Grade 35 Titanium vs. 7175 Aluminum
Grade 35 titanium belongs to the titanium alloys classification, while 7175 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is grade 35 titanium and the bottom bar is 7175 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 70 |
| Elongation at Break, % | 5.6 | |
| 3.8 to 5.9 |
| Fatigue Strength, MPa | 330 | |
| 150 to 180 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 41 | |
| 26 |
| Shear Strength, MPa | 580 | |
| 290 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 | |
| 520 to 570 |
| Tensile Strength: Yield (Proof), MPa | 630 | |
| 430 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 180 |
| Melting Completion (Liquidus), °C | 1630 | |
| 640 |
| Melting Onset (Solidus), °C | 1580 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 870 |
| Thermal Conductivity, W/m-K | 7.4 | |
| 140 |
| Thermal Expansion, µm/m-K | 9.3 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.1 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.2 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 10 |
| Density, g/cm3 | 4.6 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 33 | |
| 8.2 |
| Embodied Energy, MJ/kg | 530 | |
| 150 |
| Embodied Water, L/kg | 170 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 | |
| 18 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1830 | |
| 1310 to 1730 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 46 |
| Strength to Weight: Axial, points | 61 | |
| 48 to 52 |
| Strength to Weight: Bending, points | 49 | |
| 48 to 51 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 53 |
| Thermal Shock Resistance, points | 70 | |
| 23 to 25 |
Alloy Composition
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| Aluminum (Al), % | 4.0 to 5.0 | |
| 88 to 91.4 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.18 to 0.28 |
| Copper (Cu), % | 0 | |
| 1.2 to 2.0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.2 to 0.8 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 0 | |
| 2.1 to 2.9 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 1.5 to 2.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Silicon (Si), % | 0.2 to 0.4 | |
| 0 to 0.15 |
| Titanium (Ti), % | 88.4 to 93 | |
| 0 to 0.1 |
| Vanadium (V), % | 1.1 to 2.1 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 5.1 to 6.1 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |