Silicon Carbide Ceramic Ball
Diameter：0.8mm-25.4mm
Standard：ISO3290
Precision grade：G16-G200
Longer Service Life: 3-5x lifespan vs. alumina/zirconia balls in abrasive conditions.
Applications
| Industry | Use Cases |
|---|---|
| Chemical Processing | Pump seals, valve components in corrosive fluid systems. |
| Aerospace | Bearings for turbochargers, rocket nozzle guides. |
| Semiconductor | Wafer-handling robots, CVD reactor components. |
| Energy | Grinding media for coal pulverizers, nuclear reactor insulators. |
| Automotive | High-temperature turbo bearings, brake system sensors. |
Chemical Composition & Resistance
- Primary Components: Si (60-70%), C (30-40%) with trace sintering aids (Al₂O₃, Y₂O₃).
- Corrosion Resistance:
- Acids: Resists HCl (≤50%), H₂SO₄ (≤75%), HNO₃ (≤40%) at 25°C.
- Alkalis: Stable in NaOH (≤30%), KOH (≤25%) solutions.
- Molten Metals: Compatible with aluminum, zinc, and lead melts.
Mechanical Properties
| Property | Value/Description |
|---|---|
| Hardness | 2,500-3,000 HV (Vickers) |
| Flexural Strength | 350-600 MPa |
| Compressive Strength | 2,500-3,500 MPa |
| Fracture Toughness | 3.5-4.5 MPa·m¹/² |
| Thermal Conductivity | 120-200 W/m·K |
| Thermal Expansion | 4.0-4.5 ×10⁻⁶/°C (20-1,000°C) |
