Ceramic Welding Guide Pin

Product Details
Customization: Available
Application: Refractory, Structure Ceramic, Industrial Ceramic
Type: Ceramic Parts
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Registered Capital
1000000 RMB
Plant Area
101~500 square meters
  • Ceramic Welding Guide Pin
  • Ceramic Welding Guide Pin
  • Ceramic Welding Guide Pin
  • Ceramic Welding Guide Pin
  • Ceramic Welding Guide Pin
  • Ceramic Welding Guide Pin
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Basic Info.

Size
M4 M5 M6 M8 M10 M12
Feature 2
Good Abrasion and Corrosion Resistance
Temperature
1400c
Type of Material
Rbsn, Hpsn, Ssn
Material
Si3n4 Silicon Nitride
Transport Package
Carton
Specification
customized
Trademark
Yunnuo
Origin
China
HS Code
8547100000
Production Capacity
5000000 PCS Per Year

Packaging & Delivery

Package Size
10.00cm * 10.00cm * 2.00cm
Package Gross Weight
0.020kg

Product Description

Si3n4 ceramics

Silicon nitride has very good comprehensive properties, such as very high strength, toughness, excellent
abrasion resistance and chemical resistance, high thermal conductivity and low thermal expansion coefficient,
which make it have good thermal shock resistance and stable performance. Due to these good
comprehensive properties and relatively low density, silicon nitride materials can meet the highest quality
requirements in applications. Typical applications include:

High-grade refractory crucible
Bearings and wire drawing dies
Welding nozzle and positioning pin
Cutting tools
Thermocouple protective sleeve

 
Item
Unit
Value
Density
g/cm3
3.2
Bending strength
MPa
750
Compressive strength
MPa
3,800
Elastic Modulus
GPa
290
Fracture toughness
MPam1/2
6.7
Weber coefficient
M
15
Vickers hardness
HV0.5
1,700
Linear expansion coefficient
10-6K-1
2.8
Thermal conductivity
W/mK
20
Resistance to thermal shock (water cooling)
TC
750
Maximum use temperature
C
1,300
Volume resistance, 20 ºC
Ωcm
>1014
Dielectric strength
V/m
10×106
 
The silicon nitride crucible is sintered by air pressure, and has good resistance to acid and weak alkaline
corrosion. For example, boiled hydrochloric acid, aqua regia, sulfuric acid, sulfuric
acid and aluminum hydroxide solution with a concentration below 25%. The silicon nitride cannot be corroded,
the dense silicon nitride has good oxidation resistance, and can still be used stably in an oxidizing
atmosphere below 1400 ° C. The silicon nitride material also has good stability to metal melts and is not
wetted, such as molten metals zinc, gold, silver, aluminum, cadmium, indium, lead, bismuth,
gallium, germanium, etc. and their alloys such as yellow Copper, hard aluminum, nickel silver, etc. all have
good corrosion resistance.

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