C46400 Brass vs. 308.0 Aluminum
C46400 brass belongs to the copper alloys classification, while 308.0 aluminum belongs to the aluminum alloys. There are 30 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 C46400 brass and the bottom bar is 308.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 73 |
| Elongation at Break, % | 17 to 40 | |
| 2.0 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 27 |
| Shear Strength, MPa | 270 to 310 | |
| 150 |
| Tensile Strength: Ultimate (UTS), MPa | 400 to 500 | |
| 190 |
| Tensile Strength: Yield (Proof), MPa | 160 to 320 | |
| 110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 470 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 170 |
| Melting Completion (Liquidus), °C | 900 | |
| 620 |
| Melting Onset (Solidus), °C | 890 | |
| 540 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 870 |
| Thermal Conductivity, W/m-K | 120 | |
| 140 |
| Thermal Expansion, µm/m-K | 21 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 10 |
| Calomel Potential, mV | -400 | |
| -660 |
| Density, g/cm3 | 8.0 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 7.7 |
| Embodied Energy, MJ/kg | 47 | |
| 140 |
| Embodied Water, L/kg | 330 | |
| 1080 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 76 to 140 | |
| 3.3 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 500 | |
| 83 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 47 |
| Strength to Weight: Axial, points | 14 to 17 | |
| 18 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 25 |
| Thermal Diffusivity, mm2/s | 38 | |
| 55 |
| Thermal Shock Resistance, points | 13 to 16 | |
| 9.2 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 85.7 to 91 |
| Copper (Cu), % | 59 to 62 | |
| 4.0 to 5.0 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 1.0 |
| Lead (Pb), % | 0 to 0.2 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Silicon (Si), % | 0 | |
| 5.0 to 6.0 |
| Tin (Sn), % | 0.5 to 1.0 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 36.3 to 40.5 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |