7005 Aluminum vs. Grade 9 Titanium
7005 aluminum belongs to the aluminum alloys classification, while grade 9 titanium belongs to the titanium alloys. There are 30 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 7005 aluminum and the bottom bar is grade 9 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 10 to 20 | |
| 11 to 17 |
| Fatigue Strength, MPa | 100 to 190 | |
| 330 to 480 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 40 |
| Shear Strength, MPa | 120 to 230 | |
| 430 to 580 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 400 | |
| 700 to 960 |
| Tensile Strength: Yield (Proof), MPa | 95 to 350 | |
| 540 to 830 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 330 |
| Melting Completion (Liquidus), °C | 640 | |
| 1640 |
| Melting Onset (Solidus), °C | 610 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 550 |
| Thermal Conductivity, W/m-K | 140 to 170 | |
| 8.1 |
| Thermal Expansion, µm/m-K | 23 | |
| 9.1 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 to 43 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 to 130 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 37 |
| Density, g/cm3 | 2.9 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 36 |
| Embodied Energy, MJ/kg | 150 | |
| 580 |
| Embodied Water, L/kg | 1150 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 32 to 57 | |
| 89 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 65 to 850 | |
| 1380 to 3220 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 47 | |
| 35 |
| Strength to Weight: Axial, points | 19 to 38 | |
| 43 to 60 |
| Strength to Weight: Bending, points | 26 to 41 | |
| 39 to 48 |
| Thermal Diffusivity, mm2/s | 54 to 65 | |
| 3.3 |
| Thermal Shock Resistance, points | 8.7 to 18 | |
| 52 to 71 |
Alloy Composition
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| Aluminum (Al), % | 91 to 94.7 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0.060 to 0.2 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.25 |
| Magnesium (Mg), % | 1.0 to 1.8 | |
| 0 |
| Manganese (Mn), % | 0.2 to 0.7 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 |
| Titanium (Ti), % | 0.010 to 0.060 | |
| 92.6 to 95.5 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Zinc (Zn), % | 4.0 to 5.0 | |
| 0 |
| Zirconium (Zr), % | 0.080 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |