7005 Aluminum vs. Grade 23 Titanium
7005 aluminum belongs to the aluminum alloys classification, while grade 23 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is 7005 aluminum and the bottom bar is grade 23 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 10 to 20 | |
| 6.7 to 11 |
| Fatigue Strength, MPa | 100 to 190 | |
| 470 to 500 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 40 |
| Shear Strength, MPa | 120 to 230 | |
| 540 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 400 | |
| 930 to 940 |
| Tensile Strength: Yield (Proof), MPa | 95 to 350 | |
| 850 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 340 |
| Melting Completion (Liquidus), °C | 640 | |
| 1610 |
| Melting Onset (Solidus), °C | 610 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 560 |
| Thermal Conductivity, W/m-K | 140 to 170 | |
| 7.1 |
| Thermal Expansion, µm/m-K | 23 | |
| 9.4 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 to 43 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 to 130 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 36 |
| Density, g/cm3 | 2.9 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 38 |
| Embodied Energy, MJ/kg | 150 | |
| 610 |
| Embodied Water, L/kg | 1150 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 32 to 57 | |
| 61 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 65 to 850 | |
| 3430 to 3560 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 47 | |
| 35 |
| Strength to Weight: Axial, points | 19 to 38 | |
| 58 to 59 |
| Strength to Weight: Bending, points | 26 to 41 | |
| 48 |
| Thermal Diffusivity, mm2/s | 54 to 65 | |
| 2.9 |
| Thermal Shock Resistance, points | 8.7 to 18 | |
| 67 to 68 |
Alloy Composition
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| Aluminum (Al), % | 91 to 94.7 | |
| 5.5 to 6.5 |
| 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 0.013 |
| 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 0.13 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 |
| Titanium (Ti), % | 0.010 to 0.060 | |
| 88.1 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| 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 |