|
Dimension: 2.381mm
Material: NBD-200
Max. load: 340 kN
LIL® Silicon Nitride Ceramic Ball Grade 3
Property of a ball
|
Steel |
Ceramic (Coorstek)
|
Difference |
| Density |
7,6 |
3,2 |
- 58% lighter |
| Hardness |
700 |
1550 |
+ 121% harder |
| Elasticity |
190 |
320 |
+ 68% more rigid |
| Coefficient of thermal expansion |
12,3 |
2,9 |
- 76% |
| Max temperature °C |
320 |
1000 |
+ 680°C |
| Surface roughness |
0,02 |
0,005 |
+ 75% smoother |
Shelf life compared to a steel ball
|
- |
10x |
10x |
|
