7076 Aluminum vs. EN-MC65120 Magnesium
7076 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 7076 aluminum and the bottom bar is EN-MC65120 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 | |
| 55 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 45 |
| Elongation at Break, % | 6.2 | |
| 3.1 |
| Fatigue Strength, MPa | 170 | |
| 80 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 17 |
| Shear Strength, MPa | 310 | |
| 92 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 160 |
| Tensile Strength: Yield (Proof), MPa | 460 | |
| 110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 180 |
| Melting Completion (Liquidus), °C | 630 | |
| 590 |
| Melting Onset (Solidus), °C | 460 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 970 |
| Thermal Conductivity, W/m-K | 140 | |
| 100 |
| Thermal Expansion, µm/m-K | 24 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 25 |
| Density, g/cm3 | 3.0 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 25 |
| Embodied Energy, MJ/kg | 150 | |
| 190 |
| Embodied Water, L/kg | 1110 | |
| 930 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 | |
| 4.4 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1510 | |
| 140 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 62 |
| Strength to Weight: Axial, points | 49 | |
| 23 |
| Strength to Weight: Bending, points | 48 | |
| 34 |
| Thermal Diffusivity, mm2/s | 54 | |
| 56 |
| Thermal Shock Resistance, points | 23 | |
| 9.8 |
Alloy Composition
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| Aluminum (Al), % | 86.9 to 91.2 | |
| 0 |
| Copper (Cu), % | 0.3 to 1.0 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.010 |
| Magnesium (Mg), % | 1.2 to 2.0 | |
| 91.8 to 95.1 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0 to 0.15 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 2.5 to 4.0 |
| Zinc (Zn), % | 7.0 to 8.0 | |
| 2.0 to 3.0 |
| Zirconium (Zr), % | 0 | |
| 0.4 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.010 |