Zhenan Metallurgy Co., Ltd
| Payment Terms | L/C,T/T,Western Union |
| Supply Ability | 2000MT/per Month |
| Delivery Time | 5-10 work days after received the payment |
| Packaging Details | 1MT big bag or as per customer request |
| Material | FeSi Nitride |
| Size | 10-50mm |
| Silicon content | 70-80% |
| Iron content | 20-30% |
| Nitrogen content | 20-35% |
| Bulk density | 2.5-3.2 g/cm³ |
| Brand Name | ZHENAN |
| Model Number | FeSi Nitride |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T,Western Union | Supply Ability | 2000MT/per Month |
| Delivery Time | 5-10 work days after received the payment | Packaging Details | 1MT big bag or as per customer request |
| Material | FeSi Nitride | Size | 10-50mm |
| Silicon content | 70-80% | Iron content | 20-30% |
| Nitrogen content | 20-35% | Bulk density | 2.5-3.2 g/cm³ |
| Brand Name | ZHENAN | Model Number | FeSi Nitride |
| Certification | ISO9001 | Place of Origin | China |
| High Light | Ferrosilicon Nitride thermal shock resistant ，FeSiN for trough castables ，Ferro Silicon Alloy water-free taphole clay | ||
Ferrosilicon Nitride (FeSiN) is a functional refractory additive produced by controlled nitridation of ferrosilicon, forming a stable Fe-Si-N compound used in high-temperature metallurgical systems. It is widely applied in trough castables, blast furnace runners, and water-free taphole clay systems where thermal shock, erosion, and rapid heating-cooling cycles are severe.
In these environments, FeSiN acts as a structural and reactive phase modifier, improving the integrity of refractory linings under extreme operational stress. ZhenAn supplies industrial-grade Ferrosilicon Nitride engineered for high thermal shock resistance and stable refractory performance in steelmaking applications.
Steel plant refractory systems are constantly exposed to rapid temperature changes during tapping, slag flow, and furnace cycling. These sudden transitions create thermal stress inside the refractory matrix, often leading to cracking, spalling, and premature failure.
Trough castables and water-free taphole clay are particularly vulnerable because they must:
FeSiN improves this performance by stabilizing internal structure and reducing stress concentration points.
FeSiN enhances thermal shock resistance through multiple mechanisms:
At high temperatures, FeSiN contributes to the formation of Si₃N₄-based ceramic phases that provide strong thermal stability and structural rigidity.
The nitrided network helps distribute thermal stress more evenly across the refractory matrix, reducing localized cracking.
FeSiN fills gaps between refractory particles, creating a denser and more cohesive structure that resists expansion mismatch.
The composite structure reduces crack initiation and slows crack propagation during thermal cycling.
Trough castables operate in the slag and molten iron flow path of blast furnaces, where they face extreme thermal and chemical stress. FeSiN is used because it:
Without FeSiN, trough castables are more prone to erosion and thermal cracking.
| Item | Specification |
|---|---|
| Product Name | Ferrosilicon Nitride |
| Chemical System | Fe-Si-N |
| Nitrogen Content | 25-35% (grade dependent) |
| Particle Size | 0-3 mm / customized |
| Appearance | Grey granular solid |
| Density | High-density refractory additive |
| Application | Trough castables / taphole clay / refractory systems |
| Parameter | Ferrosilicon Nitride | Conventional Additives |
|---|---|---|
| Thermal Shock Resistance | High | Moderate |
| Crack Resistance | Strong | Limited |
| Structural Stability | Improved | Average |
| Slag Resistance | Enhanced | Lower |
| Service Life Extension | Significant | Limited |
| Industrial Suitability | High-temperature systems | General use |
ZhenAn supplies Ferrosilicon Nitride in controlled granular form suitable for refractory mixing and industrial steel applications.
Standard packaging options include:
Each shipment includes:
Export logistics are optimized for steel plant supply chains requiring stable and continuous raw material delivery.
It forms stable nitrided phases that strengthen the refractory matrix.
To improve resistance to slag erosion and thermal cracking.
Yes, it improves stress distribution and structural stability.
By enhancing bonding strength and reducing porosity.
It distributes thermal energy and reduces localized stress.
Because it improves durability and resistance to molten metal flow.
By reducing erosion, cracking, and structural degradation.
High stability, strong bonding, and excellent microstructural reinforcement.
ZhenAn provides high-performance Ferrosilicon Nitride engineered for thermal shock resistance, refractory stability, and long service life in demanding steel plant environments. Our controlled production process ensures consistent nitrogen content and reliable industrial performance.
Company Details
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 ...
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