C48500 Brass vs. 7204 Aluminum
C48500 brass belongs to the copper alloys classification, while 7204 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C48500 brass and the bottom bar is 7204 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 70 |
| Elongation at Break, % | 13 to 40 | |
| 11 to 13 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Shear Modulus, GPa | 39 | |
| 26 |
| Shear Strength, MPa | 250 to 300 | |
| 130 to 220 |
| Tensile Strength: Ultimate (UTS), MPa | 400 to 500 | |
| 220 to 380 |
| Tensile Strength: Yield (Proof), MPa | 160 to 320 | |
| 120 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 210 |
| Melting Completion (Liquidus), °C | 900 | |
| 640 |
| Melting Onset (Solidus), °C | 890 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 880 |
| Thermal Conductivity, W/m-K | 120 | |
| 150 |
| Thermal Expansion, µm/m-K | 21 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 39 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 9.5 |
| Density, g/cm3 | 8.1 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 8.4 |
| Embodied Energy, MJ/kg | 46 | |
| 150 |
| Embodied Water, L/kg | 330 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 56 to 140 | |
| 25 to 40 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 500 | |
| 110 to 710 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 47 |
| Strength to Weight: Axial, points | 14 to 17 | |
| 21 to 36 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 28 to 40 |
| Thermal Diffusivity, mm2/s | 38 | |
| 58 |
| Thermal Shock Resistance, points | 13 to 17 | |
| 9.4 to 16 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 90.5 to 94.8 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 59 to 62 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.35 |
| Lead (Pb), % | 1.3 to 2.2 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 1.0 to 2.0 |
| Manganese (Mn), % | 0 | |
| 0.2 to 0.7 |
| Silicon (Si), % | 0 | |
| 0 to 0.3 |
| Tin (Sn), % | 0.5 to 1.0 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Vanadium (V), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 34.3 to 39.2 | |
| 4.0 to 5.0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |