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EN-MC21110 Magnesium vs. 5059 Aluminum

EN-MC21110 magnesium belongs to the magnesium alloys classification, while 5059 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN-MC21110 magnesium and the bottom bar is 5059 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
69
Elongation at Break, % 2.8 to 6.7
11 to 25
Fatigue Strength, MPa 75 to 78
170 to 240
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 120 to 160
220 to 250
Tensile Strength: Ultimate (UTS), MPa 200 to 270
350 to 410
Tensile Strength: Yield (Proof), MPa 100 to 120
170 to 300

Thermal Properties

Latent Heat of Fusion, J/g 350
390
Maximum Temperature: Mechanical, °C 130
210
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 500
510
Specific Heat Capacity, J/kg-K 990
900
Thermal Conductivity, W/m-K 80
110
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
29
Electrical Conductivity: Equal Weight (Specific), % IACS 61
95

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 23
9.1
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 990
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.9 to 14
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 150
220 to 650
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
50
Strength to Weight: Axial, points 33 to 44
36 to 42
Strength to Weight: Bending, points 45 to 54
41 to 45
Thermal Diffusivity, mm2/s 47
44
Thermal Shock Resistance, points 12 to 16
16 to 18

Alloy Composition

Aluminum (Al), % 7.0 to 8.7
89.9 to 94
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0 to 0.030
0 to 0.25
Iron (Fe), % 0 to 0.0050
0 to 0.5
Magnesium (Mg), % 89.6 to 92.6
5.0 to 6.0
Manganese (Mn), % 0.1 to 0.35
0.6 to 1.2
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.2
0 to 0.45
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0.35 to 1.0
0.4 to 0.9
Zirconium (Zr), % 0
0.050 to 0.25
Residuals, % 0
0 to 0.15