| Material | Average linear expansion coefficient (α)) (°C)-1 |
|---|---|
| Aluminum | 24 × 10-6 |
| Brass and bronze | 19 × 10-6 |
| Copper | 17 × 10-6 |
| Glass(Ordinary) | 9 × 10-6 |
| Glass(Pyrex) | 3.2 × 10-6 |
| Lead | 29 × 10-6 |
| Steel | 11 × 10-6 |
| Invar (Ni - Fe alloy) | 0.9 × 10-6 |
| Concrete | 12 × 10-6 |