7075 Aluminum vs. Grade 5 Titanium
7075 aluminum belongs to the aluminum alloys classification, while grade 5 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 7075 aluminum and the bottom bar is grade 5 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 1.8 to 12 | |
| 8.6 to 11 |
| Fatigue Strength, MPa | 110 to 190 | |
| 530 to 630 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 40 |
| Shear Strength, MPa | 150 to 340 | |
| 600 to 710 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 590 | |
| 1000 to 1190 |
| Tensile Strength: Yield (Proof), MPa | 120 to 510 | |
| 910 to 1110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 330 |
| Melting Completion (Liquidus), °C | 640 | |
| 1610 |
| Melting Onset (Solidus), °C | 480 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 560 |
| Thermal Conductivity, W/m-K | 130 | |
| 6.8 |
| Thermal Expansion, µm/m-K | 23 | |
| 8.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 36 |
| Density, g/cm3 | 3.0 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 38 |
| Embodied Energy, MJ/kg | 150 | |
| 610 |
| Embodied Water, L/kg | 1120 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.8 to 44 | |
| 100 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 1870 | |
| 3980 to 5880 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 35 |
| Strength to Weight: Axial, points | 22 to 54 | |
| 62 to 75 |
| Strength to Weight: Bending, points | 28 to 52 | |
| 50 to 56 |
| Thermal Diffusivity, mm2/s | 50 | |
| 2.7 |
| Thermal Shock Resistance, points | 10 to 25 | |
| 76 to 91 |
Alloy Composition
| Aluminum (Al), % | 86.9 to 91.4 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0.18 to 0.28 | |
| 0 |
| Copper (Cu), % | 1.2 to 2.0 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 2.1 to 2.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 |
| Titanium (Ti), % | 0 to 0.2 | |
| 87.4 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Yttrium (Y), % | 0 | |
| 0 to 0.0050 |
| Zinc (Zn), % | 5.1 to 6.1 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |