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Shaanxi KeGu New Material Technology Co., Ltd

  • China,Tongchuan ,Shaanxi
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China High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical
China High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical

  1. China High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical
  2. China High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical
  3. China High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical
  4. China High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical
  5. China High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical

High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical

  1. MOQ:
  2. Price: 200-500 yuan/kg
  3. Get Latest Price
Payment Terms L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability 2,000 pcs/month
Packaging Details Strong wooden box for Global shipping
Material Silicon Nitride
Composition:SiC >85%
Color Black
Density 3.20-3.26g/cm3
Max. Service Temp 1450℃
Flexural Strength 250MPa
Sample Customizable
Chemical Stability High
Apparent Porosity 0-0.1%
Elastic Modulus 300-320GPa
Compression Strength >1500MPa
Vickers Hardness(HV0.5) 15-16GPa
Thermal Conductivity 20-25W/(m.k)
Specific Resistivity 10^14Ω·cm
Brand Name KEGU
Place of Origin China
Model Number Customizable

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,D/A,D/P,T/T,Western Union,MoneyGram Supply Ability 2,000 pcs/month
Packaging Details Strong wooden box for Global shipping Material Silicon Nitride
Composition:SiC >85% Color Black
Density 3.20-3.26g/cm3 Max. Service Temp 1450℃
Flexural Strength 250MPa Sample Customizable
Chemical Stability High Apparent Porosity 0-0.1%
Elastic Modulus 300-320GPa Compression Strength >1500MPa
Vickers Hardness(HV0.5) 15-16GPa Thermal Conductivity 20-25W/(m.k)
Specific Resistivity 10^14Ω·cm Brand Name KEGU
Place of Origin China Model Number Customizable
High Light Si3n4 Ceramics Rotating BallSi3n4 Ceramics Rollers BearingsSilicon Nitride Ceramics Rotating Ball

Unlock Peak Performance with Advanced Silicon Nitride Ceramics

Silicon Nitride (Si3N4) stands as the premier technical ceramic material, offering the most versatile combination of mechanical, thermal, and electrical properties available. This high-performance material delivers exceptional hardness, outstanding thermal shock resistance, and superior impact resistance—making it ideal for the most demanding industrial applications.


Why Choose Silicon Nitride Ceramics?

Superior Material Properties:

  • Exceptional Mechanical Strength: Maintains high strength across extreme temperature ranges

  • Excellent Fracture Toughness: Withstands intense mechanical stress and impact

  • Outstanding Thermal Shock Resistance: Performs reliably through rapid temperature changes

  • High Wear & Corrosion Resistance: Ideal for harsh environments and abrasive conditions

  • Excellent Electrical Insulation: Functions as reliable insulator across temperature spectrum

  • Low Thermal Expansion: Maintains dimensional stability under thermal cycling


Comprehensive Property Data


Mechanical Properties

Unit
Density
g/cm3
Compressive Strength
MPa
Flexural Strength
MPa
Weibull-Modulus m
-
Fracture Toughness KIc
MPa m^1/2
Young‘s Modulus E
GPa
Poisson Ratio
-
Hardness Vickers (HV 1)
GPa
Value
3.21
3000
800
15
6.5
320
0.28
16

Thermal Properties

Unit
Max Temp (Inert Gas)
°C
Max Temp (Air)
°C
Thermal Conductivity @ 20°C
W/mK
Thermal Conductivity @ 1000
W/mK
Thermal Expansion @ 20–100°C
10-6/K
Thermal Expansion @ 20–1000°C
10-6/K
Thermal Shock Parameter R1
K
Thermal Shock Parameter R2
W/mm
Value
1200
1100
28
16
2
3.5
600
15

Electrical Properties

Unit
Resistivity at 20°C
Ωcm
Resistivity at 800°C
Ωcm
Dielectric Constant
1 MHz
Value
10^12
10^7
6



  • Silicon Nitride Manufacturing Processes

    Gas Pressure Sintered Silicon Nitride (GPSN)

    • Most popular method for high-strength components

    • Produces complex geometries with excellent mechanical properties

    • Ideal for custom components and precision applications

    • Suitable for rods, bearings, and engineered ceramic parts

    Reaction-Bonded Silicon Nitride (RBSN)

    • Porous structure (70-85% density)

    • Excellent for high-temperature thermal shock applications

    • Cost-effective for specific use cases

    Hot Pressed Silicon Nitride (HPSN)

    • Superior mechanical properties

    • Limited to simple shapes due to manufacturing constraints

    • Requires diamond grinding for complex geometries

    Hot Isostatically Pressed Silicon Nitride (HIP-SN)

    • Highest density and mechanical performance

    • Premium process for critical applications

    • Enhanced reliability and defect reduction


    Key Applications & Industries

    Industrial Components:

    • Rotating Ball & Roller Bearings

    • Cutting Tools & Inserts

    • Engine Components (valves, rocker arm pads, seal faces)

    • Turbine Blades & Vanes

    • Welding & Brazing Jigs

    • Heating Element Components & Protection Tubes

    Specialized Applications:

    • Induction Heating Coil Supports

    • Crucibles & Metallurgical Containers

    • Metal Tube Forming Rolls and Dies

    • TIG / Plasma Welding Nozzles

    • Thermocouple Sheaths & Tubes

    • Semiconductor Process Equipment


    Custom Manufacturing & Machining Capabilities

    Precision Manufacturing:

    • Maximum diameter: 430mm

    • Maximum length: 1350mm

    • Full customization available

    • Green-state and dense machining

    • Diamond grinding for tight tolerances

    Machining Services:

    • Green-state machining for complex geometries

    • Diamond tool machining for sintered components

    • Precision grinding for tight tolerance requirements

    • Custom component design and fabrication


    Technical Advantages Summary

    Performance Benefits:

    • Superior to metals in high-temperature capabilities

    • Excellent creep and oxidation resistance

    • Low thermal conductivity with high wear resistance

    • Mechanical fatigue resistant

    • Lightweight with high stiffness

    • Good chemical corrosion resistance

    Industry Solutions:

    • Perfect for applications requiring high-temperature and high-load capabilities

    • Ideal for thermal shock prone environments

    • Excellent for wear-resistant components

    • Superior electrical insulation in demanding conditions


Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Trading Company

  • Year Established:

    2017

  • Ecer Certification:

    Verified Supplier

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Get in touch with us

  • Reach Us
  • Shaanxi KeGu New Material Technology Co., Ltd
  • No. 2 Workshop, Zone B, Dongyuan Ceramic Industrial Park, Wangyi District, Tongchuan, Shaanxi 727000, China
  • https://www.hitech-ceram.com/

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