355.0 Aluminum vs. Grade 5 Titanium
355.0 aluminum belongs to the aluminum alloys classification, while grade 5 titanium belongs to the titanium alloys. There are 30 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 355.0 aluminum and the bottom bar is grade 5 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 110 |
| Elongation at Break, % | 1.5 to 2.6 | |
| 8.6 to 11 |
| Fatigue Strength, MPa | 55 to 70 | |
| 530 to 630 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 40 |
| Shear Strength, MPa | 150 to 240 | |
| 600 to 710 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 260 | |
| 1000 to 1190 |
| Tensile Strength: Yield (Proof), MPa | 150 to 190 | |
| 910 to 1110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 470 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 330 |
| Melting Completion (Liquidus), °C | 620 | |
| 1610 |
| Melting Onset (Solidus), °C | 560 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 560 |
| Thermal Conductivity, W/m-K | 150 to 170 | |
| 6.8 |
| Thermal Expansion, µm/m-K | 22 | |
| 8.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 38 to 43 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 to 140 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 36 |
| Density, g/cm3 | 2.7 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 38 |
| Embodied Energy, MJ/kg | 150 | |
| 610 |
| Embodied Water, L/kg | 1120 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.7 to 5.9 | |
| 100 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 250 | |
| 3980 to 5880 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 51 | |
| 35 |
| Strength to Weight: Axial, points | 20 to 27 | |
| 62 to 75 |
| Strength to Weight: Bending, points | 28 to 33 | |
| 50 to 56 |
| Thermal Diffusivity, mm2/s | 60 to 69 | |
| 2.7 |
| Thermal Shock Resistance, points | 9.1 to 12 | |
| 76 to 91 |
Alloy Composition
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| Aluminum (Al), % | 90.3 to 94.1 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.25 | |
| 0 |
| Copper (Cu), % | 1.0 to 1.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 0.4 to 0.6 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Silicon (Si), % | 4.5 to 5.5 | |
| 0 |
| Titanium (Ti), % | 0 to 0.25 | |
| 87.4 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Yttrium (Y), % | 0 | |
| 0 to 0.0050 |
| Zinc (Zn), % | 0 to 0.35 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |