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5052 Aluminum vs. EN-MC21320 Magnesium

5052 aluminum belongs to the aluminum alloys classification, while EN-MC21320 magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5052 aluminum and the bottom bar is EN-MC21320 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 46 to 83
68
Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 1.1 to 22
7.5
Fatigue Strength, MPa 66 to 140
95
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 120 to 180
130
Tensile Strength: Ultimate (UTS), MPa 190 to 320
230
Tensile Strength: Yield (Proof), MPa 75 to 280
140

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Maximum Temperature: Mechanical, °C 190
110
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 610
530
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 140
66
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
17
Electrical Conductivity: Equal Weight (Specific), % IACS 120
91

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.6
Embodied Carbon, kg CO2/kg material 8.6
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7 to 69
15
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 590
200
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
72
Strength to Weight: Axial, points 19 to 33
38
Strength to Weight: Bending, points 27 to 38
50
Thermal Diffusivity, mm2/s 57
40
Thermal Shock Resistance, points 8.3 to 14
13

Alloy Composition

Aluminum (Al), % 95.8 to 97.7
3.5 to 5.0
Chromium (Cr), % 0.15 to 0.35
0
Copper (Cu), % 0 to 0.1
0 to 0.010
Iron (Fe), % 0 to 0.4
0 to 0.0050
Magnesium (Mg), % 2.2 to 2.8
92.5 to 95.9
Manganese (Mn), % 0 to 0.1
0.1 to 0.7
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 0 to 0.25
0.5 to 1.5
Zinc (Zn), % 0 to 0.1
0 to 0.2
Residuals, % 0
0 to 0.010