Home > Products > Silicon nitride parts > ceramic valve, Si3N4 ceramic valve, precision ceramic ball valve
ceramic valve, Si3N4 ceramic valve, precision ceramic ball valve
- Tianjing Qingdao
- T/T
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Product Details
Place of Origin | Beijing, China | Type | Ceramic Parts | |
Application | Industrial Ceramic | Model Number | Customer's Requirements | |
Brand Name | sinoma |
Product Description
1. Product detail:
1.high corrosion resistance
2.high temperature resistance
3.high rigidity and strength
4.low coefficient of thermal expansion
Silicon nitride (Si3N4) material can be used in many fields because of its excellent comprehensive property.
1. High corrosion resistance. It can be used in strong acid and alkali situation.
2. High temperature stability.It can be used in high temperature situation, and the highest temperature can reach to 1400 ℃. The strength and hardness in 1100 ℃ is almost the same as in room temperature.
3. Electrical insulation, non-magnetic. It can be used in magnetic field.
4. Low density of 3.26 g/cm3.
5. Low thermal expansion coefficient of 3.2×10-6/K, which is 30% of Al2O3, and 40% of ZrO2. It can bear a sharp temperature change.
6. High rigidity and strength. Compared with chrome steel, Si3N4 ceramic is twice higher in hardness and half higher in elastic modulus value.
2. Packing:
Standard exporting vacuum package, Carton box; Or according customer demand.
3. Silicon Nitride(Si3N4)Ceramic Properties:
Density g/cm3 | Relative density % | Elastic modulus GPa | Compression strength ratio(25℃)% | Hardness(HV)GPa |
3.260.02 | >99.5 | 300~320 | 40~50 | 16 - 20 |
Fracture toughness /MPa•m1/2 | Bending trength MPa | Poisson's ratio | Linear expansion coefficient 10-6K-1 | Webuller modulus |
6.0~9.0 | 600~1000 | 0.25 | 3.1~3.3 | 12~15 |
Thermal conductivity W•(m•K)-1 | Specific resistance ratio | Corrosion resistance | Size stability | Magnetic |
15~20 | 1018 | Excellent | Excellent | None |
4. R&D TEAM
1.We have professional R&D Dept. and advanced facilities;
2.We have the R&D team of over 50 people and over 100% of them have tertiary education background;
3.Products are developed by the most creative professionals, and with world level advanced technical facilities that are qualified to achieve professional test.
5. Every step quality control
1.Raw material checking when suppliers deliver to our factory to ensure no quality problem at the very beginning;
2.Instrument and equipment checking every time before use.
3.Size checking, roundness checking, crushing load test etc. by special measuring tool.
6. Customer & Fair
We have been to a lot fairs and the latest fair is 2015 HANNOVER MESSE Germany.
7. Comapny
Our factory was founded in 1963, Beijing Sinoma Synthetic Crystals Co, LTD.Is a hitech state enterprise,
belongs to the China National Materials Group Co., Ltd. An excellent technical team headed by the state
level experts has built up, which provides a reliable guarantee for the continuous and rapid technological
development.
8. Contact
Please contact us for more detail and correct products!
Whatsapp: 86+13153371540
Contact Us
- Beijing Sinoma Synthetic Crystals Co., Ltd.
- Contact nameHaibin Li Chat Now
- Phone86-10-65492826-8288
- AddressNo. 1, Hongsongyuan
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Bearing | Ceramic balls | ceramic rollers | New Products |
Silicon nitride parts |
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