C28000 Muntz Metal vs. 7475 Aluminum
C28000 Muntz Metal belongs to the copper alloys classification, while 7475 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 C28000 Muntz Metal and the bottom bar is 7475 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 70 |
| Elongation at Break, % | 10 to 45 | |
| 10 to 12 |
| Poisson's Ratio | 0.31 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 26 |
| Shear Strength, MPa | 230 to 330 | |
| 320 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 610 | |
| 530 to 590 |
| Tensile Strength: Yield (Proof), MPa | 150 to 370 | |
| 440 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 180 |
| Melting Completion (Liquidus), °C | 900 | |
| 640 |
| Melting Onset (Solidus), °C | 900 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 870 |
| Thermal Conductivity, W/m-K | 120 | |
| 140 to 160 |
| Thermal Expansion, µm/m-K | 21 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 33 to 42 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 98 to 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 10 |
| Density, g/cm3 | 8.0 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 8.2 |
| Embodied Energy, MJ/kg | 46 | |
| 150 |
| Embodied Water, L/kg | 320 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 27 to 240 | |
| 53 to 68 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 670 | |
| 1390 to 1920 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 46 |
| Strength to Weight: Axial, points | 11 to 21 | |
| 49 to 55 |
| Strength to Weight: Bending, points | 13 to 20 | |
| 48 to 52 |
| Thermal Diffusivity, mm2/s | 40 | |
| 53 to 63 |
| Thermal Shock Resistance, points | 11 to 20 | |
| 23 to 26 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 88.6 to 91.6 |
| Chromium (Cr), % | 0 | |
| 0.18 to 0.25 |
| Copper (Cu), % | 59 to 63 | |
| 1.2 to 1.9 |
| Iron (Fe), % | 0 to 0.070 | |
| 0 to 0.12 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 1.9 to 2.6 |
| Manganese (Mn), % | 0 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.060 |
| Zinc (Zn), % | 36.3 to 41 | |
| 5.1 to 6.2 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |