7076 Aluminum vs. AM50A Magnesium
7076 aluminum belongs to the aluminum alloys classification, while AM50A magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 7076 aluminum and the bottom bar is AM50A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 | |
| 58 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 45 |
| Elongation at Break, % | 6.2 | |
| 11 |
| Fatigue Strength, MPa | 170 | |
| 70 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 17 |
| Shear Strength, MPa | 310 | |
| 120 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 210 |
| Tensile Strength: Yield (Proof), MPa | 460 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 120 |
| Melting Completion (Liquidus), °C | 630 | |
| 620 |
| Melting Onset (Solidus), °C | 460 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 1000 |
| Thermal Conductivity, W/m-K | 140 | |
| 65 |
| Thermal Expansion, µm/m-K | 24 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 16 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 88 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 12 |
| Density, g/cm3 | 3.0 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 23 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1110 | |
| 990 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 | |
| 19 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1510 | |
| 150 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 45 | |
| 71 |
| Strength to Weight: Axial, points | 49 | |
| 35 |
| Strength to Weight: Bending, points | 48 | |
| 47 |
| Thermal Diffusivity, mm2/s | 54 | |
| 39 |
| Thermal Shock Resistance, points | 23 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 86.9 to 91.2 | |
| 4.4 to 5.4 |
| Copper (Cu), % | 0.3 to 1.0 | |
| 0 to 0.010 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.0040 |
| Magnesium (Mg), % | 1.2 to 2.0 | |
| 93.7 to 95.3 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0.26 to 0.6 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0020 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 7.0 to 8.0 | |
| 0 to 0.22 |
| Residuals, % | 0 to 0.15 | |
| 0 |