Ceramic Welding Ring
- Brand Name
- 3X Ceramic Parts
- Material Type
- silicon nitride
- MOQ
- 5 piece
- Specification
- custom make
- Hardness
- HRA 90
- Density
- ＞3.2g/cm3
- Max working temperature
- 1200 ℃
- Thermal Conductivity
- 15-20 W （m.k）
- Thermal Shock Resistant
- 500 △ T ℃
- Compressive Strength
- 2500 Mpa
- Flexural Strength
- ＞600 Mpa
Good Thermal Shock Resistant Silicon Nitride Welding Ring
Silicon Nitride Welding ring are used on automative welding for car manufacturers and suppliers . The physical and chemical properties as well as extreme stress tolerance extend the possible range to applications in production engineering . Thie lead to high speed and high circle life. The silicon nitride welding ring solved the application problems : hardness , wear resistance , thermal shock resistance , impact strength , high temperature resistance , and long service life .
Properties sheet of Silicon Nitride material :
| Properties | Units | Silicone Nitride |
| Density | g / cm³ | 3.23 |
| Water absorption | % | 0 |
| Coefficient of thermal expansion | 10-6/K | 3.2 |
| Modulus of Elasticity Young's Mod | GPa | 300 |
| Poisson's ratio | / | 0.26 |
| HV Hardness HV | MPa | 1500 |
| Flexural Strength @ room temperature | MPa | 720 |
| Flexural Strength @700°C | MPa | 450 |
| Compressive Strength @ room temperature | MPa | 2300 |
| Fracture Toughness | MPa *m 1/2 | 6.2 |
| Heat conductivity @ room temperature | W/ m*k | 25 |
| Electrical Resistivity @ room temperature | Ω*mm2 /m | >1013 |
| Max use temperature | °C | 1050 |
| Resistance to acid alkaline | / | high |
| Dielectric Constant | / | / |
| Dielectric Strength | KV/mm | / |
| Thermal Shock Resistance | △ T ( °C ) | / |
| Tensile Strength @ 25 °C | MPa | / |
Application photo of silicon nitride welding ring :
