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C355.0 Aluminum vs. EV31A Magnesium

C355.0 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 (10, in this case) are not shown.

For each property being compared, the top bar is C355.0 aluminum and the bottom bar is EV31A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86 to 90
70
Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 2.7 to 3.8
3.5
Fatigue Strength, MPa 76 to 84
120
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 290 to 310
260
Tensile Strength: Yield (Proof), MPa 200 to 230
170

Thermal Properties

Maximum Temperature: Mechanical, °C 170
200
Melting Onset (Solidus), °C 570
590
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 150
86
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
18
Electrical Conductivity: Equal Weight (Specific), % IACS 130
90

Otherwise Unclassified Properties

Density, g/cm3 2.7
1.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.5 to 9.8
8.1
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 380
330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
65
Strength to Weight: Axial, points 30 to 32
40
Strength to Weight: Bending, points 36 to 37
50
Thermal Diffusivity, mm2/s 60
47
Thermal Shock Resistance, points 13 to 14
16