7178 Aluminum vs. EN AC-43500 Aluminum
Both 7178 aluminum and EN AC-43500 aluminum are aluminum alloys. They have 89% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 7178 aluminum and the bottom bar is EN AC-43500 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 72 |
| Elongation at Break, % | 4.5 to 12 | |
| 4.5 to 13 |
| Fatigue Strength, MPa | 120 to 210 | |
| 62 to 100 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 640 | |
| 220 to 300 |
| Tensile Strength: Yield (Proof), MPa | 120 to 560 | |
| 140 to 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 550 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 630 | |
| 600 |
| Melting Onset (Solidus), °C | 480 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 900 |
| Thermal Conductivity, W/m-K | 130 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 31 | |
| 38 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 91 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 3.1 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 7.8 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1110 | |
| 1070 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 52 | |
| 12 to 26 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 2220 | |
| 130 to 200 |
| Stiffness to Weight: Axial, points | 13 | |
| 16 |
| Stiffness to Weight: Bending, points | 45 | |
| 54 |
| Strength to Weight: Axial, points | 21 to 58 | |
| 24 to 33 |
| Strength to Weight: Bending, points | 28 to 54 | |
| 32 to 39 |
| Thermal Diffusivity, mm2/s | 47 | |
| 60 |
| Thermal Shock Resistance, points | 10 to 28 | |
| 10 to 14 |
Alloy Composition
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| Aluminum (Al), % | 85.4 to 89.5 | |
| 86.4 to 90.5 |
| Chromium (Cr), % | 0.18 to 0.28 | |
| 0 |
| Copper (Cu), % | 1.6 to 2.4 | |
| 0 to 0.050 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.25 |
| Magnesium (Mg), % | 2.4 to 3.1 | |
| 0.1 to 0.6 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0.4 to 0.8 |
| Silicon (Si), % | 0 to 0.4 | |
| 9.0 to 11.5 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.2 |
| Zinc (Zn), % | 6.3 to 7.3 | |
| 0 to 0.070 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |