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EN AC-51400 Aluminum vs. EV31A Magnesium

EN AC-51400 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 EN AC-51400 aluminum and the bottom bar is EV31A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 71
70
Elastic (Young's, Tensile) Modulus, GPa 67
44
Elongation at Break, % 3.4
3.5
Fatigue Strength, MPa 85
120
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 25
17
Tensile Strength: Ultimate (UTS), MPa 190
260
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Maximum Temperature: Mechanical, °C 170
200
Melting Onset (Solidus), °C 600
590
Specific Heat Capacity, J/kg-K 910
1000
Thermal Conductivity, W/m-K 110
86
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
18
Electrical Conductivity: Equal Weight (Specific), % IACS 110
90

Otherwise Unclassified Properties

Density, g/cm3 2.7
1.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
8.1
Resilience: Unit (Modulus of Resilience), kJ/m3 110
330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
65
Strength to Weight: Axial, points 20
40
Strength to Weight: Bending, points 28
50
Thermal Diffusivity, mm2/s 46
47
Thermal Shock Resistance, points 8.6
16