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EV31A Magnesium vs. 5154A Aluminum

EV31A magnesium belongs to the magnesium alloys classification, while 5154A aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EV31A magnesium and the bottom bar is 5154A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
58 to 100
Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 3.5
1.1 to 19
Fatigue Strength, MPa 120
83 to 160
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 170
140 to 210
Tensile Strength: Ultimate (UTS), MPa 260
230 to 370
Tensile Strength: Yield (Proof), MPa 170
96 to 320

Thermal Properties

Maximum Temperature: Mechanical, °C 200
190
Melting Onset (Solidus), °C 590
600
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 86
130
Thermal Expansion, µm/m-K 27
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
32
Electrical Conductivity: Equal Weight (Specific), % IACS 90
110

Otherwise Unclassified Properties

Density, g/cm3 1.8
2.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
4.0 to 36
Resilience: Unit (Modulus of Resilience), kJ/m3 330
68 to 760
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 65
51
Strength to Weight: Axial, points 40
24 to 38
Strength to Weight: Bending, points 50
31 to 43
Thermal Diffusivity, mm2/s 47
53
Thermal Shock Resistance, points 16
10 to 16