5019 Aluminum vs. AS41B Magnesium
5019 aluminum belongs to the aluminum alloys classification, while AS41B magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 5019 aluminum and the bottom bar is AS41B magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 45 |
| Elongation at Break, % | 2.2 to 18 | |
| 6.0 |
| Fatigue Strength, MPa | 100 to 160 | |
| 97 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 18 |
| Shear Strength, MPa | 170 to 210 | |
| 120 |
| Tensile Strength: Ultimate (UTS), MPa | 280 to 360 | |
| 210 |
| Tensile Strength: Yield (Proof), MPa | 120 to 300 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 110 |
| Melting Completion (Liquidus), °C | 640 | |
| 620 |
| Melting Onset (Solidus), °C | 540 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 1000 |
| Thermal Conductivity, W/m-K | 130 | |
| 68 |
| Thermal Expansion, µm/m-K | 24 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 29 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 92 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 12 |
| Density, g/cm3 | 2.7 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 9.0 | |
| 23 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1180 | |
| 980 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.6 to 40 | |
| 11 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 650 | |
| 220 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 51 | |
| 72 |
| Strength to Weight: Axial, points | 29 to 38 | |
| 35 |
| Strength to Weight: Bending, points | 35 to 42 | |
| 47 |
| Thermal Diffusivity, mm2/s | 52 | |
| 41 |
| Thermal Shock Resistance, points | 13 to 16 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 91.5 to 95.3 | |
| 3.5 to 5.0 |
| Chromium (Cr), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.0035 |
| Magnesium (Mg), % | 4.5 to 5.6 | |
| 92.7 to 95.7 |
| Manganese (Mn), % | 0.1 to 0.6 | |
| 0.35 to 0.7 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0020 |
| Silicon (Si), % | 0 to 0.4 | |
| 0.5 to 1.5 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.12 |
| Residuals, % | 0 to 0.15 | |
| 0 |