Grade 32 Titanium vs. 7475 Aluminum
Grade 32 titanium belongs to the titanium alloys classification, while 7475 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 32 titanium and the bottom bar is 7475 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 70 |
| Elongation at Break, % | 11 | |
| 10 to 12 |
| Fatigue Strength, MPa | 390 | |
| 190 to 210 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 26 |
| Shear Strength, MPa | 460 | |
| 320 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 770 | |
| 530 to 590 |
| Tensile Strength: Yield (Proof), MPa | 670 | |
| 440 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 180 |
| Melting Completion (Liquidus), °C | 1610 | |
| 640 |
| Melting Onset (Solidus), °C | 1560 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 870 |
| Thermal Conductivity, W/m-K | 7.5 | |
| 140 to 160 |
| Thermal Expansion, µm/m-K | 8.2 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 33 to 42 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 98 to 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 38 | |
| 10 |
| Density, g/cm3 | 4.5 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 32 | |
| 8.2 |
| Embodied Energy, MJ/kg | 530 | |
| 150 |
| Embodied Water, L/kg | 180 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 | |
| 53 to 68 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2100 | |
| 1390 to 1920 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 46 |
| Strength to Weight: Axial, points | 47 | |
| 49 to 55 |
| Strength to Weight: Bending, points | 41 | |
| 48 to 52 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 53 to 63 |
| Thermal Shock Resistance, points | 63 | |
| 23 to 26 |
Alloy Composition
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| Aluminum (Al), % | 4.5 to 5.5 | |
| 88.6 to 91.6 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.18 to 0.25 |
| Copper (Cu), % | 0 | |
| 1.2 to 1.9 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.12 |
| Magnesium (Mg), % | 0 | |
| 1.9 to 2.6 |
| Manganese (Mn), % | 0 | |
| 0 to 0.060 |
| Molybdenum (Mo), % | 0.6 to 1.2 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.11 | |
| 0 |
| Silicon (Si), % | 0.060 to 0.14 | |
| 0 to 0.1 |
| Tin (Sn), % | 0.6 to 1.4 | |
| 0 |
| Titanium (Ti), % | 88.1 to 93 | |
| 0 to 0.060 |
| Vanadium (V), % | 0.6 to 1.4 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 5.1 to 6.2 |
| Zirconium (Zr), % | 0.6 to 1.4 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |