4007 Aluminum vs. EN-MC65120 Magnesium
4007 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 4007 aluminum and the bottom bar is EN-MC65120 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 32 to 44 | |
| 55 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 45 |
| Elongation at Break, % | 5.1 to 23 | |
| 3.1 |
| Fatigue Strength, MPa | 46 to 88 | |
| 80 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 17 |
| Shear Strength, MPa | 80 to 90 | |
| 92 |
| Tensile Strength: Ultimate (UTS), MPa | 130 to 160 | |
| 160 |
| Tensile Strength: Yield (Proof), MPa | 50 to 120 | |
| 110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 180 |
| Melting Completion (Liquidus), °C | 650 | |
| 590 |
| Melting Onset (Solidus), °C | 590 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 970 |
| Thermal Conductivity, W/m-K | 170 | |
| 100 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 42 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 25 |
| Density, g/cm3 | 2.8 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 25 |
| Embodied Energy, MJ/kg | 150 | |
| 190 |
| Embodied Water, L/kg | 1160 | |
| 930 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.4 to 23 | |
| 4.4 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 18 to 110 | |
| 140 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 49 | |
| 62 |
| Strength to Weight: Axial, points | 12 to 15 | |
| 23 |
| Strength to Weight: Bending, points | 20 to 23 | |
| 34 |
| Thermal Diffusivity, mm2/s | 67 | |
| 56 |
| Thermal Shock Resistance, points | 5.5 to 6.7 | |
| 9.8 |
Alloy Composition
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| Aluminum (Al), % | 94.1 to 97.6 | |
| 0 |
| Chromium (Cr), % | 0.050 to 0.25 | |
| 0 |
| Cobalt (Co), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 to 0.030 |
| Iron (Fe), % | 0.4 to 1.0 | |
| 0 to 0.010 |
| Magnesium (Mg), % | 0 to 0.2 | |
| 91.8 to 95.1 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 0 to 0.15 |
| Nickel (Ni), % | 0.15 to 0.7 | |
| 0 to 0.0050 |
| Silicon (Si), % | 1.0 to 1.7 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 2.5 to 4.0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 2.0 to 3.0 |
| Zirconium (Zr), % | 0 | |
| 0.4 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.010 |