7129 Aluminum vs. 6012 Aluminum
Both 7129 Aluminum and 6012 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 7129 Aluminum and the bottom bar is 6012 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 69 |
| Elongation at Break, % | 9.0 to 9.1 | |
| 9.1 to 11 |
| Fatigue Strength, MPa | 150 to 190 | |
| 55 to 100 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 250 to 260 | |
| 130 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 220 to 320 |
| Tensile Strength: Yield (Proof), MPa | 380 to 390 | |
| 110 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 630 | |
| 640 |
| Melting Onset (Solidus), °C | 510 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 890 |
| Thermal Conductivity, W/m-K | 150 | |
| 160 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 45 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 140 |
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 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 37 to 38 | |
| 21 to 28 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1050 to 1090 | |
| 94 to 480 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 47 | |
| 48 |
| Strength to Weight: Axial, points | 41 | |
| 22 to 32 |
| Strength to Weight: Bending, points | 43 to 44 | |
| 29 to 37 |
| Thermal Diffusivity, mm2/s | 58 | |
| 62 |
| Thermal Shock Resistance, points | 19 | |
| 10 to 14 |
Alloy Composition
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| Aluminum (Al), % | 91 to 94 | |
| 92.2 to 98 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.7 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 to 0.3 |
| 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 0.5 |
| Lead (Pb), % | 0 | |
| 0.4 to 2.0 |
| Magnesium (Mg), % | 1.3 to 2.0 | |
| 0.6 to 1.2 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.4 to 1.0 |
| Silicon (Si), % | 0 to 0.15 | |
| 0.6 to 1.4 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 to 0.2 |
| Vanadium (V), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 4.2 to 5.2 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |