Resistivity and Conductivity - Temperature Coefficients
Comprehensive reference table of electrical resistivity, conductivity, and temperature coefficients for common materials. Includes data for metals, alloys, semiconductors, insulators, and other materials with values at 20°C reference temperature.
| Material | Resistivity (Ω m) | Temperature Coefficient (1/°C) | Conductivity (1/(Ω m)) |
|---|---|---|---|
| Aluminum | 2.65×10⁻⁸ | 3.8×10⁻³ | 3.77×10⁷ |
| Aluminum alloy 3003, rolled | 3.7×10⁻⁸ | — | — |
| Aluminum alloy 2014, annealed | 3.4×10⁻⁸ | — | — |
| Aluminum alloy 360 | 7.5×10⁻⁸ | — | — |
| Aluminum bronze | 12×10⁻⁸ | — | — |
| Animal fat | — | — | 14×10⁻² |
| Animal muscle | — | — | 0.35 |
| Antimony | 41.8×10⁻⁸ | — | — |
| Barium (0°C) | 30.2×10⁻⁸ | — | — |
| Beryllium | 4.0×10⁻⁸ | — | — |
| Beryllium copper 25 | 7×10⁻⁸ | — | — |
| Bismuth | 115×10⁻⁸ | — | — |
| Brass - 58% Cu | 5.9×10⁻⁸ | 1.5×10⁻³ | — |
| Brass - 63% Cu | 7.1×10⁻⁸ | 1.5×10⁻³ | — |
| Cadmium | 7.4×10⁻⁸ | — | — |
| Caesium (0°C) | 18.8×10⁻⁸ | — | — |
| Calcium (0°C) | 3.11×10⁻⁸ | — | — |
| Carbon (graphite) | 3 - 60×10⁻⁵ | -4.8×10⁻⁴ | — |
| Cast iron | 100×10⁻⁸ | — | — |
| Cerium (0°C) | 73×10⁻⁸ | — | — |
| Chromel | — | 0.58×10⁻³ | — |
| Chromium | 13×10⁻⁸ | — | — |
| Cobalt | 9×10⁻⁸ | — | — |
| Constantan | 49×10⁻⁸ | 3×10⁻⁵ | 0.20×10⁷ |
| Copper | 1.724×10⁻⁸ | 3.93×10⁻³ | 5.95×10⁷ |
| Cupronickel 55-45 (constantan) | 43×10⁻⁸ | — | — |
| Dysprosium (0°C) | 89×10⁻⁸ | — | — |
| Erbium (0°C) | 81×10⁻⁸ | — | — |
| Eureka | — | 0.1×10⁻³ | — |
| Europium (0°C) | 89×10⁻⁸ | — | — |
| Gadolium | 126×10⁻⁸ | — | — |
| Gallium (1.1K) | 13.6×10⁻⁸ | — | — |
| Germanium | 1 - 500×10⁻³ | -50×10⁻³ | — |
| Glass | 1 - 10000×10⁹ | — | 10⁻¹² |
| Gold | 2.24×10⁻⁸ | — | — |
| Graphite | 800×10⁻⁸ | -2.0×10⁻⁴ | — |
| Hafnium (0.35K) | 30.4×10⁻⁸ | — | — |
| Hastelloy C | 125×10⁻⁸ | — | — |
| Holmium (0°C) | 90×10⁻⁸ | — | — |
| Indium (3.35K) | 8×10⁻⁸ | — | — |
| Inconel | 103×10⁻⁸ | — | — |
| Iridium | 5.3×10⁻⁸ | — | — |
| Iron | 9.71×10⁻⁸ | 6.41×10⁻³ | 1.03×10⁷ |
| Lanthanum (4.71K) | 54×10⁻⁸ | — | — |
| Lead | 20.6×10⁻⁸ | — | 0.45×10⁷ |
| Lithium | 9.28×10⁻⁸ | — | — |
| Lutetium | 54×10⁻⁸ | — | — |
| Magnesium | 4.45×10⁻⁸ | — | — |
| Magnesium alloy AZ31B | 9×10⁻⁸ | — | — |
| Manganese | 185×10⁻⁸ | 1.0×10⁻⁵ | — |
| Mercury | 98.4×10⁻⁸ | 8.9×10⁻³ | 0.10×10⁷ |
| Mica (Glimmer) | 1×10¹³ | — | — |
| Mild steel | 15×10⁻⁸ | 6.6×10⁻³ | — |
| Molybdenum | 5.2×10⁻⁸ | — | — |
| Monel | 58×10⁻⁸ | — | — |
| Neodymium | 61×10⁻⁸ | — | — |
| Nichrome | 100 - 150×10⁻⁸ | 0.40×10⁻³ | — |
| Nickel | 6.85×10⁻⁸ | 6.41×10⁻³ | — |
| Nickeline | 50×10⁻⁸ | 2.3×10⁻⁴ | — |
| Niobium (Columbium) | 13×10⁻⁸ | — | — |
| Osmium | 9×10⁻⁸ | — | — |
| Palladium | 10.5×10⁻⁸ | — | — |
| Phosphorus | 1×10¹² | — | — |
| Platinum | 10.5×10⁻⁸ | 3.93×10⁻³ | 0.943×10⁷ |
| Plutonium | 141.4×10⁻⁸ | — | — |
| Polonium | 40×10⁻⁸ | — | — |
| Potassium | 7.01×10⁻⁸ | — | — |
| Praseodymium | 65×10⁻⁸ | — | — |
| Promethium | 50×10⁻⁸ | — | — |
| Protactinium (1.4K) | 17.7×10⁻⁸ | — | — |
| Quartz (fused) | 7.5×10¹⁷ | — | — |
| Rhenium (1.7K) | 17.2×10⁻⁸ | — | — |
| Rhodium | 4.6×10⁻⁸ | — | — |
| Rubber - hard | 1 - 100×10¹³ | — | — |
| Rubidium | 11.5×10⁻⁸ | — | — |
| Ruthenium (0.49K) | 11.5×10⁻⁸ | — | — |
| Samarium | 91.4×10⁻⁸ | — | — |
| Scandium | 50.5×10⁻⁸ | — | — |
| Selenium | 12.0×10⁻⁸ | — | — |
| Silicon | 0.1-60 | -70×10⁻³ | — |
| Silver | 1.59×10⁻⁸ | 3.82×10⁻³ | 6.29×10⁷ |
| Sodium | 4.2×10⁻⁸ | — | — |
| Soil, typical ground | — | — | 10⁻² - 10⁻⁴ |
| Solder | 15×10⁻⁸ | — | — |
| Stainless steel | — | — | 10⁶ |
| Strontium | 12.3×10⁻⁸ | — | — |
| Sulfur | 1×10¹⁷ | — | — |
| Tantalum | 12.4×10⁻⁸ | — | — |
| Terbium | 113×10⁻⁸ | — | — |
| Thallium (2.37K) | 15×10⁻⁸ | — | — |
| Thorium | 18×10⁻⁸ | — | — |
| Thulium | 67×10⁻⁸ | — | — |
| Tin | 11.0×10⁻⁸ | 4.2×10⁻³ | — |
| Titanium | 43×10⁻⁸ | — | — |
| Tungsten | 5.65×10⁻⁸ | 4.5×10⁻³ | 1.79×10⁷ |
| Uranium | 30×10⁻⁸ | — | — |
| Vanadium | 25×10⁻⁸ | — | — |
| Water, distilled | — | — | 10⁻⁴ |
| Water, fresh | — | — | 10⁻² |
| Water, salt | — | — | 4 |
| Ytterbium | 27.7×10⁻⁸ | — | — |
| Yttrium | 55×10⁻⁸ | — | — |
| Zinc | 5.92×10⁻⁸ | 3.7×10⁻³ | — |
| Zirconium (0.55K) | 38.8×10⁻⁸ | — | — |