7475 Aluminum vs. Titanium 4-4-2
7475 aluminum belongs to the aluminum alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 28 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 7475 aluminum and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 10 to 12 | |
| 10 |
| Fatigue Strength, MPa | 190 to 210 | |
| 590 to 620 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 42 |
| Shear Strength, MPa | 320 to 350 | |
| 690 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 530 to 590 | |
| 1150 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 440 to 520 | |
| 1030 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 310 |
| Melting Completion (Liquidus), °C | 640 | |
| 1610 |
| Melting Onset (Solidus), °C | 480 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 540 |
| Thermal Conductivity, W/m-K | 140 to 160 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 23 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 39 |
| Density, g/cm3 | 3.0 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 30 |
| Embodied Energy, MJ/kg | 150 | |
| 480 |
| Embodied Water, L/kg | 1130 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 53 to 68 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1390 to 1920 | |
| 4700 to 5160 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 34 |
| Strength to Weight: Axial, points | 49 to 55 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 48 to 52 | |
| 52 to 55 |
| Thermal Diffusivity, mm2/s | 53 to 63 | |
| 2.6 |
| Thermal Shock Resistance, points | 23 to 26 | |
| 86 to 93 |
Alloy Composition
| Aluminum (Al), % | 88.6 to 91.6 | |
| 3.0 to 5.0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0.18 to 0.25 | |
| 0 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.12 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 0 |
| Manganese (Mn), % | 0 to 0.060 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 5.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 to 0.1 | |
| 0.3 to 0.7 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 to 0.060 | |
| 85.8 to 92.2 |
| Zinc (Zn), % | 5.1 to 6.2 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |