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Zhenan Metallurgy Co., Ltd

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China Ferro Silicon Nitride FeSiN for Steel Casting Prevent Crack and Improve Thermal
China Ferro Silicon Nitride FeSiN for Steel Casting Prevent Crack and Improve Thermal

  1. China Ferro Silicon Nitride FeSiN for Steel Casting Prevent Crack and Improve Thermal
  2. China Ferro Silicon Nitride FeSiN for Steel Casting Prevent Crack and Improve Thermal
  3. China Ferro Silicon Nitride FeSiN for Steel Casting Prevent Crack and Improve Thermal
  4. China Ferro Silicon Nitride FeSiN for Steel Casting Prevent Crack and Improve Thermal

Ferro Silicon Nitride FeSiN for Steel Casting Prevent Crack and Improve Thermal

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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 Ferro Silicon Nitride for steel castingFeSiN refractory material supplierFerro Silicon Alloy thermal stability
Ferro Silicon Nitride FeSiN for Steel Casting
Prevent cracks and improve thermal stability with premium refractory materials from our trusted supplier.
Why Choose Ferro Silicon Nitride (FeSiN) for Steel Casting?
  • Prevents cracking under rapid thermal cycling
  • Enhances thermal stability in high-temperature furnaces
  • Provides nitrogen alloying for stronger metal structure
  • Improves refractory lifespan and reduces downtime
  • Stable quality for continuous casting operations

What Is Ferro Silicon Nitride and How Does It Work?
Ferro Silicon Nitride (FeSiN) is a composite alloy made of silicon, nitrogen, and iron, widely used in steel casting and refractory systems. It functions both as a nitrogen alloying agent in molten steel and as a structural enhancer in refractory materials.
In casting processes, FeSiN helps improve the internal structure of steel while simultaneously reinforcing refractory linings. This dual functionality makes it especially valuable in modern foundries aiming to reduce defects and improve operational efficiency.

Technical Specifications for Casting Applications
Parameter Specification Range
Silicon (Si) 40-60%
Nitrogen (N) 20-35%
Iron (Fe) Balance
Carbon (C) ≤1.5%
Particle Size 10-50 mm / customized
Form Lump / granule
Bulk Density 2.5-3.2 g/cm³
Application Steel casting / refractory

Crack Prevention Mechanism
Cracks in steel casting often originate from uneven cooling, internal stress, or poor microstructure control. FeSiN addresses these issues by introducing nitrogen into the molten steel, which refines the grain structure and improves stress distribution.
At the same time, when used in refractory materials, FeSiN strengthens the bonding structure, making it more resistant to thermal shock. This reduces the likelihood of lining cracks that could affect casting quality or interrupt production.

Thermal Stability Enhancement
FeSiN enhances refractory performance by forming stable high-temperature phases that resist deformation and oxidation. These phases improve the material's ability to withstand repeated heating and cooling cycles.
As a result, refractory linings maintain their integrity even under extreme casting conditions. This leads to longer service life, fewer repairs, and improved operational reliability in steel plants.

Steel Quality Improvement
In steel casting, FeSiN contributes to better metallurgical performance by:
  • Refining grain structure
  • Reducing nitrogen-related defects through controlled release
  • Improving strength and toughness
  • Enhancing uniformity of the final casting
This results in cast products with better mechanical properties and fewer internal defects, which is critical for high-performance steel applications.

Material Comparison and Selection
FeSiN 30 vs FeSiN 20
FeSiN 30 contains higher nitrogen content, offering stronger grain refinement and better anti-crack performance. It is ideal for high-quality steel casting and demanding refractory environments.
FeSiN 20 provides a more economical option for standard casting applications where moderate performance is sufficient.
FeSiN vs Silicon Nitride
FeSiN is more suitable for industrial-scale use because it combines metallic and ceramic properties, making it easier to integrate into steelmaking processes.
Silicon nitride offers superior ceramic performance but is more expensive and mainly used in specialized applications rather than bulk casting.
FeSiN vs Ferrosilicon
Ferrosilicon acts mainly as a deoxidizer and does not provide nitrogen strengthening.
FeSiN delivers both silicon and nitrogen, enabling better crack resistance, improved thermal stability, and enhanced steel properties, making it a more advanced solution for modern casting operations.

Overall Benefits Summary
  • Reduces cracking in both steel and refractory linings
  • Improves thermal stability in high-temperature environments
  • Enhances steel mechanical properties
  • Lowers maintenance and production costs

Company Details

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 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 ...

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  • Zhenan Metallurgy Co., Ltd
  • Huafu Commercial Center, Wenfeng District, Anyang City, Henan Province, China
  • https://www.ferrosilicon-alloy.com/

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