Metals - Temperature Expansion Coefficients
Thermal expansion coefficients metals.
The linear thermal expansion coefficient is the ratio change in length per degree temperature to length.
Linear thermal expansion for some common metals:
| Metal | Temperature Range (oF) | Thermal Expansion (10-6 in/(in oF)) |
|---|---|---|
| Admiralty Brass | 68 - 572 | 11.2 |
| Aluminum | 68 - 212 | 13.1 |
| Aluminum Bronze | 68 - 572 | 9.0 |
| Aluminum Alloy - 2011 | 12.8 | |
| Aluminum Alloy - 2017 | 13.1 | |
| Aluminum Alloy - 2024 | 12.9 | |
| Aluminum Alloy - 3003 | 12.9 | |
| Aluminum Alloy - 5052 | 13.2 | |
| Aluminum Alloy - 5086 | 13.2 | |
| Aluminum Alloy - 6061 | 13.0 | |
| Aluminum Alloy - 7075 | 13.1 | |
| Antimony | 5 | |
| Beryllium | 6.7 | |
| Beryllium Copper | 68 - 212 | 9.3 |
| Bismuth | 7.2 | |
| Cast Iron, grey | 32 - 212 | 5.8 |
| Cast Steel, 3% C |
7.0 |
|
| Chromium | 3.3 | |
| Cobalt | 6.7 | |
| Copper | 68 - 572 | 9.8 |
| Copper-Base Alloy - Manganese Bronze | 11.8 | |
| Copper-Base Alloy - C1100 (Electrolytic tough pitch) | 9.8 | |
| Copper-Base Alloy - C14500 (Free Machining Cu) | 9.9 | |
| Copper-Base Alloy - C17200, C17300 (Beryllium Cu) | 9.9 | |
| Copper-Base Alloy - C18200 (Chromium Cu) | 9.8 | |
| Copper-Base Alloy - C18700 (Leaded Cu) | 9.8 | |
| Copper-Base Alloy - C22000 (Commercial bronze, 90%) | 10.2 | |
| Copper-Base Alloy - C23000 (Red brass, 85%) | 10.4 | |
| Copper-Base Alloy - C26000 (Cartridge brass, 70%) | 11.1 | |
| Copper-Base Alloy - C27000 (Yellow brass) | 11.3 | |
| Copper-Base Alloy - C28000 (Muntz metal, 60%) | 11.6 | |
| Copper-Base Alloy - C33000 (Low-leaded brass tube) | 11.2 | |
| Copper-Base Alloy - C35300 (High-leaded brass) | 11.3 | |
| Copper-Base Alloy - C35600 (Extra high-leaded brass) | 11.4 | |
| Copper-Base Alloy - C36000 (Free machining brass) | 11.4 | |
| Copper-Base Alloy - C36500 (Leaded Muntz metal) | 11.6 | |
| Copper-Base Alloy - C46400 (Naval brass) | 11.8 | |
| Copper-Base Alloy - C51000 (Phosphor bronze, 5% A) | 9.9 | |
| Copper-Base Alloy - C54400 (Free cutting phos. bronze) | 9.6 | |
| Copper-Base Alloy - C62300 (Aluminum bronze, 9%) | 9.0 | |
| Copper-Base Alloy - C62400 (Aluminum bronze, 11%) | 9.2 | |
| Copper-Base Alloy - C63000 (Ni-Al bronze) | 9.0 | |
| Copper-Base Alloy - Nickel-Silver | 9.0 | |
| Cupronickel | 68 - 572 | 9.0 |
| Ductile Iron, A536 (120-90-02) | 5.9 - 6.2 | |
| Gold | 7.9 | |
| Hastelloy C | 70 - 200 | 5.3 |
| Inconel | 68 - 212 | 6.4 |
| Incoloy | 32 - 212 | 8.0 |
| Invar | 68 - 212 | 0.67 |
| Iridium | 3.3 | |
| Iron, nodular pearlitic | 68 - 212 | 6.5 |
| Iron, pure | 68 - 212 | 6.8 |
| Kovar | 77 - 392 | 3.05 |
| Kovar | 77 - 572 | 2.83 |
| Kovar | 77 - 752 | 2.72 |
| Kovar | 77 - 932 | 3.44 |
| Magnesium | 14 | |
| Malleable Iron, A220 (50005, 60004, 80002) | 7.5 | |
| Manganese | 12 | |
| Manganese Bronze | 68 - 572 | 11.8 |
| Mild steel | 5.9 | |
| Molybdenum | 3.0 | |
| Monel | 32 - 212 | 7.8 |
| Nickel-Base Alloy - Nickel 200, 201, 205 | 8.5 | |
| Nickel-Base Alloy - Hastelloy C-22 | 6.9 | |
| Nickel-Base Alloy - Hastelloy C-276 | 6.2 | |
| Nickel-Base Alloy - Inconel 718 | 7.2 | |
| Nickel-Base Alloy - Monel | 8.7 | |
| Nickel-Base Alloy - Monel 400 | 7.7 | |
| Nickel-Base Alloy - K500 | 7.6 | |
| Nickel-Base Alloy - R405 | 7.6 | |
| 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 | |
| Stainless Steel - S30100 | 9.4 | |
| Stainless Steel - S30200, S30300, S30323 | 9.6 | |
| Stainless Steel - S30215 | 9.0 | |
| Stainless Steel - S30400, S30500 | 9.6 | |
| Stainless Steel - S30430 | 9.6 | |
| Stainless Steel - S30800 | 9.6 | |
| Stainless Steel - S30900, S30908 | 8.3 | |
| Stainless Steel - S31000, S31008 | 8.8 | |
| Stainless Steel - S31600, S31700 | 8.8 | |
| Stainless Steel - S31703 | 9.2 | |
| Stainless Steel - S32100 | 9.2 | |
| Stainless Steel - S34700 | 9.2 | |
| Stainless Steel - S34800 | 9.3 | |
| Stainless Steel - S38400 | 9.6 | |
| Stainless Steel - S40300, S41000, S41600, 41623 | 5.5 | |
| Stainless Steel - S40500 | 6.0 | |
| Stainless Steel - S41400 | 5.8 | |
| Stainless Steel - S42000, S42020 | 5.7 | |
| Stainless Steel - S42200 | 6.2 | |
| Stainless Steel - S42900 | 5.7 | |
| Stainless Steel - S43000, S43020, S43023 | 5.8 | |
| Stainless Steel - S43600 | 5.2 | |
| Stainless Steel - S44002, S44004 | 5.7 | |
| Stainless Steel - S44003 | 5.6 | |
| Stainless Steel - S44600 | 5.8 | |
| Stainless Steel - S50100, S50200 | 6.2 | |
| Tantalum | 3.6 | |
| Thorium | 6.7 | |
| Tin | 32 - 212 | 12.8 |
| Titanium | 68 - 200 | 4.8 |
| Titanium Alloy - Ti-5Al-2.5Sn | 5.3 | |
| Ti-8Mn | 6.0 | |
| 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
Note that the coefficient of expansions may change with temperature.
