2030 Aluminum vs. 7108A Aluminum
Both 2030 aluminum and 7108A aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.
For each property being compared, the top bar is 2030 aluminum and the bottom bar is 7108A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 70 | |
69 |
Elongation at Break, % | 5.6 to 8.0 | |
11 to 13 |
Fatigue Strength, MPa | 91 to 110 | |
120 to 130 |
Poisson's Ratio | 0.33 | |
0.33 |
Shear Modulus, GPa | 26 | |
26 |
Shear Strength, MPa | 220 to 250 | |
210 |
Tensile Strength: Ultimate (UTS), MPa | 370 to 420 | |
350 |
Tensile Strength: Yield (Proof), MPa | 240 to 270 | |
290 to 300 |
Thermal Properties
Latent Heat of Fusion, J/g | 390 | |
380 |
Maximum Temperature: Mechanical, °C | 190 | |
210 |
Melting Completion (Liquidus), °C | 640 | |
630 |
Melting Onset (Solidus), °C | 510 | |
520 |
Specific Heat Capacity, J/kg-K | 870 | |
870 |
Thermal Conductivity, W/m-K | 130 | |
150 |
Thermal Expansion, µm/m-K | 23 | |
24 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 34 | |
36 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
110 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 10 | |
10 |
Density, g/cm3 | 3.1 | |
2.9 |
Embodied Carbon, kg CO2/kg material | 8.0 | |
8.3 |
Embodied Energy, MJ/kg | 150 | |
150 |
Embodied Water, L/kg | 1140 | |
1150 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 to 26 | |
38 to 44 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 390 to 530 | |
610 to 640 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 45 | |
47 |
Strength to Weight: Axial, points | 33 to 38 | |
33 to 34 |
Strength to Weight: Bending, points | 37 to 40 | |
38 |
Thermal Diffusivity, mm2/s | 50 | |
59 |
Thermal Shock Resistance, points | 16 to 19 | |
15 to 16 |
Alloy Composition
Aluminum (Al), % | 88.9 to 95.2 | |
91.6 to 94.4 |
Bismuth (Bi), % | 0 to 0.2 | |
0 |
Chromium (Cr), % | 0 to 0.1 | |
0 to 0.040 |
Copper (Cu), % | 3.3 to 4.5 | |
0 to 0.050 |
Gallium (Ga), % | 0 | |
0 to 0.030 |
Iron (Fe), % | 0 to 0.7 | |
0 to 0.3 |
Lead (Pb), % | 0.8 to 1.5 | |
0 |
Magnesium (Mg), % | 0.5 to 1.3 | |
0.7 to 1.5 |
Manganese (Mn), % | 0.2 to 1.0 | |
0 to 0.050 |
Silicon (Si), % | 0 to 0.8 | |
0 to 0.2 |
Titanium (Ti), % | 0 to 0.2 | |
0 to 0.030 |
Zinc (Zn), % | 0 to 0.5 | |
4.8 to 5.8 |
Zirconium (Zr), % | 0 | |
0.15 to 0.25 |
Residuals, % | 0 | |
0 to 0.15 |