AM50A Magnesium vs. 2025 Aluminum
AM50A magnesium belongs to the magnesium alloys classification, while 2025 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is AM50A magnesium and the bottom bar is 2025 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 58 | |
| 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 72 |
| Elongation at Break, % | 11 | |
| 15 |
| Fatigue Strength, MPa | 70 | |
| 130 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 17 | |
| 27 |
| Shear Strength, MPa | 120 | |
| 240 |
| Tensile Strength: Ultimate (UTS), MPa | 210 | |
| 400 |
| Tensile Strength: Yield (Proof), MPa | 120 | |
| 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 190 |
| Melting Completion (Liquidus), °C | 620 | |
| 640 |
| Melting Onset (Solidus), °C | 570 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 870 |
| Thermal Conductivity, W/m-K | 65 | |
| 150 |
| Thermal Expansion, µm/m-K | 26 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 16 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 88 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 10 |
| Density, g/cm3 | 1.7 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 7.9 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 990 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 | |
| 55 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 | |
| 450 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 71 | |
| 46 |
| Strength to Weight: Axial, points | 35 | |
| 37 |
| Strength to Weight: Bending, points | 47 | |
| 40 |
| Thermal Diffusivity, mm2/s | 39 | |
| 58 |
| Thermal Shock Resistance, points | 13 | |
| 18 |
Alloy Composition
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| Aluminum (Al), % | 4.4 to 5.4 | |
| 90.9 to 95.2 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.010 | |
| 3.9 to 5.0 |
| Iron (Fe), % | 0 to 0.0040 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 93.7 to 95.3 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.26 to 0.6 | |
| 0.4 to 1.2 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0.5 to 1.2 |
| Titanium (Ti), % | 0 | |
| 0 to 0.15 |
| Zinc (Zn), % | 0 to 0.22 | |
| 0 to 0.25 |
| Residuals, % | 0 | |
| 0 to 0.15 |