based on the required final carbon equivalent (CE).
5. What is the advantage of SiC 88 over Ferrosilicon 75?
SiC 88 is generally 20-30% cheaper than FeSi 75 per unit of Silicon. Additionally, SiC 88 provides "free" carbon and extra thermal energy through its exothermic reaction, which Ferrosilicon does not offer.
6. Can ZhenAn provide a COA (Certificate of Analysis) for each shipment?
Yes. Every batch of ZhenAn SiC 88 is sampled and tested in our laboratory. We provide a full COA covering SiC, Free C, Fe, and Particle Size Distribution with every delivery to ensure total traceability.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller
Year Established:
2019
Total Annual:
10000000-80000000
Employee Number:
10~50
Ecer Certification：
Verified Supplier
ZhenAn is an enterprise specializing in Metallurgical & Refractory products , integrating production, processing, sales and importing and exporting business.
We are focused on building a dedicated team of professionals across the globe. At ZhenAn, we are committed to provide complete solutions ... ZhenAn is an enterprise specializing in Metallurgical & Refractory products , integrating production, processing, sales and importing and exporting business.
We are focused on building a dedicated team of professionals across the globe. At ZhenAn, we are committed to provide complete solutions ...
