5040 Aluminum vs. 5056 Aluminum
Both 5040 aluminum and 5056 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 30 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 5040 aluminum and the bottom bar is 5056 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 67 |
| Elongation at Break, % | 5.7 to 6.8 | |
| 4.9 to 31 |
| Fatigue Strength, MPa | 100 to 130 | |
| 140 to 200 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 25 |
| Shear Strength, MPa | 140 to 150 | |
| 170 to 240 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 260 | |
| 290 to 460 |
| Tensile Strength: Yield (Proof), MPa | 190 to 230 | |
| 150 to 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 190 |
| Melting Completion (Liquidus), °C | 650 | |
| 640 |
| Melting Onset (Solidus), °C | 600 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 910 |
| Thermal Conductivity, W/m-K | 160 | |
| 130 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 41 | |
| 29 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.8 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 9.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 to 15 | |
| 12 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 380 | |
| 170 to 1220 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 51 |
| Strength to Weight: Axial, points | 24 to 26 | |
| 30 to 48 |
| Strength to Weight: Bending, points | 31 to 32 | |
| 36 to 50 |
| Thermal Diffusivity, mm2/s | 64 | |
| 53 |
| Thermal Shock Resistance, points | 10 to 11 | |
| 13 to 20 |
Alloy Composition
| Aluminum (Al), % | 95.2 to 98 | |
| 93 to 95.4 |
| Chromium (Cr), % | 0.1 to 0.3 | |
| 0.050 to 0.2 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 1.0 to 1.5 | |
| 4.5 to 5.6 |
| Manganese (Mn), % | 0.9 to 1.4 | |
| 0.050 to 0.2 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.3 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.15 |