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Ball.Ceramic Ball Alumina Ball (Al203)
This is the cheapest type of ceramic ball, and it features high hardness, heat, wear, chemical resistance, and electric insulation.
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Production Range
2.0 mm-50.8 mm (35 mm or bigger, customizable)
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Applications
Industrial pump parts, Desulfurization equipment, Ball mill, etc.
본문
Chemical Composition
| Symbol | Chemical Composition |
|---|---|
| Al203 | ≥99% |
Mechanical Property
| Performance of Al203 Ceramic Material | ||
|---|---|---|
| Density | g/㎤ | 3.85 ~ 3.92 |
| Hardness(HV) | Hv | 1800 |
| Bending Strength | Mpa | 30 ~ 40 |
| Crushing Strength | Mpa | 2800 ~ 3500 |
| Elastic Modulus | Gpa | 407 |
| Fracture Toughness | Mpa m½ | 2 ~ 4 |
| Thermal Expansion Coefficient | 10-6/℃ | 7 |
| Max Usage Temperature | ℃ | 1600 |
Production Grade (Unit : ㎛)
| Grade | Name Application Range | Shape Precision and Roughness | Sectional Precision and Gauge | ||||
|---|---|---|---|---|---|---|---|
| Grade | Metric | Inch | Diameter Variance (VDWS) | Sphericity (Max) | 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.