5040 Aluminum vs. 5049 Aluminum
Both 5040 aluminum and 5049 aluminum are aluminum alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is 5040 aluminum and the bottom bar is 5049 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 66 to 74 | |
| 52 to 88 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 69 |
| Elongation at Break, % | 5.7 to 6.8 | |
| 2.0 to 18 |
| Fatigue Strength, MPa | 100 to 130 | |
| 79 to 130 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 140 to 150 | |
| 130 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 260 | |
| 210 to 330 |
| Tensile Strength: Yield (Proof), MPa | 190 to 230 | |
| 91 to 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 190 |
| Melting Completion (Liquidus), °C | 650 | |
| 650 |
| Melting Onset (Solidus), °C | 600 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 160 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 41 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 110 |
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 | |
| 8.5 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 to 15 | |
| 6.0 to 31 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 380 | |
| 59 to 570 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 50 |
| Strength to Weight: Axial, points | 24 to 26 | |
| 22 to 34 |
| Strength to Weight: Bending, points | 31 to 32 | |
| 29 to 39 |
| Thermal Diffusivity, mm2/s | 64 | |
| 56 |
| Thermal Shock Resistance, points | 10 to 11 | |
| 9.3 to 15 |
Alloy Composition
| Aluminum (Al), % | 95.2 to 98 | |
| 94.7 to 97.9 |
| Chromium (Cr), % | 0.1 to 0.3 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 1.0 to 1.5 | |
| 1.6 to 2.5 |
| Manganese (Mn), % | 0.9 to 1.4 | |
| 0.5 to 1.1 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 to 0.2 |
| Residuals, % | 0 | |
| 0 to 0.15 |