Grade C-6 Titanium vs. 7020 Aluminum
Grade C-6 titanium belongs to the titanium alloys classification, while 7020 aluminum belongs to the aluminum alloys. There are 30 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 grade C-6 titanium and the bottom bar is 7020 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 290 | |
| 45 to 100 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 70 |
| Elongation at Break, % | 9.0 | |
| 8.4 to 14 |
| Fatigue Strength, MPa | 460 | |
| 110 to 130 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 39 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 890 | |
| 190 to 390 |
| Tensile Strength: Yield (Proof), MPa | 830 | |
| 120 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 210 |
| Melting Completion (Liquidus), °C | 1580 | |
| 650 |
| Melting Onset (Solidus), °C | 1530 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 880 |
| Thermal Conductivity, W/m-K | 7.8 | |
| 150 |
| Thermal Expansion, µm/m-K | 9.8 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 39 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 9.5 |
| Density, g/cm3 | 4.5 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 8.3 |
| Embodied Energy, MJ/kg | 480 | |
| 150 |
| Embodied Water, L/kg | 190 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 | |
| 23 to 46 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3300 | |
| 110 to 690 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 47 |
| Strength to Weight: Axial, points | 55 | |
| 18 to 37 |
| Strength to Weight: Bending, points | 46 | |
| 25 to 41 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 59 |
| Thermal Shock Resistance, points | 63 | |
| 8.3 to 17 |
Alloy Composition
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| Aluminum (Al), % | 4.0 to 6.0 | |
| 91.2 to 94.8 |
| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.1 to 0.35 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 0 | |
| 1.0 to 1.4 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.5 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.35 |
| Tin (Sn), % | 2.0 to 3.0 | |
| 0 |
| Titanium (Ti), % | 89.7 to 94 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 | |
| 4.0 to 5.0 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.25 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |