4115 Aluminum vs. EN-MC21310 Magnesium
4115 aluminum belongs to the aluminum alloys classification, while EN-MC21310 magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 4115 aluminum and the bottom bar is EN-MC21310 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 38 to 68 | |
| 60 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 45 |
| Elongation at Break, % | 1.1 to 11 | |
| 9.0 |
| Fatigue Strength, MPa | 39 to 76 | |
| 86 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 17 |
| Shear Strength, MPa | 71 to 130 | |
| 120 |
| Tensile Strength: Ultimate (UTS), MPa | 120 to 220 | |
| 200 |
| Tensile Strength: Yield (Proof), MPa | 39 to 190 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 360 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 100 |
| Melting Completion (Liquidus), °C | 640 | |
| 600 |
| Melting Onset (Solidus), °C | 590 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 1000 |
| Thermal Conductivity, W/m-K | 160 | |
| 89 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 41 | |
| 22 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 12 |
| Density, g/cm3 | 2.7 | |
| 1.6 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 23 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1160 | |
| 970 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.1 to 10 | |
| 16 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 11 to 270 | |
| 160 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 50 | |
| 73 |
| Strength to Weight: Axial, points | 12 to 23 | |
| 34 |
| Strength to Weight: Bending, points | 20 to 30 | |
| 47 |
| Thermal Diffusivity, mm2/s | 66 | |
| 55 |
| Thermal Shock Resistance, points | 5.2 to 9.9 | |
| 12 |
Alloy Composition
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| Aluminum (Al), % | 94.6 to 97.4 | |
| 1.8 to 2.6 |
| Copper (Cu), % | 0.1 to 0.5 | |
| 0 to 0.010 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0.1 to 0.5 | |
| 95.2 to 97.4 |
| Manganese (Mn), % | 0.6 to 1.2 | |
| 0.1 to 0.7 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0020 |
| Silicon (Si), % | 1.8 to 2.2 | |
| 0.7 to 1.2 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.010 |