6063A Aluminum vs. Grade 25 Titanium
6063A aluminum belongs to the aluminum alloys classification, while grade 25 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 6063A aluminum and the bottom bar is grade 25 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 110 |
| Elongation at Break, % | 6.7 to 18 | |
| 11 |
| Fatigue Strength, MPa | 53 to 80 | |
| 550 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 40 |
| Shear Strength, MPa | 78 to 150 | |
| 600 |
| Tensile Strength: Ultimate (UTS), MPa | 130 to 260 | |
| 1000 |
| Tensile Strength: Yield (Proof), MPa | 55 to 200 | |
| 940 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 340 |
| Melting Completion (Liquidus), °C | 640 | |
| 1610 |
| Melting Onset (Solidus), °C | 620 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 560 |
| Thermal Conductivity, W/m-K | 200 | |
| 7.1 |
| Thermal Expansion, µm/m-K | 23 | |
| 9.6 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 49 to 54 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 160 to 180 | |
| 2.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.7 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 43 |
| Embodied Energy, MJ/kg | 150 | |
| 700 |
| Embodied Water, L/kg | 1190 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 21 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 22 to 280 | |
| 4220 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 35 |
| Strength to Weight: Axial, points | 13 to 26 | |
| 62 |
| Strength to Weight: Bending, points | 21 to 33 | |
| 50 |
| Thermal Diffusivity, mm2/s | 83 | |
| 2.8 |
| Thermal Shock Resistance, points | 5.6 to 11 | |
| 71 |
Alloy Composition
| Aluminum (Al), % | 97.5 to 99 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.013 |
| Iron (Fe), % | 0.15 to 0.35 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 0.6 to 0.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.3 to 0.8 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Silicon (Si), % | 0.3 to 0.6 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 86.7 to 90.6 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Zinc (Zn), % | 0 to 0.15 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |