204.0 Aluminum vs. Grade 17 Titanium
204.0 aluminum belongs to the aluminum alloys classification, while grade 17 titanium belongs to the titanium alloys. There are 28 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 204.0 aluminum and the bottom bar is grade 17 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 110 |
| Elongation at Break, % | 5.7 to 7.8 | |
| 27 |
| Fatigue Strength, MPa | 63 to 77 | |
| 160 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 230 to 340 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 180 to 220 | |
| 210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 320 |
| Melting Completion (Liquidus), °C | 650 | |
| 1660 |
| Melting Onset (Solidus), °C | 580 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 540 |
| Thermal Conductivity, W/m-K | 120 | |
| 23 |
| Thermal Expansion, µm/m-K | 19 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 29 to 34 | |
| 3.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 87 to 100 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 3.0 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 36 |
| Embodied Energy, MJ/kg | 150 | |
| 600 |
| Embodied Water, L/kg | 1150 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 23 | |
| 68 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 350 | |
| 220 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 35 |
| Strength to Weight: Axial, points | 21 to 31 | |
| 17 |
| Strength to Weight: Bending, points | 28 to 36 | |
| 21 |
| Thermal Diffusivity, mm2/s | 46 | |
| 9.3 |
| Thermal Shock Resistance, points | 12 to 18 | |
| 21 |
Alloy Composition
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| Aluminum (Al), % | 93.4 to 95.5 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Copper (Cu), % | 4.2 to 5.0 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 0.15 to 0.35 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.18 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 |
| Tin (Sn), % | 0 to 0.050 | |
| 0 |
| Titanium (Ti), % | 0.15 to 0.3 | |
| 99.015 to 99.96 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |