712.0 Aluminum vs. Titanium 6-7
712.0 aluminum belongs to the aluminum alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is 712.0 aluminum and the bottom bar is titanium 6-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 120 |
| Elongation at Break, % | 4.5 to 4.7 | |
| 11 |
| Fatigue Strength, MPa | 140 to 180 | |
| 530 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 45 |
| Shear Strength, MPa | 180 | |
| 610 |
| Tensile Strength: Ultimate (UTS), MPa | 250 to 260 | |
| 1020 |
| Tensile Strength: Yield (Proof), MPa | 180 to 200 | |
| 900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 300 |
| Melting Completion (Liquidus), °C | 640 | |
| 1700 |
| Melting Onset (Solidus), °C | 610 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 520 |
| Thermal Expansion, µm/m-K | 24 | |
| 9.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 75 |
| Density, g/cm3 | 3.0 | |
| 5.1 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 34 |
| Embodied Energy, MJ/kg | 150 | |
| 540 |
| Embodied Water, L/kg | 1140 | |
| 190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 270 | |
| 3460 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 32 |
| Strength to Weight: Axial, points | 24 to 25 | |
| 56 |
| Strength to Weight: Bending, points | 30 to 31 | |
| 44 |
| Thermal Shock Resistance, points | 11 | |
| 66 |
Alloy Composition
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| Aluminum (Al), % | 90.7 to 94 | |
| 5.5 to 6.5 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0.4 to 0.6 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0090 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.25 |
| Magnesium (Mg), % | 0.5 to 0.65 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 6.5 to 7.5 |
| Niobium (Nb), % | 0 | |
| 6.5 to 7.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.5 |
| Titanium (Ti), % | 0.15 to 0.25 | |
| 84.9 to 88 |
| Zinc (Zn), % | 5.0 to 6.5 | |
| 0 |
| Residuals, % | 0 to 0.2 | |
| 0 |