7204 Aluminum vs. Grade 17 Titanium
7204 aluminum belongs to the aluminum alloys classification, while grade 17 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 7204 aluminum and the bottom bar is grade 17 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 11 to 13 | |
| 27 |
| Fatigue Strength, MPa | 110 to 130 | |
| 160 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 38 |
| Shear Strength, MPa | 130 to 220 | |
| 180 |
| Tensile Strength: Ultimate (UTS), MPa | 220 to 380 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 120 to 310 | |
| 210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 320 |
| Melting Completion (Liquidus), °C | 640 | |
| 1660 |
| Melting Onset (Solidus), °C | 520 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 540 |
| Thermal Conductivity, W/m-K | 150 | |
| 23 |
| Thermal Expansion, µm/m-K | 24 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 39 | |
| 3.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.9 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 8.4 | |
| 36 |
| Embodied Energy, MJ/kg | 150 | |
| 600 |
| Embodied Water, L/kg | 1140 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 25 to 40 | |
| 68 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 710 | |
| 220 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 47 | |
| 35 |
| Strength to Weight: Axial, points | 21 to 36 | |
| 17 |
| Strength to Weight: Bending, points | 28 to 40 | |
| 21 |
| Thermal Diffusivity, mm2/s | 58 | |
| 9.3 |
| Thermal Shock Resistance, points | 9.4 to 16 | |
| 21 |
Alloy Composition
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| Aluminum (Al), % | 90.5 to 94.8 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 1.0 to 2.0 | |
| 0 |
| Manganese (Mn), % | 0.2 to 0.7 | |
| 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 0.3 | |
| 0 |
| Titanium (Ti), % | 0 to 0.2 | |
| 99.015 to 99.96 |
| Vanadium (V), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 4.0 to 5.0 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |