EV31A Magnesium vs. 4104 Aluminum
EV31A magnesium belongs to the magnesium alloys classification, while 4104 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is EV31A magnesium and the bottom bar is 4104 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 44 | |
71 |
Elongation at Break, % | 3.5 | |
2.4 |
Fatigue Strength, MPa | 120 | |
42 |
Poisson's Ratio | 0.27 | |
0.33 |
Shear Modulus, GPa | 17 | |
27 |
Shear Strength, MPa | 170 | |
63 |
Tensile Strength: Ultimate (UTS), MPa | 260 | |
110 |
Tensile Strength: Yield (Proof), MPa | 170 | |
60 |
Thermal Properties
Maximum Temperature: Mechanical, °C | 200 | |
160 |
Melting Onset (Solidus), °C | 590 | |
560 |
Specific Heat Capacity, J/kg-K | 1000 | |
900 |
Thermal Conductivity, W/m-K | 86 | |
130 |
Thermal Expansion, µm/m-K | 27 | |
22 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 18 | |
33 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 90 | |
120 |
Otherwise Unclassified Properties
Density, g/cm3 | 1.8 | |
2.6 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 8.1 | |
2.3 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 | |
25 |
Stiffness to Weight: Axial, points | 13 | |
15 |
Stiffness to Weight: Bending, points | 65 | |
54 |
Strength to Weight: Axial, points | 40 | |
12 |
Strength to Weight: Bending, points | 50 | |
20 |
Thermal Diffusivity, mm2/s | 47 | |
58 |
Thermal Shock Resistance, points | 16 | |
5.1 |