Silicon nitride ceramic bolt is a kind of bolt made of silicon nitride (Si3N4) material, which has excellent high temperature resistance, corrosion resistance and mechanical properties. Silicon nitride ceramic bolts perform well at high temperatures, maintain high strength at 1200 ° C, and only break down at 1900 ° C . In addition, it also has good chemical resistance, able to resist almost all inorganic acids (except hydrofluoric acid) and less than 30% caustic soda solution
MATERIAL : Si3N4
DENSITY : 2.8
COLOR : Black / Blue / White
HRDNESS(Mohs scale) : 9
MAX WORKING TEMPERATURE : 1650
▼Performance characteristic
1. High temperature resistance : silicon nitride ceramic bolts can maintain stable performance in high temperature environment. Its heat resistance temperature can reach 1200℃, even at 1400℃ high temperature can still maintain a certain mechanical strength
2. Corrosion resistance : this kind of bolt has good chemical stability, can resist most inorganic acids (except hydrofluoric acid) and less than 30% caustic soda solution, but also resistant to many organic acids
3. High strength : at high temperature, the strength of silicon nitride ceramic bolt will not decrease, has very high bending strength and fracture toughness, suitable for harsh environment
4. Low thermal expansion coefficient : silicon nitride ceramics has low thermal expansion coefficient, which makes it not easy to deform at high temperature and maintains good dimensional stability
5. High hardness : the hardness of silicon nitride ceramics is large, second only to diamond, suitable for occasions requiring high wear resistance
▼Field of application
Semiconductor Industry: Used in wafer processing equipment to prevent metal contamination.
High-Temperature Environments: Such as fasteners for gas turbines, rocket nozzles, and heat treatment furnaces.
Chemical Equipment: Reactors, pipeline seals, resistant to acid and alkali corrosion.
New Energy: Radiation-resistant components in photovoltaic and nuclear reactor systems.
Special Demand Scenarios: Strong magnetic field environments (e.g., MRI devices) or applications requiring insulation and non-magnetic properties.
▼Technical Properties of Si3N4 Silicon Nitride Ceramic