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Shaanxi KeGu New Material Technology Co., Ltd

  • China,Tongchuan ,Shaanxi
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China High Density High Strength Silicon Nitride Sealing Pipe and Valve with High
China High Density High Strength Silicon Nitride Sealing Pipe and Valve with High

  1. China High Density High Strength Silicon Nitride Sealing Pipe and Valve with High
  2. China High Density High Strength Silicon Nitride Sealing Pipe and Valve with High

High Density High Strength Silicon Nitride Sealing Pipe and Valve with High

  1. MOQ:
  2. Price: 200-500 yuan/kg
  3. Get Latest Price
Payment Terms L/C,D/A,D/P,T/T,,
Supply Ability 2,000 pcs/month
Packaging Details Strong wooden box for Global shipping
Color Black
Density 3.20-3.26g/cm3
Material Silicon Nitride
Max. Service Temp 1450℃
Flexural Strength 250MPa
Composition:SiC >85%
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
Model Number Customizable
Place of Origin China

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  1. Product Details
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Product Specification

Payment Terms L/C,D/A,D/P,T/T,, Supply Ability 2,000 pcs/month
Packaging Details Strong wooden box for Global shipping Color Black
Density 3.20-3.26g/cm3 Material Silicon Nitride
Max. Service Temp 1450℃ Flexural Strength 250MPa
Composition:SiC >85% 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
Model Number Customizable Place of Origin China
High Light High Density Silicon Nitride Sealing PipeHigh Strength Silicon Nitride Sealing ValveHigh Thermal Shock Resistance Si3N4 Ceramic Tube
Silicon Nitride (Si3N4) Sealing Pipe & Sealing Valve
High-performance silicon nitride ceramic materials developed for the aluminum industry offer significantly improved thermal and mechanical properties compared to similar products. This innovation brings revolutionary progress to aluminum industrial equipment, particularly in "L-shaped high thermal conductivity submerged heating" applications.
The exceptional high-temperature strength of silicon nitride ceramics ensures long-term durability under frequent operating conditions. Due to the material's brittleness, proper design and installation of lifting transmission devices is essential to avoid mechanical shocks.
Silicon Nitride (Si3N4) Sealing Pipe & Sealing Valve for Aluminum Industry
Key Advantages
  • The high density, strength, and thermal shock resistance make silicon nitride ceramics the optimal choice for sealing tubes in low pressure die casting applications.
  • Superior wear resistance compared to aluminum titanate and alumina ceramics ensures long-term airtightness of the sealed tube.
Silicon Nitride (Si3N4) material properties comparison
Silicon Nitride Technical Specifications
Main component 99%Al2O3 S-SiC ZrO2 Si3N4
Physical Property
Density 3.9 g/cm3 3.1 g/cm3 6 g/cm3 3.2 g/cm3
Water Absorption 0% 0.1% 0% 0.1%
Sinter Temperature 1700°C 2200°C 1500°C 1800°C
Mechanical Property
Rockwell Hardness 1700 HV 2200 HV 1300 HV 1400 HV
Bend Strength 3500 kgf/mm2 4000 kgf/mm2 9000 kgf/mm2 7000 kgf/mm2
Compression Intensity 30000 Kgf/mm2 20000 Kgf/mm2 20000 Kgf/mm2 23000 Kgf/mm2
Thermal Property
Maximum working temperature 1500°C 1600°C 1300°C 1400°C
Thermal expansion coefficient (0-1000°C) 8.0*10-6/°C 4.1*10-6/°C (0-500°C)
5.2*10-6/°C (500-1000°C)
9.5*10-6/°C 2.0*10-6/°C (0-500°C)
4.0*10-6/°C (500-1000°C)
Thermal Shock resistance 200°C 250°C 300°C 400-500°C
Thermal Conductivity 31 W/m.k (25°C)
16 W/m.k (300°C)
100 W/m.k 3 W/m.k 25 W/m.k
Electrical Property
Resisting rate of Volume >1012 ◎.cm 106-108 ◎.cm >1010 ◎.cm >1011 ◎.cm
Insulation Breakdown Intensity 18 KV/mm semiconductor 9 KV/mm 17.7 KV/mm
Dielectric Constant (1 MHz) 10 (E) - 29 (E) 7 (E)
Silicon Nitride ceramic application diagram Silicon Nitride manufacturing process

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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  • 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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