EN AC-45000 Aluminum vs. C68000 Brass
EN AC-45000 aluminum belongs to the aluminum alloys classification, while C68000 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 EN AC-45000 aluminum and the bottom bar is C68000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 73 | |
| 100 |
| Elongation at Break, % | 1.1 | |
| 27 |
| Poisson's Ratio | 0.33 | |
| 0.3 |
| Shear Modulus, GPa | 27 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 180 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 470 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 120 |
| Melting Completion (Liquidus), °C | 640 | |
| 880 |
| Melting Onset (Solidus), °C | 520 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 96 |
| Thermal Expansion, µm/m-K | 22 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 23 |
| Density, g/cm3 | 3.0 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 7.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 140 | |
| 48 |
| Embodied Water, L/kg | 1070 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 1.7 | |
| 82 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 80 | |
| 95 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 47 | |
| 20 |
| Strength to Weight: Axial, points | 17 | |
| 14 |
| Strength to Weight: Bending, points | 24 | |
| 15 |
| Thermal Diffusivity, mm2/s | 47 | |
| 31 |
| Thermal Shock Resistance, points | 8.0 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 82.2 to 91.8 | |
| 0 to 0.010 |
| Chromium (Cr), % | 0 to 0.15 | |
| 0 |
| Copper (Cu), % | 3.0 to 5.0 | |
| 56 to 60 |
| Iron (Fe), % | 0 to 1.0 | |
| 0.25 to 1.3 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0 to 0.55 | |
| 0 |
| Manganese (Mn), % | 0.2 to 0.65 | |
| 0.010 to 0.5 |
| Nickel (Ni), % | 0 to 0.45 | |
| 0.2 to 0.8 |
| Silicon (Si), % | 5.0 to 7.0 | |
| 0.040 to 0.15 |
| Tin (Sn), % | 0 to 0.15 | |
| 0.75 to 1.1 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 |
| Zinc (Zn), % | 0 to 2.0 | |
| 35.6 to 42.8 |
| Residuals, % | 0 to 0.35 | |
| 0 to 0.5 |