Materials / Copper
Copper C110
Copper C110 (ETP, annealed) strength, stiffness, density and thermal properties, with their source.
A bracket in Copper C110, brushed finish.
| Process | Wrought |
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| Mechanical |
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| Yield strength | 69MPasourcetypical, 0.5% extension under load |
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| Ultimate tensile strength | 221MPasourcetypical |
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| Elongation at break | 55%sourcetypical, 1 in. rod |
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| Young's modulus (stiffness) | 117GPasourcetypical |
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| Density | 8,913kg/m³sourcenominal |
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| Strength to weight | 7.74kN·m/kg |
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| Stiffness to weight | 13.1MN·m/kg |
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| Poisson's ratio | 0.34sourcereference value at room temperature (Wieland-K32 = Cu-ETP = C11000, rolled products) |
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| Shear modulus | 43.7GPa |
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| Bulk modulus | 122GPa |
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| Speed of sound | 3,626m/s |
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| Thermal |
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| Thermal conductivity | 391W/m·Ksourcetypical, 20 °C |
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| Thermal expansion | 16.9µm/m·Ksourcetypical, mean 20-100 °C |
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| 100 mm part over a 50 °C swing | 84.5µm growth |
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| Specific heat | 385J/kg·Ksourcetypical, 20 °C |
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| Heats up and cools (diffusivity) | 114mm²/s |
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| Thermal shock resistance | 8,992W/m |
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| Melting point | 1,065–1,083°Csourcesolidus-liquidus |
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| Values for | C11000 ETP copper, annealed to 0.050 mm grain size (OS050), 1 in. rod, copper.org typical values |
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Stiffness against densityStrength against density