8090 Aluminum vs. Titanium 4-4-2
8090 aluminum belongs to the aluminum alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is 8090 aluminum and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 67 | |
| 110 |
| Elongation at Break, % | 3.5 to 13 | |
| 10 |
| Fatigue Strength, MPa | 91 to 140 | |
| 590 to 620 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 25 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 490 | |
| 1150 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 210 to 420 | |
| 1030 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 310 |
| Melting Completion (Liquidus), °C | 660 | |
| 1610 |
| Melting Onset (Solidus), °C | 600 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 960 | |
| 540 |
| Thermal Conductivity, W/m-K | 95 to 160 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 24 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 18 | |
| 39 |
| Density, g/cm3 | 2.7 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 8.6 | |
| 30 |
| Embodied Energy, MJ/kg | 170 | |
| 480 |
| Embodied Water, L/kg | 1160 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 41 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 340 to 1330 | |
| 4700 to 5160 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 34 |
| Strength to Weight: Axial, points | 34 to 49 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 39 to 50 | |
| 52 to 55 |
| Thermal Diffusivity, mm2/s | 36 to 60 | |
| 2.6 |
| Thermal Shock Resistance, points | 15 to 22 | |
| 86 to 93 |
Alloy Composition
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| Aluminum (Al), % | 93 to 98.4 | |
| 3.0 to 5.0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 1.0 to 1.6 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.2 |
| Lithium (Li), % | 2.2 to 2.7 | |
| 0 |
| Magnesium (Mg), % | 0.6 to 1.3 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 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 0.2 | |
| 0.3 to 0.7 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 to 0.1 | |
| 85.8 to 92.2 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 |
| Zirconium (Zr), % | 0.040 to 0.16 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |