
Zys Ten 1" Inch Chrome Steel Bearing Balls with High Precision Grade G25
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 ℃.
After careful research and assiduous research, we are able to provide you reliable and efficient ceramic pipe stand, ceramic heat sink cooling pad, ceramic fiber wool blanket. A sense of teamwork and a strong sense of responsibility and mission are the inexhaustible source of our business. We give our employees room for personal development and the opportunity to improve their skills and be recognized, allowing teams and leaders to thrive. We always adhere to the concept of 'quality is life, customer is God'. Our products have won many honorary titles. In line with the enterprise development spirit of 'design first, keep improving', we will further strengthen management.
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.
According to the needs of the market, we will launch a series of products to adapt to the market. We hope that more people can benefit from our Zys Ten 1" Inch Chrome Steel Bearing Balls with High Precision Grade G25. Product upgrading can improve work efficiency, and people will update products involuntarily. We have successfully achieved branding of products, integrity of management, and internationalization of goals.
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