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Boost Yield Efficiency: Achieve over 94% Silicon recovery and stable Carbon enrichment, reducing the need for expensive high-purity pig iron.
Aggressive Oxygen Scavenging: Rapidly purges dissolved oxygen from the melt, eliminating gas-related casting rejections and pinholes.
Exothermic Heat Release: Utilizes chemical energy to maintain bath temperature, significantly lowering electricity costs per heat.
Versatile 0-10mm Grading: The broad particle distribution ensures immediate surface reaction and sustained deep-melt deoxidation.
ZhenAn Direct Sourcing: Eliminate middleman costs with factory-direct supply, backed by full ISO/SGS chemical certification.
The Metallurgical Mechanism of 0-10mm SiC 88%
In modern furnace operations, the purity of the deoxidizer dictates the final toughness of the metal. ZhenAn's 0-10mm Silicon Carbide 88% is a high-density industrial material designed to condition the melt. Unlike standard ferrosilicon, SiC provides a unique carbon-silicon synergy that acts as a potent nucleating agent.
The chemical interaction within the induction furnace or cupola follows a high-velocity path: SiC + 3[O] → SiO₂ + CO↑
The CO gas generated by this reaction provides a "cleansing" effect, helping to lift microscopic non-metallic inclusions to the slag layer, which results in a significantly tougher and more machinable iron.
Key Applications & Performance Gains
Gray and Ductile Iron Pre-treatment
SiC 88% is a strategic "chill" reducer. By increasing the silicon activity in the local melt zones, it promotes a high density of eutectic cells. This effectively prevents the formation of hard iron carbides (cementite), ensuring the casting remains easy to machine even in thin sections.
Induction Furnace "Sandwich" Charging
The 0-10mm sizing is ideal for "sandwich" charging. By placing the material between layers of scrap metal, you ensure maximum contact time during the melting phase. This prevents the SiC from floating on the surface and ensures the highest possible recovery of alloying elements.
Refractory Life Extension
Aggressive iron oxides (FeO) in the slag are the primary cause of chemical erosion in furnace linings. Our SiC 88% granules aggressively "kill" the slag at the interface, protecting your refractory investment and lowering annual maintenance costs.
Technical Specification & Chemical Standards
The following parameters detail the chemical and physical consistency of ZhenAn 0-10mm Metallurgical SiC 88, specifically processed for industrial foundry lines.
Quality Index
Certified Value
Physical Profile
Performance Data
SiC Purity (Min)
88.0%
Size Range
0 - 10 mm (Customizable)
Fixed Carbon (C)
25% - 28%
Appearance
Dark Metallic Grey
Free Silicon (Si)
≤ 1.2%
Bulk Density
1.55 g/cm³
Aluminum (Al)
≤ 0.9%
Hardness
9.1 Mohs
Nitrogen (N)
≤ 0.015%
Packing
1mt Jumbo Bags with PE Liners
Why Procurement Teams Partner with ZhenAn
Stable Nucleation: Our 88% grade provides a "memory effect" in the melt, meaning the inoculation benefits last longer during holding than traditional ferrosilicon treatments.
Low-Impurity Profile: With ultra-low sulfur and nitrogen levels, our SiC is the ideal choice for producing high-quality automotive and pressure-tight iron castings.
Global Logistics Expertise: ZhenAn manages the entire supply chain, providing specialized moisture-proof packaging to ensure the material remains chemically active throughout sea transit.
FAQ: Frequently Asked Questions
Why use 0-10mm SiC instead of pure Silicon metal?
Silicon Carbide is significantly more cost-effective and provides a stable source of Carbon. Furthermore, the reaction of SiC is exothermic, adding "free" heat to the furnace, whereas metallic silicon can sometimes cause local cooling of the melt.
How does SiC 88% improve the machinability of castings?
By promoting uniform graphite precipitation and reducing the presence of hard cementite, the resulting iron is much easier to drill and mill. This results in longer tool life and lower finishing costs for the machine shop.
What is the recommended addition timing for induction furnaces?
For best results, SiC 88% should be added with the primary scrap charge. This maximizes the contact time between the SiC and the melting scrap, ensuring the highest possible recovery rates for both Silicon and Carbon.
Can 0-10mm SiC be used in cupola furnaces?
Yes. The larger particles in the 0-10mm range have the necessary density to survive the descent through the cupola stack, reacting effectively at the melting zone to deoxidize the slag and inoculate the iron.
How much SiC 88% should be added per heat?
Typical addition rates range from 0.5% to 1.2% of the total charge weight. However, the exact amount depends on your desired final Silicon/Carbon Equivalent and the initial quality of your scrap metal.
Does ZhenAn provide third-party inspection (SGS/BV)?
Absolutely. While we conduct rigorous internal testing for every batch, we also facilitate independent third-party inspections at the port of loading to verify the chemical purity and 0-10mm size distribution.
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 ...
