7021 Aluminum vs. C95410 Bronze
7021 aluminum belongs to the aluminum alloys classification, while C95410 bronze belongs to the copper 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 7021 aluminum and the bottom bar is C95410 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 120 |
| Elongation at Break, % | 9.4 | |
| 9.1 to 13 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 26 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 460 | |
| 620 to 740 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 260 to 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 230 |
| Melting Completion (Liquidus), °C | 630 | |
| 1040 |
| Melting Onset (Solidus), °C | 510 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 440 |
| Thermal Conductivity, W/m-K | 150 | |
| 59 |
| Thermal Expansion, µm/m-K | 24 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 38 | |
| 13 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 28 |
| Density, g/cm3 | 2.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 3.3 |
| Embodied Energy, MJ/kg | 150 | |
| 54 |
| Embodied Water, L/kg | 1140 | |
| 390 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 41 | |
| 57 to 64 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1110 | |
| 280 to 630 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 47 | |
| 20 |
| Strength to Weight: Axial, points | 44 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 45 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 59 | |
| 16 |
| Thermal Shock Resistance, points | 20 | |
| 22 to 26 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Aluminum (Al), % | 90.7 to 93.7 | |
| 10 to 11.5 |
| Chromium (Cr), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 83 to 85.5 |
| Iron (Fe), % | 0 to 0.4 | |
| 3.0 to 5.0 |
| Magnesium (Mg), % | 1.2 to 1.8 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 1.5 to 2.5 |
| Silicon (Si), % | 0 to 0.25 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 5.0 to 6.0 | |
| 0 |
| Zirconium (Zr), % | 0.080 to 0.18 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |