5059 Aluminum vs. 4045 Aluminum
Both 5059 aluminum and 4045 aluminum are aluminum alloys. They have a moderately high 90% 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 5059 aluminum and the bottom bar is 4045 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 71 |
| Elongation at Break, % | 11 to 25 | |
| 2.3 |
| Fatigue Strength, MPa | 170 to 240 | |
| 45 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Shear Strength, MPa | 220 to 250 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 410 | |
| 120 |
| Tensile Strength: Yield (Proof), MPa | 170 to 300 | |
| 64 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 540 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 160 |
| Melting Completion (Liquidus), °C | 650 | |
| 600 |
| Melting Onset (Solidus), °C | 510 | |
| 580 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 110 | |
| 170 |
| Thermal Expansion, µm/m-K | 24 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 29 | |
| 45 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 95 | |
| 160 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 9.1 | |
| 7.8 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 1160 | |
| 1070 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 42 to 75 | |
| 2.4 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 650 | |
| 29 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 50 | |
| 54 |
| Strength to Weight: Axial, points | 36 to 42 | |
| 13 |
| Strength to Weight: Bending, points | 41 to 45 | |
| 21 |
| Thermal Diffusivity, mm2/s | 44 | |
| 74 |
| Thermal Shock Resistance, points | 16 to 18 | |
| 5.7 |
Alloy Composition
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| Aluminum (Al), % | 89.9 to 94 | |
| 87.4 to 91 |
| Chromium (Cr), % | 0 to 0.25 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 5.0 to 6.0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.6 to 1.2 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.45 | |
| 9.0 to 11 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0.4 to 0.9 | |
| 0 to 0.1 |
| Zirconium (Zr), % | 0.050 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |