7175 Aluminum vs. Grade Ti-Pd8A Titanium
7175 aluminum belongs to the aluminum alloys classification, while grade Ti-Pd8A titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is 7175 aluminum and the bottom bar is grade Ti-Pd8A titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 3.8 to 5.9 | |
| 13 |
| Fatigue Strength, MPa | 150 to 180 | |
| 260 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 570 | |
| 500 |
| Tensile Strength: Yield (Proof), MPa | 430 to 490 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 320 |
| Melting Completion (Liquidus), °C | 640 | |
| 1660 |
| Melting Onset (Solidus), °C | 480 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 540 |
| Thermal Conductivity, W/m-K | 140 | |
| 21 |
| Thermal Expansion, µm/m-K | 23 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 3.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 6.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 3.0 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 49 |
| Embodied Energy, MJ/kg | 150 | |
| 840 |
| Embodied Water, L/kg | 1130 | |
| 520 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 29 | |
| 65 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1310 to 1730 | |
| 880 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 35 |
| Strength to Weight: Axial, points | 48 to 52 | |
| 31 |
| Strength to Weight: Bending, points | 48 to 51 | |
| 31 |
| Thermal Diffusivity, mm2/s | 53 | |
| 8.6 |
| Thermal Shock Resistance, points | 23 to 25 | |
| 39 |
Alloy Composition
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| Aluminum (Al), % | 88 to 91.4 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| 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 0.2 | |
| 0 to 0.25 |
| Magnesium (Mg), % | 2.1 to 2.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.4 |
| Palladium (Pd), % | 0 | |
| 0.12 to 0.3 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 98.8 to 99.9 |
| Zinc (Zn), % | 5.1 to 6.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |