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High-Temperature Resistance precision machining silicon nitride ceramic tube Si3N4 pipe

  • Offers excellent wear resistance and accuracy in extreme temperature conditions
  • An alternative to wheels made with conventional metal alloys
  • 60% lighter than steel
  • Delivers high strength and fracture toughness
  • Excellent thermal shock resistance
  • Resistant to wear and erosion
  • Exhibits nonmagnetic properties and electrical insulation
  • Corrosion and chemical resistant
  • Offers design flexibility for a customized solution
  • 0312

Silicon nitride ceramic is an advanced material known for its exceptional properties and wide range of applications. It is a type of ceramic composed primarily of silicon nitride (Si3N4), a compound of silicon and nitrogen.

Industry-specific attributes

Zirconia Ceramic

Other attributes

Place of Origin
Guangdong, China

Ceramic Tubes

Industrial Ceramic

Model Number

Brand Name

Processing Service
Cutting, Moulding, Grinding, Milling, Drilling, Lapping, Polishing, CNC, Laser

Product name
Precision ceramic parts




Quality control
100% Inspection

High hardness, High strength, High temperacture

Max Working Temperature

Gas permeability

Water Absorption

1 Pcs

Packaging and delivery

Packaging Details
Box, Carton, Wooden, Bag etc. Customized package.

Shenzhen or Hong Kong

Supply Ability

Supply Ability
10000 Piece/Pieces per Month


  • High Strength: Silicon nitride ceramic exhibits remarkable strength and hardness, making it highly resistant to wear and tear. It is often used in demanding applications where durability is crucial.

  • High-Temperature Resistance: Silicon nitride ceramic possesses excellent thermal stability and can withstand extremely high temperatures, up to 1,400 degrees Celsius (2,552 degrees Fahrenheit) in certain grades. This property makes it suitable for high-temperature environments and applications.

  • Low Thermal Expansion: Silicon nitride ceramic has a low coefficient of thermal expansion, meaning it undergoes minimal dimensional changes with temperature fluctuations. This characteristic is crucial in applications requiring precise dimensional stability.

  • Corrosion Resistance: Silicon nitride ceramic is highly resistant to corrosion, making it suitable for use in harsh environments and exposure to chemicals.

  • Biocompatibility: Certain grades of silicon nitride ceramic are biocompatible, meaning they are safe for use in medical applications, such as surgical tools and implants.


  • Automotive: Silicon nitride ceramic is used in automotive components like turbochargers, engine parts, and brake discs due to its high-temperature resistance and wear resistance.

  • Aerospace: In the aerospace industry, silicon nitride ceramic is employed in components such as jet engine parts, heat shields, and structural components due to its high-temperature capabilities and strength.

  • Medical: Biocompatible grades of silicon nitride ceramic are used in medical devices, implants, and surgical instruments due to their biocompatibility and resistance to corrosion.

  • Electronics: Silicon nitride ceramic is utilized in electronic substrates, packaging, and high-frequency components due to its low thermal expansion and electrical insulation properties.

  • Industrial Machinery: Silicon nitride ceramic is used in various industrial machinery components, such as bearings, seals, and cutting tools, due to its wear resistance and high-temperature capabilities.

Properties Of Silicon Nitride

Property Item Data Unit



Color Black/Grey -
Density 3.2 g/cm3
Bending Strength 750 MPa
Compressive Strength 3800 MPa
Elastic Modulus 290 GPa
Fracture Toughness 7 MPa m1/2
Weber Coefficient 15 m
Vickers Hardness 1700 HV 0.5



Coefficient of Line

Thermal Expansion

2 10-6 K-1

Thermal Conductivity

20 W/mK

Thermal Shock Resistance (Put in Water)

750 ΔT℃

Max Working Temperature




Volume Resistance at 20℃

>1014 Ωcm

Dielectric Strength

10×106 V/m

Dielectric Constant

- εr

One MHZ Dielectric

Loss Angle at 20℃

- tanδ



Nitric Acid(60%)90℃

1 WT Loss mg/cm2/day

Sulphuric Acid(95%)95℃

Caustic Soda(30%)80℃ 0.2

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