Properties of Copper (Cu)
Copper is a chemical element with the symbol (Cu) and atomic number 29. It is a ductile metal with excellent electrical conductivity, and it is commonly used in the production of electrical wires and components. Copper has a reddish-orange color and is known for its malleability, corrosion resistance, and thermal conductivity.
The following table provides a comprehensive list of copper (Cu) properties in both SI and US customary/Imperial units at normal temperature and pressure (NTP).
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Crystal Structure | Face-centered cubic (fcc) |
| Atomic Number | 29 |
| Molar Mass | 63.546 g/mol |
| Density | 8960 kg/m3 |
| Mechanical Properties | Metric |
| Young’s Modulus (E) | 129.8 GPa |
| Shear Modulus (G) | 48.3 GPa |
| Bulk Modulus (K) | 142.45 GPa |
| Poisson’s Ratio (ν) | 0.343 |
| Mohs Hardness | 3 |
| Thermal Properties | Metric |
| Melting Point | 1084.6 °C |
| Boiling Point | 2560 °C |
| Thermal Conductivity (27°C) | 401 W/m·K |
| Specific Heat Capacity (Cp) (25°C) | 384.7 J/kg·K |
| Coefficient of Thermal Expansion (αL) (25°C) | 1.65×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Resistivity | 1.712×10-6 Ω·cm |
Unless stated otherwise, all values are taken at room temperature (approximately 20°C or 68°F) and 1 atm pressure. (1 atm = 101,325 Pa)
Related Pages
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017. 3) A.M. Howatson, P.G. Lun, J.D. Todd, P.D. Engineering Tables and Data. United Kingdom: University of Oxford, Department of Engineering Science, 2009.