
S61810 C3 Hybrid Ceramic Ball Bearing Zro2 Ball Peek Cage Customed Bearing
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 ℃.
Our company is strong and specializes in the operation of country hearth wood stove 2000 ceramic fiber board, ceramic fiber drop warp tape, ceramic fiber paper 1 8, with all other business activities allowed by the company in the country. Find and develop the most suitable market for us and strive for the highest market share. We constantly improve the ability to implement the new development concept and build a new development pattern. Our company will be committed to providing customers with high-quality products, advanced solutions and professional technical services with its strong technical strength and first-class development philosophy. The scale of our company is gradually expanding, and the product technology is constantly updated and improved.
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.
Our company will strengthen the production of S61810 C3 Hybrid Ceramic Ball Bearing Zro2 Ball Peek Cage Customed Bearing and constantly improve the performance of products. With the diversification of customer needs and the continuous expansion of the company's business scale, the company is actively exploring more service areas. In the days to come, we will continue to bring forth the new with high-quality quality and perfect service system, so as to make progress together with our customers and move towards a better future together.
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