Grade 12 Titanium vs. 201.0 Aluminum
Grade 12 titanium belongs to the titanium alloys classification, while 201.0 aluminum belongs to the aluminum alloys. There are 30 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 grade 12 titanium and the bottom bar is 201.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 | |
| 95 to 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 71 |
| Elongation at Break, % | 21 | |
| 4.4 to 20 |
| Fatigue Strength, MPa | 280 | |
| 120 to 150 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 39 | |
| 27 |
| Shear Strength, MPa | 330 | |
| 290 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 370 to 470 |
| Tensile Strength: Yield (Proof), MPa | 410 | |
| 220 to 400 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 170 |
| Melting Completion (Liquidus), °C | 1660 | |
| 650 |
| Melting Onset (Solidus), °C | 1610 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 870 |
| Thermal Conductivity, W/m-K | 21 | |
| 120 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 30 to 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.6 | |
| 87 to 97 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 38 |
| Density, g/cm3 | 4.5 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 8.7 |
| Embodied Energy, MJ/kg | 500 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 19 to 63 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 | |
| 330 to 1160 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 45 |
| Strength to Weight: Axial, points | 32 | |
| 33 to 42 |
| Strength to Weight: Bending, points | 32 | |
| 37 to 44 |
| Thermal Diffusivity, mm2/s | 8.5 | |
| 45 |
| Thermal Shock Resistance, points | 37 | |
| 19 to 25 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 92.1 to 95.1 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Copper (Cu), % | 0 | |
| 4.0 to 5.2 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 0 | |
| 0.15 to 0.55 |
| Manganese (Mn), % | 0 | |
| 0.2 to 0.5 |
| Molybdenum (Mo), % | 0.2 to 0.4 | |
| 0 |
| Nickel (Ni), % | 0.6 to 0.9 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Silver (Ag), % | 0 | |
| 0.4 to 1.0 |
| Titanium (Ti), % | 97.6 to 99.2 | |
| 0.15 to 0.35 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.1 |