Thermal Expansion Metals
Thermal expansion of some common metals
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The coefficient of linear thermal expansion is the ratio of the change in length per degree F (imperial) to the length.
Linear thermal expansion for some common metals can be found in the table below:
| Metal | Temperature Range (oF) |
Thermal Expansion (microinch/(in oF)) |
| Admiralty Brass | 68 - 572 | 11.2 |
| Aluminum | 68 - 212 | 13.1 |
| Aluminum Bronze | 68 - 572 | 9.0 |
| Antimony | 5 | |
| Beryllium | 6.7 | |
| Beryllium Copper | 68 - 212 | 9.3 |
| Bismuth | 7.2 | |
| Cast Iron, gray | 32 - 212 | 5.8 |
| Chromium | 3.3 | |
| Cobalt | 6.7 | |
| Copper | 68 - 572 | 9.8 |
| Cupronickel | 68 - 572 | 9.0 |
| Gold | 7.9 | |
| Hastelloy C | 70 - 200 | 5.3 |
| Inconel | 68 - 212 | 6.4 |
| Incoloy | 32 - 212 | 8.0 |
| Iridium | 3.3 | |
| Iron, nodular pearlitic | 68 - 212 | 6.5 |
| Iron, pure | 68 - 212 | 6.8 |
| Magnesium | 14 | |
| Manganese | 12 | |
| Manganese Bronze | 68 - 572 | 11.8 |
| Molybdenum | 3.0 | |
| Monel | 32 - 212 | 7.8 |
| Nickel Wrought | 77 - 212 | 7.4 |
| Niobium (Columbium) | 3.9 | |
| Red Brass | 68 - 572 | 10.4 |
| Osmium | 2.8 | |
| Platinum | 5 | |
| Plutonium | 19.84 | |
| Potassium | 46 | |
| Rhodium | 4.4 | |
| Selenium | 21 | |
| Silicon | 2.8 | |
| Silver | 11 | |
| Sodium | 39 | |
| Tantalum | 3.6 | |
| Thorium | 6.7 | |
| Tin | 32 - 212 | 12.8 |
| Titanium | 68 - 200 | 4.8 |
| Tungsten | 2.5 | |
| Uranium | 7.4 | |
| Vanadium | 4.4 | |
| Wrought Carbon Steel | 70 - 800 | 7.8 |
| Yellow Brass | 68 - 572 | 11.3 |
| Zinc | 19 |
- T(oC) = 5/9[T(oF) - 32]
- 1 in (inch) = 25.4 mm
- 1 ft (foot) = 0.3048 m
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