7108A Aluminum vs. Grade 6 Titanium
7108A aluminum belongs to the aluminum alloys classification, while grade 6 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is 7108A aluminum and the bottom bar is grade 6 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 69 | |
100 |
Elongation at Break, % | 11 to 13 | |
11 |
Fatigue Strength, MPa | 120 to 130 | |
290 |
Poisson's Ratio | 0.33 | |
0.32 |
Shear Modulus, GPa | 26 | |
39 |
Shear Strength, MPa | 210 | |
530 |
Tensile Strength: Ultimate (UTS), MPa | 350 | |
890 |
Tensile Strength: Yield (Proof), MPa | 290 to 300 | |
840 |
Thermal Properties
Latent Heat of Fusion, J/g | 380 | |
410 |
Maximum Temperature: Mechanical, °C | 210 | |
310 |
Melting Completion (Liquidus), °C | 630 | |
1580 |
Melting Onset (Solidus), °C | 520 | |
1530 |
Specific Heat Capacity, J/kg-K | 870 | |
550 |
Thermal Conductivity, W/m-K | 150 | |
7.8 |
Thermal Expansion, µm/m-K | 24 | |
9.4 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 36 | |
1.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
2.5 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 10 | |
36 |
Density, g/cm3 | 2.9 | |
4.5 |
Embodied Carbon, kg CO2/kg material | 8.3 | |
30 |
Embodied Energy, MJ/kg | 150 | |
480 |
Embodied Water, L/kg | 1150 | |
190 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 38 to 44 | |
92 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 610 to 640 | |
3390 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 47 | |
35 |
Strength to Weight: Axial, points | 33 to 34 | |
55 |
Strength to Weight: Bending, points | 38 | |
46 |
Thermal Diffusivity, mm2/s | 59 | |
3.2 |
Thermal Shock Resistance, points | 15 to 16 | |
65 |
Alloy Composition
Aluminum (Al), % | 91.6 to 94.4 | |
4.0 to 6.0 |
Carbon (C), % | 0 | |
0 to 0.080 |
Chromium (Cr), % | 0 to 0.040 | |
0 |
Copper (Cu), % | 0 to 0.050 | |
0 |
Gallium (Ga), % | 0 to 0.030 | |
0 |
Hydrogen (H), % | 0 | |
0 to 0.015 |
Iron (Fe), % | 0 to 0.3 | |
0 to 0.5 |
Magnesium (Mg), % | 0.7 to 1.5 | |
0 |
Manganese (Mn), % | 0 to 0.050 | |
0 |
Nitrogen (N), % | 0 | |
0 to 0.030 |
Oxygen (O), % | 0 | |
0 to 0.2 |
Silicon (Si), % | 0 to 0.2 | |
0 |
Tin (Sn), % | 0 | |
2.0 to 3.0 |
Titanium (Ti), % | 0 to 0.030 | |
89.8 to 94 |
Zinc (Zn), % | 4.8 to 5.8 | |
0 |
Zirconium (Zr), % | 0.15 to 0.25 | |
0 |
Residuals, % | 0 | |
0 to 0.4 |