2014 Aluminum vs. 7129 Aluminum
Both 2014 aluminum and 7129 Aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.
For each property being compared, the top bar is 2014 aluminum and the bottom bar is 7129 Aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 69 |
| Elongation at Break, % | 1.5 to 16 | |
| 9.0 to 9.1 |
| Fatigue Strength, MPa | 90 to 160 | |
| 150 to 190 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 130 to 290 | |
| 250 to 260 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 500 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 100 to 440 | |
| 380 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 180 |
| Melting Completion (Liquidus), °C | 630 | |
| 630 |
| Melting Onset (Solidus), °C | 510 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 880 |
| Thermal Conductivity, W/m-K | 150 | |
| 150 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.5 |
| Density, g/cm3 | 3.0 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1130 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.6 to 56 | |
| 37 to 38 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 76 to 1330 | |
| 1050 to 1090 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 47 |
| Strength to Weight: Axial, points | 18 to 46 | |
| 41 |
| Strength to Weight: Bending, points | 25 to 46 | |
| 43 to 44 |
| Thermal Diffusivity, mm2/s | 58 | |
| 58 |
| Thermal Shock Resistance, points | 8.4 to 22 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 90.4 to 95 | |
| 91 to 94 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 to 0.1 |
| Copper (Cu), % | 3.9 to 5.0 | |
| 0.5 to 0.9 |
| Gallium (Ga), % | 0 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 0.2 to 0.8 | |
| 1.3 to 2.0 |
| Manganese (Mn), % | 0.4 to 1.2 | |
| 0 to 0.1 |
| Silicon (Si), % | 0.5 to 1.2 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 to 0.050 |
| Vanadium (V), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 to 0.25 | |
| 4.2 to 5.2 |
| Zirconium (Zr), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |