M1A Magnesium vs. 7050 Aluminum
M1A magnesium belongs to the magnesium alloys classification, while 7050 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is M1A magnesium and the bottom bar is 7050 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 70 |
| Elongation at Break, % | 5.5 | |
| 2.2 to 12 |
| Fatigue Strength, MPa | 88 | |
| 130 to 210 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 120 | |
| 280 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 490 to 570 |
| Tensile Strength: Yield (Proof), MPa | 130 | |
| 390 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 95 | |
| 190 |
| Melting Completion (Liquidus), °C | 610 | |
| 630 |
| Melting Onset (Solidus), °C | 580 | |
| 490 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 860 |
| Thermal Conductivity, W/m-K | 150 | |
| 140 |
| Thermal Expansion, µm/m-K | 26 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 190 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 10 |
| Density, g/cm3 | 1.7 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 8.2 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 970 | |
| 1120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 | |
| 10 to 55 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 1110 to 1760 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 71 | |
| 45 |
| Strength to Weight: Axial, points | 38 | |
| 45 to 51 |
| Strength to Weight: Bending, points | 49 | |
| 45 to 50 |
| Thermal Diffusivity, mm2/s | 88 | |
| 54 |
| Thermal Shock Resistance, points | 13 | |
| 21 to 25 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 87.3 to 92.1 |
| Calcium (Ca), % | 0 to 0.3 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0 to 0.040 |
| Copper (Cu), % | 0 to 0.050 | |
| 2.0 to 2.6 |
| Iron (Fe), % | 0 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 97.2 to 98.8 | |
| 1.9 to 2.6 |
| Manganese (Mn), % | 1.2 to 2.0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.12 |
| Titanium (Ti), % | 0 | |
| 0 to 0.060 |
| Zinc (Zn), % | 0 | |
| 5.7 to 6.7 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.15 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |