Silicon carbide balls are distinguished by their robustness and their exceptional resistance to corrosion and wear, while offering excellent rigidity. Thanks to their electrical conductivity, they are ideal for high temperature applications. With stock available in France, Marteau- Lemarie stands as a trusted partner for an expert and personalized advice.
Physical characteristics of silicon carbide ball (sic)
| Ownership | Value | Unit |
|---|---|---|
| Density | 3.15 | g/cm3 |
| Young Module | 405 | GPA |
| Thermal expansion coefficient | 3.7 (T=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 144 | W/m·K |
| Volume resistivity | >10^4 | D·m |
| Specific heat | 695 | J/kg·K |
| Relative magnetic permeability | <~1 | — |
| Magnetic behaviour | Diamagnetic | — |
| Friction coefficient | 0.6 | — |
Hardness and mechanical strength of silicon carbide ball (sic)
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 2200-2800 | HV |
| Exercise temperatures | 0/1500 | ° C |
| Exercise temperatures | 32/2732 | °F |
Available diameters and grades for silicon carbide ball (sic)
| Parameter | Value |
|---|---|
| Minimum diameter | 1 mm — 3/64′′′ |
| Maximum diameter | 50 mm — 2′′ |
| Grades available | G10-16-20-25-28-40-60-100 |
| Precision standards | ISO 3290 / AFBMA |
Corrosion resistance of silicon carbide ball (sic)
Good corrosion resistance in diluted and concentrated acids, moderate resistance in alkalis and halogens, do not withstand contact with diluted metals. Good resistance in hydrofluoric and sulphuric acids and sodium hydroxide, fairly good resistance in nitric and hydrochloric acid.
Applications of silicon carbide ball (sic)
Special bearings and pumps, electric switches and sensors, medical equipment. Used in the automotive, aeronautical and aerospace, maritime, petroleum, chemical and electronic industries.
