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1080 Aluminum vs. EV31A Magnesium

1080 aluminum belongs to the aluminum alloys classification, while EV31A magnesium belongs to the magnesium 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 1080 aluminum and the bottom bar is EV31A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
44
Elongation at Break, % 4.6 to 40
3.5
Fatigue Strength, MPa 21 to 48
120
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
17
Shear Strength, MPa 49 to 78
170
Tensile Strength: Ultimate (UTS), MPa 72 to 130
260
Tensile Strength: Yield (Proof), MPa 17 to 120
170

Thermal Properties

Maximum Temperature: Mechanical, °C 170
200
Melting Onset (Solidus), °C 640
590
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 230
86
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
18
Electrical Conductivity: Equal Weight (Specific), % IACS 200
90

Otherwise Unclassified Properties

Density, g/cm3 2.7
1.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.7 to 21
8.1
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
65
Strength to Weight: Axial, points 7.4 to 14
40
Strength to Weight: Bending, points 14 to 22
50
Thermal Diffusivity, mm2/s 94
47
Thermal Shock Resistance, points 3.2 to 6.0
16