How does the electrical resistivity of metals change with temperature, and why does this matter for engineers and designers? In this article, you’ll explore a detailed table of metal resistivity and temperature coefficients. You’ll learn how different metals respond to temperature changes, impacting their performance in various applications. Whether you’re working on electronics, construction, or any field involving metals, understanding these properties can help you make informed decisions and optimize your designs for efficiency and reliability.
| Materials | Temperature t/℃ | Electrical resistivity p/×10-8Ω·m | Temperature Coefficient of Resistance aR/℃-1 |
| Silver | 20 | 1.586 | 0.0038(20℃) |
| Copper | 20 | 1.678 | 0.00393(20℃) |
| Gold | 20 | 2.40 | 0.00324(20℃) |
| Aluminum | 20 | 2.6548 | 0.00429(20℃) |
| Calcium | 0 | 3.91 | 0.00416(0℃) |
| Beryllium | 20 | 4.0 | 0.025(20℃) |
| Magnesium | 20 | 4.45 | 0.0165(20℃) |
| Molybdenum | 0 | 5.2 | |
| Iridium | 20 | 5.3 | 0.003925(0℃~100℃) |
| Tungsten | 27 | 5.65 | |
| Zinc | 20 | 5.196 | 0.00419(0℃~100℃) |
| Cobalt | 20 | 6.64 | 0.00604(0℃~100℃) |
| Nickel | 20 | 6.84 | 0.0069(0℃~100℃) |
| Cadmium | 0 | 6.83 | 0.0042(0℃~100℃) |
| Indium | 20 | 8.37 | |
| Iron | 20 | 9.71 | 0.00651(20℃) |
| Platinum | 20 | 10.6 | 0.00374(0℃~60℃) |
| Tin | 0 | 11.0 | 0.0047(0℃~100℃) |
| Rubidium | 20 | 12.5 | |
| Chromium | 0 | 12.9 | 0.003(0℃~100℃) |
| Gallium | 20 | 17.4 | |
| Thallium | 0 | 18.0 | |
| Cesium | 20 | 20 | |
| Lead | 20 | 20.684 | (0.0037620℃~40℃) |
| Antimony | 0 | 39.0 | |
| Titanium | 20 | 42.0 | |
| Mercury | 50 | 98.4 | |
| Manganese | 23~100 | 185.0 |
As the founder of MachineMFG, I have dedicated over a decade of my career to the metalworking industry. My extensive experience has allowed me to become an expert in the fields of sheet metal fabrication, machining, mechanical engineering, and machine tools for metals. I am constantly thinking, reading, and writing about these subjects, constantly striving to stay at the forefront of my field. Let my knowledge and expertise be an asset to your business.
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