| Material | Coefficient (λ) |
| Aluminium | 0.000 02 |
| Bronze | 0.002 |
| Constantan | 0.002 |
| Coppper | 0.003 82 |
| Gold | 0.003 4 |
| Mercury | 0.000 89 |
| Nickel | 0.004 7 |
| Nicrome | 0.000 13 |
| Platin | 0.002 5 |
| Silver | 0.003 8 |
| Steel | 0.004 2 |
| Zinc | 0.003 8 |
| Material | Coefficient (λ) |
| Aluminium | 0.000 02 |
| Bronze | 0.002 |
| Constantan | 0.002 |
| Coppper | 0.003 82 |
| Gold | 0.003 4 |
| Mercury | 0.000 89 |
| Nickel | 0.004 7 |
| Nicrome | 0.000 13 |
| Platin | 0.002 5 |
| Silver | 0.003 8 |
| Steel | 0.004 2 |
| Zinc | 0.003 8 |
