5056 Aluminum vs. Titanium 4-4-2
5056 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 (4, in this case) are not shown.
For each property being compared, the top bar is 5056 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, % | 4.9 to 31 | |
| 10 |
| Fatigue Strength, MPa | 140 to 200 | |
| 590 to 620 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 25 | |
| 42 |
| Shear Strength, MPa | 170 to 240 | |
| 690 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 460 | |
| 1150 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 150 to 410 | |
| 1030 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 310 |
| Melting Completion (Liquidus), °C | 640 | |
| 1610 |
| Melting Onset (Solidus), °C | 570 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 910 | |
| 540 |
| Thermal Conductivity, W/m-K | 130 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 24 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 39 |
| Density, g/cm3 | 2.7 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 9.0 | |
| 30 |
| Embodied Energy, MJ/kg | 150 | |
| 480 |
| Embodied Water, L/kg | 1180 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 140 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 1220 | |
| 4700 to 5160 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 51 | |
| 34 |
| Strength to Weight: Axial, points | 30 to 48 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 36 to 50 | |
| 52 to 55 |
| Thermal Diffusivity, mm2/s | 53 | |
| 2.6 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 86 to 93 |
Alloy Composition
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| Aluminum (Al), % | 93 to 95.4 | |
| 3.0 to 5.0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0.050 to 0.2 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 4.5 to 5.6 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.2 | |
| 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 0.3 | |
| 0.3 to 0.7 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 85.8 to 92.2 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |