1070A Aluminum vs. 5040 Aluminum
Both 1070A aluminum and 5040 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common.
For each property being compared, the top bar is 1070A aluminum and the bottom bar is 5040 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 18 to 40 | |
66 to 74 |
Elastic (Young's, Tensile) Modulus, GPa | 68 | |
70 |
Elongation at Break, % | 2.3 to 33 | |
5.7 to 6.8 |
Fatigue Strength, MPa | 17 to 51 | |
100 to 130 |
Poisson's Ratio | 0.33 | |
0.33 |
Shear Modulus, GPa | 26 | |
26 |
Shear Strength, MPa | 44 to 81 | |
140 to 150 |
Tensile Strength: Ultimate (UTS), MPa | 68 to 140 | |
240 to 260 |
Tensile Strength: Yield (Proof), MPa | 17 to 120 | |
190 to 230 |
Thermal Properties
Latent Heat of Fusion, J/g | 400 | |
400 |
Maximum Temperature: Mechanical, °C | 170 | |
190 |
Melting Completion (Liquidus), °C | 640 | |
650 |
Melting Onset (Solidus), °C | 640 | |
600 |
Specific Heat Capacity, J/kg-K | 900 | |
900 |
Thermal Conductivity, W/m-K | 230 | |
160 |
Thermal Expansion, µm/m-K | 23 | |
23 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 60 | |
41 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 200 | |
130 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.0 | |
9.5 |
Density, g/cm3 | 2.7 | |
2.8 |
Embodied Carbon, kg CO2/kg material | 8.2 | |
8.3 |
Embodied Energy, MJ/kg | 150 | |
150 |
Embodied Water, L/kg | 1200 | |
1180 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.0 to 18 | |
14 to 15 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 2.1 to 100 | |
260 to 380 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 50 | |
50 |
Strength to Weight: Axial, points | 7.0 to 14 | |
24 to 26 |
Strength to Weight: Bending, points | 14 to 22 | |
31 to 32 |
Thermal Diffusivity, mm2/s | 94 | |
64 |
Thermal Shock Resistance, points | 3.1 to 6.3 | |
10 to 11 |
Alloy Composition
Aluminum (Al), % | 99.7 to 100 | |
95.2 to 98 |
Chromium (Cr), % | 0 | |
0.1 to 0.3 |
Copper (Cu), % | 0 to 0.030 | |
0 to 0.25 |
Iron (Fe), % | 0 to 0.25 | |
0 to 0.7 |
Magnesium (Mg), % | 0 to 0.030 | |
1.0 to 1.5 |
Manganese (Mn), % | 0 to 0.030 | |
0.9 to 1.4 |
Silicon (Si), % | 0 to 0.2 | |
0 to 0.3 |
Titanium (Ti), % | 0 to 0.030 | |
0 |
Zinc (Zn), % | 0 to 0.070 | |
0 to 0.25 |
Residuals, % | 0 | |
0 to 0.15 |