Coefficients of Linear Expansion
Linear temperature expansion coefficients for some common materials as aluminum, copper, glass, iron and many more
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Thermal expansion coefficients for some common materials can be found in the table below:
| Product | Linear Temperature Expansion Coefficient - α- |
|
| (10-6 m/m K) | (10-6 in/in oF) | |
| ABS (Acrylonitrile butadiene styrene) thermoplastic | 73.8 | 41 |
| ABS -glass fiber-reinforced | 30.4 | 17 |
| Acetal | 106.5 | 59.2 |
| Acetal - glass fiber-reinforced | 39.4 | 22 |
| Acrylic, sheet, cast | 81 | 45 |
| Acrylic, extruded | 234 | 130 |
| Alumina | 5.4 | 3.0 |
| Aluminum | 22.2 | 12.3 |
| Antimony | 10.4 | 5.8 |
| Arsenic | 4.7 | 2.6 |
| Barium | 20.6 | 11.4 |
| Beryllium | 11.5 | 6.4 |
| Beryllium Copper (Cu 75, Be 25) | 16.7 | 9.3 |
| Bismuth | 13 | 7.3 |
| Brass | 18.7 | 10.4 |
| Brick masonry | 5.5 | 3.1 |
| Bronze | 18.0 | 10.0 |
| Cadmium | 30 | 16.8 |
| Calcium | 22.3 | 12.4 |
| Carbon - diamond | 1.2 | 0.67 |
| Cast Iron Gray | 10.8 | 6.0 |
| Cellulose acetate (CA) | 130 | 72.2 |
| Cellulose acetate butyrate (CAB) | 25.2 | 14 |
| Cellulose nitrate (CN) | 100 | 55.6 |
| Cement | 10.0 | 6.0 |
| Cerium | 5.2 | 2.9 |
| Chlorinated polyvinylchloride (CPVC) | 66.6 | 37 |
| Chromium | 6.2 | 3.4 |
| Clay tile structure | 5.9 | 3.3 |
| Cobalt | 12 | 6.7 |
| Concrete | 14.5 | 8.0 |
| Concrete structure | 9.8 | 5.5 |
| Constantan | 18.8 | 10.4 |
| Copper | 16.6 | 9.3 |
| Corundum, sintered | 6.5 | 3.6 |
| Cupronickel 30% | 16.2 | 9 |
| Diamond | 1.1 | 0.6 |
| Dysprosium | 9.9 | 5.5 |
| Ebonite | 76.6 | 42.8 |
| Epoxy, castings resins & compounds, unfilled | 55 | 31 |
| Erbium | 12.2 | 6.8 |
| Ethylene ethyl acrylate (EEA) | 205 | 113.9 |
| Ethylene vinyl acetate (EVA) | 180 | 100 |
| Europium | 35 | 19.4 |
| Fluoroethylene propylene (FEP) | 135 | 75 |
| Gadolinium | 9 | 5 |
| Germanium | 6.1 | 3.4 |
| Glass, hard | 5.9 | 3.3 |
| Glass, Pyrex | 4.0 | 2.2 |
| Glass, plate | 9.0 | 5.0 |
| Gold | 14.2 | 8.2 |
| Granite | 7.9 | 4.4 |
| Graphite, pure | 7.9 | 4.4 |
| Hafnium | 5.9 | 3.3 |
| Hard alloy K20 | 6 | 3.3 |
| Hastelloy C | 11.3 | 6.3 |
| Holmium | 11.2 | 6.2 |
| Ice | 51 | 28.3 |
| Inconel | 12.6 | 7.0 |
| Indium | 33 | 18.3 |
| Invar | 1.5 | 0.8 |
| Iridium | 6.4 | 3.6 |
| Iron, pure | 12.0 | 6.7 |
| Iron, cast | 10.4 | 5.9 |
| Iron, forged | 11.3 | 6.3 |
| Lanthanum | 12.1 | 6.7 |
| Lead | 28.0 | 15.1 |
| Limestone | 8 | 4.4 |
| Lithium | 46 | 25.6 |
| Lutetium | 9.9 | 5.5 |
| Magnesium | 25 | 14 |
| Manganese | 22 | 12.3 |
| Marble | 5.5 - 14.1 | 3.1 - 7.9 |
| Masonry | 4.7 - 9.0 | 2.6 - 5.0 |
| Mica | 3 | 1.7 |
| Molybdenum | 5 | 2.8 |
| Monel | 13.5 | 7.5 |
| Mortar | 7.3 - 13.5 | 4.1-7.5 |
| Neodymium | 9.6 | 5.3 |
| Nickel | 13.0 | 7.2 |
| Niobium (Columbium) | 7 | 3.9 |
| Nylon, general purpose | 72 | 40 |
| Nylon, Type 11, molding and extruding compound | 100 | 55.6 |
| Nylon, Type 12, molding and extruding compound | 80.5 | 44.7 |
| Nylon, Type 6, cast | 85 | 47.2 |
| Nylon, Type 6/6, molding compound | 80 | 44.4 |
| Osmium | 5 | 2.8 |
| Palladium | 11.8 | 6.6 |
| Phenolic resin without fillers | 80 | 44.4 |
| Plaster | 16.4 | 9.2 |
| Platinum | 9.0 | 5.0 |
| Plutonium | 54 | 30.2 |
| Polyallomer | 91.5 | 50.8 |
| Polyamide (PA) | 110 | 61.1 |
| Polycarbonate (PC) | 70.2 | 39 |
| Polycarbonate - glass fiber-reinforced | 21.5 | 12 |
| Polyester | 123.5 | 69 |
| Polyester - glass fiber-reinforced | 25 | 14 |
| Polyethylene (PE) | 200 | 111 |
| Polyethylene terephthalate (PET) | 59.4 | 33 |
| Polyphenylene - glass fiber-reinforced | 35.8 | 20 |
| Polypropylene (PP), unfilled | 90.5 | 50.3 |
| Polypropylene - glass fiber-reinforced | 32 | 18 |
| Polystyrene (PS) | 70 | 38.9 |
| Polysulfone (PSO) | 55.8 | 31 |
| Polyurethane (PUR), rigid | 57.6 | 32 |
| Porcelain | 3.6 | 2.0 |
| Potassium | 83 | 46.4 |
| Polyvinyl chloride (PVC) | 50.4 | 28 |
| Polyvinylidene fluoride (PVDF) | 127.8 | 71 |
| Porcelain | 4.5 | 2.5 |
| Potassium | 83 | 46.1 |
| Praseodymium | 6.7 | 3.7 |
| Promethium | 11 | 6.1 |
| Quartz | 0.77 - 1.4 | 0.43 - 0.79 |
| Rhenium | 6.7 | 3.7 |
| Rhodium | 8 | 4.5 |
| Rubber, hard | 77 | 42.8 |
| Ruthenium | 9.1 | 5.1 |
| Samarium | 12.7 | 7.1 |
| Sandstone | 11.6 | 6.5 |
| Scandium | 10.2 | 5.7 |
| Selenium | 3.8 | 2.1 |
| Silicon | 5.1 | 2.8 |
| Silver | 19.5 | 10.7 |
| Slate | 10.4 | 5.8 |
| Sodium | 70 | 39.1 |
| Solder 50 - 50 | 24.0 | 13.4 |
| Steatite | 8.5 | 4.7 |
| 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 |
| Strontium | 22.5 | 12.5 |
| Tantalum | 6.5 | 3.6 |
| Tellurium | 36.9 | 20.5 |
| Terbium | 10.3 | 5.7 |
| Terne | 11.6 | 6.5 |
| Thallium | 29.9 | 16.6 |
| Thorium | 12 | 6.7 |
| Thulium | 13.3 | 7.4 |
| Tin | 23.4 | 13.0 |
| Titanium | 8.6 | 4.8 |
| Tungsten | 4.3 | 2.4 |
| Uranium | 13.9 | 7.7 |
| Vanadium | 8 | 4.5 |
| Vinyl Ester | 16 - 22 | 8.7 - 12 |
| Wood, fir | 3.7 | 2.1 |
| Wood, oak parallel to grain | 4.9 | 2.7 |
| Wood, oak across to grain | 5.4 | 3.0 |
| Wood, pine | 5 | 2.8 |
| Ytterbium | 26.3 | 14.6 |
| Yttrium | 10.6 | 5.9 |
| Zinc | 29.7 | 16.5 |
| Zirconium | 5.7 | 3.2 |
- T(oC) = 5/9[T(oF) - 32]
- 1 in (inch) = 25.4 mm
- 1 ft (foot) = 0.3048 m
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