| Key feature |
| 1. |
Light weight (same as aluminum) |
| 2. |
Stiff (more than casted iron) |
| 3. |
Low thermal expansion (2/3 to 1/8 of aluminum) |
| 4. |
Good thermal conductivity (same as aluminum) |
| 5. |
Good vibration dumping (more than aluminum) |
| 6. |
Tough (more than ceramics) |