C17200 Copper vs. 7175 Aluminum
C17200 copper belongs to the copper alloys classification, while 7175 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is C17200 copper and the bottom bar is 7175 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 70 |
| Elongation at Break, % | 1.1 to 37 | |
| 3.8 to 5.9 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 45 | |
| 26 |
| Shear Strength, MPa | 330 to 780 | |
| 290 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 480 to 1380 | |
| 520 to 570 |
| Tensile Strength: Yield (Proof), MPa | 160 to 1250 | |
| 430 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 280 | |
| 180 |
| Melting Completion (Liquidus), °C | 980 | |
| 640 |
| Melting Onset (Solidus), °C | 870 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 870 |
| Thermal Conductivity, W/m-K | 110 | |
| 140 |
| Thermal Expansion, µm/m-K | 18 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 22 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 23 | |
| 99 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 9.4 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 310 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.2 to 500 | |
| 18 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 5720 | |
| 1310 to 1730 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 46 |
| Strength to Weight: Axial, points | 15 to 44 | |
| 48 to 52 |
| Strength to Weight: Bending, points | 16 to 31 | |
| 48 to 51 |
| Thermal Diffusivity, mm2/s | 31 | |
| 53 |
| Thermal Shock Resistance, points | 16 to 46 | |
| 23 to 25 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.2 | |
| 88 to 91.4 |
| Beryllium (Be), % | 1.8 to 2.0 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.18 to 0.28 |
| Copper (Cu), % | 96.1 to 98 | |
| 1.2 to 2.0 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 0 | |
| 2.1 to 2.9 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0.2 to 0.6 | |
| 0 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 5.1 to 6.1 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |