Ceramic Ball Bearing 608 Silicon Nitride (Si3N4)
Si3N4 Ceramics is a new type of non-metallic ceramic material. It is characterized by high strength at room temperature and high temperature, and the strength of Si3N4 can be maintained at 1200 ℃.
We focus on the development strategy of high technology and high value-added custom ceramic pipes, Alumina Ceramic Crucible, Reaction Bonded Silicon Carbide, and are committed to developing into a first-class company. The company has always adhered to the idea of emphasizing technology and innovation to improve production efficiency and optimize product performance with technological innovation. The company adopts modern production operation mode, and carries out production according to strict technological process to ensure perfect quality. Our company always adheres to the service tenet of 'users are God, quality and reputation are life'.
Product Description
Si3N4 Ceramics is a new type of non-metallic ceramic material. One of the popular product of Si3N4 ceramics is Si3N4 tube. The tubes are mainly used in conjunction with thermocouples to protect them. It allows the thermocouple to operate properly in special environments and to resist high pressures and high flow rates.
Process Method
It uses silicon powder as raw material and is first made into the desired shape using the usual molding method. Initial nitriding is done in nitrogen at 1200°C, so that part of the silicon powder reacts with nitrogen to form silicon nitride. This way the whole body already has some strength. It is then nitrided a second time in a high-temperature furnace at 1350°C to 1450°C to react with the silicon nitride.
Specifications
Thermocouple protection tube: diameter Φ12-80mm, length 600-1800m
Data Sheet
Items | Data |
Sintering method | gas pressure sinter |
Density | >3.2g/cm3 |
Si3N4 content | >92% |
Flexural strength | >750Mpa |
Compressive strength | >1500Mpa |
Thermal conductivity (W/mk) | >22 |
Porosity | 0 |
Thermal expansion coeff. (RT-1000℃) | 3.2 |
Max temperature in air | 1400℃ |
Hardness (HRA) | >92 |
Q&A
1. How long is the service time of Si3N4 ceramics?
It will be different as per your application. The general period is 25-30days.
2. What is the payment terms?
Our payment terms are T/T, L/C or as per your request.
We have been committed to becoming an excellent Ceramic Ball Bearing 608 Silicon Nitride (Si3N4) supplier, providing customers with high-quality products, services and solutions. Our company's working style balances the characteristics of rigorous and steady and flexible vitality. The company strives to put customers on a higher starting point and a larger platform.
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