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EN-MC65120 Magnesium vs. 5652 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 5652 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is 5652 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
47 to 77
Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 3.1
6.8 to 25
Fatigue Strength, MPa 80
60 to 140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 92
110 to 170
Tensile Strength: Ultimate (UTS), MPa 160
190 to 290
Tensile Strength: Yield (Proof), MPa 110
74 to 260

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 590
650
Melting Onset (Solidus), °C 520
610
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
140
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
35
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
8.6
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
12 to 39
Resilience: Unit (Modulus of Resilience), kJ/m3 140
40 to 480
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
51
Strength to Weight: Axial, points 23
20 to 30
Strength to Weight: Bending, points 34
27 to 36
Thermal Diffusivity, mm2/s 56
57
Thermal Shock Resistance, points 9.8
8.4 to 13

Alloy Composition


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Aluminum (Al), % 0
95.8 to 97.7
Chromium (Cr), % 0
0.15 to 0.35
Copper (Cu), % 0 to 0.030
0 to 0.040
Iron (Fe), % 0 to 0.010
0 to 0.4
Magnesium (Mg), % 91.8 to 95.1
2.2 to 2.8
Manganese (Mn), % 0 to 0.15
0 to 0.010
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.4
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15