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Engineering ToolBox > Coefficients of Linear Expansion
Thermal expansion coefficients for some common materials can be found in the table below:
| Product | Linear Temperature Expansion Coefficient - α- | |
| (m/m K x 10-6) | (in/in oF x 10-6) | |
| ABS thermoplastic | 99 | 55 |
| ABS -glass fiber-reinforced | 17 | |
| Acetal - glass fiber-reinforced | 22 | |
| Acrylic | 38 | |
| Alumina | 5.4 | 3.0 |
| Aluminum | 22.2 | 12.3 |
| Antimony | 10.4 | 5.8 |
| Beryllium | 11.5 | 6.4 |
| Beryllium Copper (Cu 75, Be 25) | 16.7 | 9.3 |
| Brass | 18.7 | 10.4 |
| Brick | 5.5 | 3.1 |
| Bronze | 18.0 | 10.0 |
| Carbon - diamond | 1.2 | 0.67 |
| Cast Iron Gray | 10.8 | 6.0 |
| Cement | 10.0 | 6.0 |
| Concrete | 14.5 | 8.0 |
| Copper | 16.5 | 9.3 |
| CPVC thermoplastic | 61 | 34 |
| Epoxy | 18 - 20 | 10 - 11 |
| Glass, hard | 5.9 | 3.3 |
| Glass, Pyrex | 4.0 | 2.2 |
| Glass, plate | 9.0 | 5.0 |
| Gold | 14.2 | 8.2 |
| Graphite | 7.9 | 4.4 |
| Inconel | 12.6 | 7.0 |
| Iron, pure | 12.0 | 6.7 |
| Iron, cast | 10.4 | 5.9 |
| Iron, forged | 11.3 | 6.3 |
| Lead | 28.0 | 15.1 |
| Magnesium | 14 | |
| Marble | 12 | 6.5 |
| Masonry | 4.5 - 9.0 | 2.5 - 9.0 |
| Monel | 13.5 | 7.5 |
| Mortar | 7.3 - 13.5 | 4.1-7.5 |
| Nickel | 13.0 | 7.2 |
| Nylon | 13 | |
| Plaster | 25 | 13.9 |
| Platinum | 9.0 | 5.0 |
| Polycarbonate - glass fiber-reinforced | 12 | |
| Polyester | 69 | |
| Polyester - glass fiber-reinforced | 14 | |
| Plyethylene | 72 | |
| Polyphenylene - glass fiber-reinforced | 20 | |
| Polypropylene | 48 | |
| Polypropylene - glass fiber-reinforced | 18 | |
| Porcelain | 3.0 | 1.7 |
| PVC thermoplastic | 52 | 29 |
| Quartz, fused | 0.59 | 0.33 |
| Rubber | 77 | 42.8 |
| Silver | 19.5 | 10.7 |
| Solder | 24.0 | 13.4 |
| Steel | 13.0 | 7.3 |
| Steel Stainless Austenitic (304) | 17.3 | 9.6 |
| Steel Stainless Austenitic (310) | 14.4 | 8.0 |
| Steel Stainless Austenitic (316) | 16.0 | 8.9 |
| Steel Stainless Ferritic (410) | 9.9 | 5.5 |
| Tin | 23.4 | 13.0 |
| Titanium | 8.6 | 4.8 |
| Tungsten | 4.3 | 2.4 |
| Uranium | 13.9 | 7.7 |
| Vinyl Ester | 16 - 22 | 8.7 - 12 |
| Wood, oak parallel to grain | 4.9 | 2.7 |
| Wood, oak across to grain | 5.4 | 3.0 |
| Zinc | 29.7 | 16.5 |