2618 Aluminum vs. R58150 Titanium
2618 aluminum belongs to the aluminum alloys classification, while R58150 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is 2618 aluminum and the bottom bar is R58150 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 140 |
| Elongation at Break, % | 5.8 | |
| 13 |
| Fatigue Strength, MPa | 110 | |
| 330 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 52 |
| Shear Strength, MPa | 260 | |
| 470 |
| Tensile Strength: Ultimate (UTS), MPa | 420 | |
| 770 |
| Tensile Strength: Yield (Proof), MPa | 350 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 320 |
| Melting Completion (Liquidus), °C | 640 | |
| 1760 |
| Melting Onset (Solidus), °C | 550 | |
| 1700 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 500 |
| Thermal Expansion, µm/m-K | 22 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 48 |
| Density, g/cm3 | 2.9 | |
| 5.4 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 31 |
| Embodied Energy, MJ/kg | 150 | |
| 480 |
| Embodied Water, L/kg | 1150 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 23 | |
| 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 850 | |
| 1110 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 47 | |
| 32 |
| Strength to Weight: Axial, points | 40 | |
| 40 |
| Strength to Weight: Bending, points | 42 | |
| 35 |
| Thermal Shock Resistance, points | 19 | |
| 48 |
Alloy Composition
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| Aluminum (Al), % | 92.4 to 94.9 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 1.9 to 2.7 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0.9 to 1.3 | |
| 0 to 0.1 |
| Magnesium (Mg), % | 1.3 to 1.8 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 14 to 16 |
| Nickel (Ni), % | 0.9 to 1.2 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Silicon (Si), % | 0.1 to 0.25 | |
| 0 |
| Titanium (Ti), % | 0.040 to 0.1 | |
| 83.5 to 86 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |