Grade 34 Titanium vs. 355.0 Aluminum
Grade 34 titanium belongs to the titanium alloys classification, while 355.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is grade 34 titanium and the bottom bar is 355.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 71 |
| Elongation at Break, % | 20 | |
| 1.5 to 2.6 |
| Fatigue Strength, MPa | 310 | |
| 55 to 70 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 41 | |
| 27 |
| Shear Strength, MPa | 320 | |
| 150 to 240 |
| Tensile Strength: Ultimate (UTS), MPa | 510 | |
| 200 to 260 |
| Tensile Strength: Yield (Proof), MPa | 450 | |
| 150 to 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 470 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 180 |
| Melting Completion (Liquidus), °C | 1660 | |
| 620 |
| Melting Onset (Solidus), °C | 1610 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 890 |
| Thermal Conductivity, W/m-K | 21 | |
| 150 to 170 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 38 to 43 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.7 | |
| 120 to 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 9.5 |
| Density, g/cm3 | 4.5 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 33 | |
| 8.0 |
| Embodied Energy, MJ/kg | 530 | |
| 150 |
| Embodied Water, L/kg | 200 | |
| 1120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 2.7 to 5.9 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 960 | |
| 150 to 250 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 51 |
| Strength to Weight: Axial, points | 31 | |
| 20 to 27 |
| Strength to Weight: Bending, points | 31 | |
| 28 to 33 |
| Thermal Diffusivity, mm2/s | 8.4 | |
| 60 to 69 |
| Thermal Shock Resistance, points | 39 | |
| 9.1 to 12 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 90.3 to 94.1 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 0.1 to 0.2 | |
| 0 to 0.25 |
| Copper (Cu), % | 0 | |
| 1.0 to 1.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.6 |
| Magnesium (Mg), % | 0 | |
| 0.4 to 0.6 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0.35 to 0.55 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.35 | |
| 0 |
| Palladium (Pd), % | 0.010 to 0.020 | |
| 0 |
| Ruthenium (Ru), % | 0.020 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 | |
| 4.5 to 5.5 |
| Titanium (Ti), % | 98 to 99.52 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 | |
| 0 to 0.35 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |