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EN-MC65120 Magnesium vs. A206.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while A206.0 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is A206.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 3.1
4.2 to 10
Fatigue Strength, MPa 80
90 to 180
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 92
260
Tensile Strength: Ultimate (UTS), MPa 160
390 to 440
Tensile Strength: Yield (Proof), MPa 110
250 to 380

Thermal Properties

Latent Heat of Fusion, J/g 330
390
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
670
Melting Onset (Solidus), °C 520
550
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 100
130
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
30
Electrical Conductivity: Equal Weight (Specific), % IACS 120
90

Otherwise Unclassified Properties

Base Metal Price, % relative 25
11
Density, g/cm3 1.9
3.0
Embodied Carbon, kg CO2/kg material 25
8.0
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
16 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 140
440 to 1000
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
46
Strength to Weight: Axial, points 23
36 to 41
Strength to Weight: Bending, points 34
39 to 43
Thermal Diffusivity, mm2/s 56
48
Thermal Shock Resistance, points 9.8
17 to 19

Alloy Composition

Aluminum (Al), % 0
93.9 to 95.7
Copper (Cu), % 0 to 0.030
4.2 to 5.0
Iron (Fe), % 0 to 0.010
0 to 0.1
Magnesium (Mg), % 91.8 to 95.1
0 to 0.15
Manganese (Mn), % 0 to 0.15
0 to 0.2
Nickel (Ni), % 0 to 0.0050
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.050
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
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