C68400 Brass vs. 5082 Aluminum
C68400 brass belongs to the copper alloys classification, while 5082 aluminum belongs to the aluminum 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 C68400 brass and the bottom bar is 5082 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 67 |
| Elongation at Break, % | 18 | |
| 1.1 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Shear Modulus, GPa | 41 | |
| 25 |
| Shear Strength, MPa | 330 | |
| 210 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 380 to 400 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 300 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 180 |
| Melting Completion (Liquidus), °C | 840 | |
| 640 |
| Melting Onset (Solidus), °C | 820 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 910 |
| Thermal Conductivity, W/m-K | 66 | |
| 130 |
| Thermal Expansion, µm/m-K | 20 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 87 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 9.5 |
| Density, g/cm3 | 7.9 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 8.9 |
| Embodied Energy, MJ/kg | 47 | |
| 150 |
| Embodied Water, L/kg | 320 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 | |
| 4.0 to 4.3 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 | |
| 670 to 870 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 51 |
| Strength to Weight: Axial, points | 19 | |
| 39 to 41 |
| Strength to Weight: Bending, points | 19 | |
| 43 to 45 |
| Thermal Diffusivity, mm2/s | 21 | |
| 54 |
| Thermal Shock Resistance, points | 18 | |
| 17 to 18 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.5 | |
| 93.5 to 96 |
| Boron (B), % | 0.0010 to 0.030 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0 to 0.15 |
| Copper (Cu), % | 59 to 64 | |
| 0 to 0.15 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 4.0 to 5.0 |
| Manganese (Mn), % | 0.2 to 1.5 | |
| 0 to 0.15 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0.030 to 0.3 | |
| 0 |
| Silicon (Si), % | 1.5 to 2.5 | |
| 0 to 0.2 |
| Tin (Sn), % | 0 to 0.5 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 28.6 to 39.3 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |