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EV31A Magnesium vs. EN AC-44100 Aluminum

EV31A magnesium belongs to the magnesium alloys classification, while EN AC-44100 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EV31A magnesium and the bottom bar is EN AC-44100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
59
Elastic (Young's, Tensile) Modulus, GPa 44
72
Elongation at Break, % 3.5
4.9
Fatigue Strength, MPa 120
64
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 260
180
Tensile Strength: Yield (Proof), MPa 170
87

Thermal Properties

Maximum Temperature: Mechanical, °C 200
170
Melting Onset (Solidus), °C 590
580
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 86
130
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
34
Electrical Conductivity: Equal Weight (Specific), % IACS 90
120

Otherwise Unclassified Properties

Density, g/cm3 1.8
2.5

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
7.1
Resilience: Unit (Modulus of Resilience), kJ/m3 330
53
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 65
55
Strength to Weight: Axial, points 40
19
Strength to Weight: Bending, points 50
27
Thermal Diffusivity, mm2/s 47
58
Thermal Shock Resistance, points 16
8.2