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EV31A Magnesium vs. 6101 Aluminum

EV31A magnesium belongs to the magnesium alloys classification, while 6101 aluminum belongs to the aluminum alloys. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is EV31A magnesium and the bottom bar is 6101 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 3.5
10 to 25
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 17
26

Thermal Properties

Maximum Temperature: Mechanical, °C 200
160
Melting Onset (Solidus), °C 590
620
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 86
220 to 230
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
57 to 60
Electrical Conductivity: Equal Weight (Specific), % IACS 90
190 to 200

Otherwise Unclassified Properties

Density, g/cm3 1.8
2.7

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 65
50
Thermal Diffusivity, mm2/s 47
89 to 93