7075 Aluminum vs. C61300 Bronze
7075 aluminum belongs to the aluminum alloys classification, while C61300 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 7075 aluminum and the bottom bar is C61300 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 1.8 to 12 | |
| 34 to 40 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 26 | |
| 43 |
| Shear Strength, MPa | 150 to 340 | |
| 370 to 390 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 590 | |
| 550 to 580 |
| Tensile Strength: Yield (Proof), MPa | 120 to 510 | |
| 230 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 210 |
| Melting Completion (Liquidus), °C | 640 | |
| 1050 |
| Melting Onset (Solidus), °C | 480 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 420 |
| Thermal Conductivity, W/m-K | 130 | |
| 55 |
| Thermal Expansion, µm/m-K | 23 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 29 |
| Density, g/cm3 | 3.0 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 3.0 |
| Embodied Energy, MJ/kg | 150 | |
| 49 |
| Embodied Water, L/kg | 1120 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.8 to 44 | |
| 150 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 1870 | |
| 230 to 410 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 46 | |
| 19 |
| Strength to Weight: Axial, points | 22 to 54 | |
| 18 to 19 |
| Strength to Weight: Bending, points | 28 to 52 | |
| 18 |
| Thermal Diffusivity, mm2/s | 50 | |
| 15 |
| Thermal Shock Resistance, points | 10 to 25 | |
| 19 to 20 |
Alloy Composition
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| Aluminum (Al), % | 86.9 to 91.4 | |
| 6.0 to 7.5 |
| Chromium (Cr), % | 0.18 to 0.28 | |
| 0 |
| Copper (Cu), % | 1.2 to 2.0 | |
| 88 to 91.8 |
| Iron (Fe), % | 0 to 0.5 | |
| 2.0 to 3.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.010 |
| Magnesium (Mg), % | 2.1 to 2.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 | |
| 0.2 to 0.5 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 5.1 to 6.1 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.2 |