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Ball.Ceramic Ball Silicon Carbide Ball (SiC)
It has the highest wear, chemical resistance, hardness, and thermal conductivity among ceramics.
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Production Range
0.8 mm-25.4 mm (25.4 mm or bigger, customizable)
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Applications
Mechanical seal bearing, Burner nozzle, Pump parts, Semiconductor parts
본문
Chemical Composition
| Symbol | Chemical Composition |
|---|---|
| SiC | ≥99% |
Mechanical Property
| Performance of Si3N4 Ceramic Material | ||
|---|---|---|
| Density | g/㎤ | ≥3.1 |
| Hardness(HV) | Hv | 2450 |
| Bending Strength | Mpa | ≥400 |
| Crushing Strength | Mpa | 2200 ~ 3000 |
| Elastic Modulus | Gpa | 410 |
| Fracture Toughness | Mpa m½ | 4 ~ 5 |
| Thermal Expansion Coefficient | 10-6/℃ | 4.3 |
| Stystal size | ㎛ | <1 |
| Max Usage Temperature | ℃ | 1500 |
Production Grade (Unit : ㎛)
| Grade | Name Application Range | Shape Precision and Roughness | Sectional Precision and Gauge | ||||
|---|---|---|---|---|---|---|---|
| Grade | Metric | Inch | Diameter Variance (VDWS) | Sphericity (최대) | Surface Roughness (Ra) | Variance in LOTs (VDWL) | Gauge Interval |
| 10 | 0.3 ~ 25 | 0.025 ~ 1 | 0.25 | 0.25 | 0.025 | 0.5 | 1 |
Ball-mill products have separate grades.