Grade 17 Titanium vs. 5182 Aluminum
Grade 17 titanium belongs to the titanium alloys classification, while 5182 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is grade 17 titanium and the bottom bar is 5182 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 68 |
| Elongation at Break, % | 27 | |
| 1.1 to 12 |
| Fatigue Strength, MPa | 160 | |
| 100 to 130 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 38 | |
| 25 |
| Shear Strength, MPa | 180 | |
| 170 to 240 |
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 280 to 420 |
| Tensile Strength: Yield (Proof), MPa | 210 | |
| 130 to 360 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 180 |
| Melting Completion (Liquidus), °C | 1660 | |
| 640 |
| Melting Onset (Solidus), °C | 1610 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 900 |
| Thermal Conductivity, W/m-K | 23 | |
| 130 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.7 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 94 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 36 | |
| 8.9 |
| Embodied Energy, MJ/kg | 600 | |
| 150 |
| Embodied Water, L/kg | 230 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 68 | |
| 2.6 to 49 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 | |
| 120 to 950 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 51 |
| Strength to Weight: Axial, points | 17 | |
| 29 to 44 |
| Strength to Weight: Bending, points | 21 | |
| 36 to 47 |
| Thermal Diffusivity, mm2/s | 9.3 | |
| 53 |
| Thermal Shock Resistance, points | 21 | |
| 12 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 93.2 to 95.8 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 | |
| 0 to 0.15 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 0 | |
| 4.0 to 5.0 |
| Manganese (Mn), % | 0 | |
| 0.2 to 0.5 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.18 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.2 |
| Titanium (Ti), % | 99.015 to 99.96 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |