4115 Aluminum vs. EN-MC65120 Magnesium
4115 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 4115 aluminum and the bottom bar is EN-MC65120 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 38 to 68 | |
55 |
Elastic (Young's, Tensile) Modulus, GPa | 70 | |
45 |
Elongation at Break, % | 1.1 to 11 | |
3.1 |
Fatigue Strength, MPa | 39 to 76 | |
80 |
Poisson's Ratio | 0.33 | |
0.29 |
Shear Modulus, GPa | 26 | |
17 |
Shear Strength, MPa | 71 to 130 | |
92 |
Tensile Strength: Ultimate (UTS), MPa | 120 to 220 | |
160 |
Tensile Strength: Yield (Proof), MPa | 39 to 190 | |
110 |
Thermal Properties
Latent Heat of Fusion, J/g | 420 | |
330 |
Maximum Temperature: Mechanical, °C | 160 | |
180 |
Melting Completion (Liquidus), °C | 640 | |
590 |
Melting Onset (Solidus), °C | 590 | |
520 |
Specific Heat Capacity, J/kg-K | 900 | |
970 |
Thermal Conductivity, W/m-K | 160 | |
100 |
Thermal Expansion, µm/m-K | 23 | |
26 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 41 | |
25 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
120 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.5 | |
25 |
Density, g/cm3 | 2.7 | |
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 | 2.1 to 10 | |
4.4 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 11 to 270 | |
140 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 50 | |
62 |
Strength to Weight: Axial, points | 12 to 23 | |
23 |
Strength to Weight: Bending, points | 20 to 30 | |
34 |
Thermal Diffusivity, mm2/s | 66 | |
56 |
Thermal Shock Resistance, points | 5.2 to 9.9 | |
9.8 |
Alloy Composition
Aluminum (Al), % | 94.6 to 97.4 | |
0 |
Copper (Cu), % | 0.1 to 0.5 | |
0 to 0.030 |
Iron (Fe), % | 0 to 0.7 | |
0 to 0.010 |
Magnesium (Mg), % | 0.1 to 0.5 | |
91.8 to 95.1 |
Manganese (Mn), % | 0.6 to 1.2 | |
0 to 0.15 |
Nickel (Ni), % | 0 | |
0 to 0.0050 |
Silicon (Si), % | 1.8 to 2.2 | |
0 to 0.010 |
Unspecified Rare Earths, % | 0 | |
2.5 to 4.0 |
Zinc (Zn), % | 0 to 0.2 | |
2.0 to 3.0 |
Zirconium (Zr), % | 0 | |
0.4 to 1.0 |
Residuals, % | 0 | |
0 to 0.010 |