Grade 2 Titanium vs. 356.0 Aluminum
Grade 2 titanium belongs to the titanium alloys classification, while 356.0 aluminum belongs to the aluminum alloys. There are 31 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 grade 2 titanium and the bottom bar is 356.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 | |
| 55 to 75 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 70 |
| Elongation at Break, % | 23 | |
| 2.0 to 3.8 |
| Fatigue Strength, MPa | 250 | |
| 55 to 75 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 38 | |
| 27 |
| Shear Strength, MPa | 270 | |
| 140 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 420 | |
| 160 to 240 |
| Tensile Strength: Yield (Proof), MPa | 360 | |
| 100 to 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 500 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 170 |
| Melting Completion (Liquidus), °C | 1660 | |
| 620 |
| Melting Onset (Solidus), °C | 1610 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 900 |
| Thermal Conductivity, W/m-K | 22 | |
| 150 to 170 |
| Thermal Expansion, µm/m-K | 9.0 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
| 40 to 43 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.2 | |
| 140 to 150 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 9.5 |
| Density, g/cm3 | 4.5 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 8.0 |
| Embodied Energy, MJ/kg | 510 | |
| 150 |
| Embodied Water, L/kg | 110 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 92 | |
| 3.2 to 8.2 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 600 | |
| 70 to 250 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 35 | |
| 53 |
| Strength to Weight: Axial, points | 26 | |
| 17 to 26 |
| Strength to Weight: Bending, points | 28 | |
| 25 to 33 |
| Thermal Diffusivity, mm2/s | 8.9 | |
| 64 to 71 |
| Thermal Shock Resistance, points | 32 | |
| 7.6 to 11 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 90.1 to 93.3 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.6 |
| Magnesium (Mg), % | 0 | |
| 0.2 to 0.45 |
| Manganese (Mn), % | 0 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Silicon (Si), % | 0 | |
| 6.5 to 7.5 |
| Titanium (Ti), % | 98.9 to 100 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 | |
| 0 to 0.35 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |