Grade 36 Titanium vs. 2011 Aluminum
Grade 36 titanium belongs to the titanium alloys classification, while 2011 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is grade 36 titanium and the bottom bar is 2011 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 71 |
| Elongation at Break, % | 11 | |
| 8.5 to 18 |
| Fatigue Strength, MPa | 300 | |
| 74 to 120 |
| Poisson's Ratio | 0.36 | |
| 0.33 |
| Shear Modulus, GPa | 39 | |
| 27 |
| Shear Strength, MPa | 320 | |
| 190 to 250 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 310 to 420 |
| Tensile Strength: Yield (Proof), MPa | 520 | |
| 140 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 190 |
| Melting Completion (Liquidus), °C | 2020 | |
| 640 |
| Melting Onset (Solidus), °C | 1950 | |
| 540 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 870 |
| Thermal Expansion, µm/m-K | 8.1 | |
| 23 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.3 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 58 | |
| 7.9 |
| Embodied Energy, MJ/kg | 920 | |
| 150 |
| Embodied Water, L/kg | 130 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 59 | |
| 29 to 52 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1260 | |
| 140 to 680 |
| Stiffness to Weight: Axial, points | 9.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 44 |
| Strength to Weight: Axial, points | 23 | |
| 27 to 37 |
| Strength to Weight: Bending, points | 23 | |
| 32 to 40 |
| Thermal Shock Resistance, points | 45 | |
| 14 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 91.3 to 94.6 |
| Bismuth (Bi), % | 0 | |
| 0.2 to 0.6 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Copper (Cu), % | 0 | |
| 5.0 to 6.0 |
| Hydrogen (H), % | 0 to 0.0035 | |
| 0 |
| Iron (Fe), % | 0 to 0.030 | |
| 0 to 0.7 |
| Lead (Pb), % | 0 | |
| 0.2 to 0.6 |
| Niobium (Nb), % | 42 to 47 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.16 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.4 |
| Titanium (Ti), % | 52.3 to 58 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |