7129 Aluminum vs. EN AC-71100 Aluminum
Both 7129 Aluminum and EN AC-71100 aluminum are aluminum alloys. They have 86% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is 7129 Aluminum and the bottom bar is EN AC-71100 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 72 |
| Elongation at Break, % | 9.0 to 9.1 | |
| 1.1 |
| Fatigue Strength, MPa | 150 to 190 | |
| 150 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 260 |
| Tensile Strength: Yield (Proof), MPa | 380 to 390 | |
| 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 490 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 630 | |
| 580 |
| Melting Onset (Solidus), °C | 510 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 860 |
| Thermal Expansion, µm/m-K | 24 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 97 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.9 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 7.4 |
| Embodied Energy, MJ/kg | 150 | |
| 140 |
| Embodied Water, L/kg | 1150 | |
| 1010 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 37 to 38 | |
| 2.8 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1050 to 1090 | |
| 360 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 47 | |
| 47 |
| Strength to Weight: Axial, points | 41 | |
| 25 |
| Strength to Weight: Bending, points | 43 to 44 | |
| 31 |
| Thermal Shock Resistance, points | 19 | |
| 12 |
Alloy Composition
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| Aluminum (Al), % | 91 to 94 | |
| 78.7 to 83.3 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0.5 to 0.9 | |
| 0 to 0.1 |
| Gallium (Ga), % | 0 to 0.030 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 1.3 to 2.0 | |
| 0.2 to 0.5 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.15 |
| Silicon (Si), % | 0 to 0.15 | |
| 7.5 to 9.5 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 to 0.15 |
| Vanadium (V), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 4.2 to 5.2 | |
| 9.0 to 10.5 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |