8090 Aluminum vs. 3105 Aluminum
Both 8090 aluminum and 3105 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is 8090 aluminum and the bottom bar is 3105 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 67 | |
69 |
Elongation at Break, % | 3.5 to 13 | |
1.1 to 20 |
Fatigue Strength, MPa | 91 to 140 | |
39 to 95 |
Poisson's Ratio | 0.33 | |
0.33 |
Shear Modulus, GPa | 25 | |
26 |
Tensile Strength: Ultimate (UTS), MPa | 340 to 490 | |
120 to 240 |
Tensile Strength: Yield (Proof), MPa | 210 to 420 | |
46 to 220 |
Thermal Properties
Latent Heat of Fusion, J/g | 400 | |
400 |
Maximum Temperature: Mechanical, °C | 190 | |
180 |
Melting Completion (Liquidus), °C | 660 | |
660 |
Melting Onset (Solidus), °C | 600 | |
640 |
Specific Heat Capacity, J/kg-K | 960 | |
900 |
Thermal Conductivity, W/m-K | 95 to 160 | |
170 |
Thermal Expansion, µm/m-K | 24 | |
24 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 20 | |
44 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 66 | |
140 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 18 | |
9.5 |
Density, g/cm3 | 2.7 | |
2.8 |
Embodied Carbon, kg CO2/kg material | 8.6 | |
8.2 |
Embodied Energy, MJ/kg | 170 | |
150 |
Embodied Water, L/kg | 1160 | |
1180 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 41 | |
2.6 to 19 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 340 to 1330 | |
15 to 340 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 50 | |
50 |
Strength to Weight: Axial, points | 34 to 49 | |
12 to 24 |
Strength to Weight: Bending, points | 39 to 50 | |
20 to 31 |
Thermal Diffusivity, mm2/s | 36 to 60 | |
68 |
Thermal Shock Resistance, points | 15 to 22 | |
5.2 to 11 |
Alloy Composition
Aluminum (Al), % | 93 to 98.4 | |
96 to 99.5 |
Chromium (Cr), % | 0 to 0.1 | |
0 to 0.2 |
Copper (Cu), % | 1.0 to 1.6 | |
0 to 0.3 |
Iron (Fe), % | 0 to 0.3 | |
0 to 0.7 |
Lithium (Li), % | 2.2 to 2.7 | |
0 |
Magnesium (Mg), % | 0.6 to 1.3 | |
0.2 to 0.8 |
Manganese (Mn), % | 0 to 0.1 | |
0.3 to 0.8 |
Silicon (Si), % | 0 to 0.2 | |
0 to 0.6 |
Titanium (Ti), % | 0 to 0.1 | |
0 to 0.1 |
Zinc (Zn), % | 0 to 0.25 | |
0 to 0.4 |
Zirconium (Zr), % | 0.040 to 0.16 | |
0 |
Residuals, % | 0 | |
0 to 0.15 |