771.0 Aluminum vs. Grade 1 Titanium
771.0 aluminum belongs to the aluminum alloys classification, while grade 1 titanium belongs to the titanium 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 771.0 aluminum and the bottom bar is grade 1 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 85 to 120 | |
| 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 1.7 to 6.5 | |
| 28 |
| Fatigue Strength, MPa | 92 to 180 | |
| 170 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 250 to 370 | |
| 310 |
| Tensile Strength: Yield (Proof), MPa | 210 to 350 | |
| 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 320 |
| Melting Completion (Liquidus), °C | 630 | |
| 1660 |
| Melting Onset (Solidus), °C | 620 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 540 |
| Thermal Conductivity, W/m-K | 140 to 150 | |
| 20 |
| Thermal Expansion, µm/m-K | 24 | |
| 8.8 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 3.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 82 | |
| 7.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 37 |
| Density, g/cm3 | 3.0 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 31 |
| Embodied Energy, MJ/kg | 150 | |
| 510 |
| Embodied Water, L/kg | 1130 | |
| 110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.4 to 20 | |
| 79 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 900 | |
| 230 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 35 |
| Strength to Weight: Axial, points | 23 to 35 | |
| 19 |
| Strength to Weight: Bending, points | 29 to 39 | |
| 23 |
| Thermal Diffusivity, mm2/s | 54 to 58 | |
| 8.2 |
| Thermal Shock Resistance, points | 11 to 16 | |
| 24 |
Alloy Composition
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| Aluminum (Al), % | 90.5 to 92.5 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0.060 to 0.2 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 0.8 to 1.0 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.18 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 |
| Titanium (Ti), % | 0.1 to 0.2 | |
| 99.095 to 100 |
| Zinc (Zn), % | 6.5 to 7.5 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |