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EN-MC65120 Magnesium vs. A201.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while A201.0 aluminum belongs to the aluminum alloys. There are 29 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-MC65120 magnesium and the bottom bar is A201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 3.1
4.7
Fatigue Strength, MPa 80
97
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 160
480
Tensile Strength: Yield (Proof), MPa 110
420

Thermal Properties

Latent Heat of Fusion, J/g 330
390
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
650
Melting Onset (Solidus), °C 520
570
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 100
120
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
8.1
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
22
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
46
Strength to Weight: Axial, points 23
44
Strength to Weight: Bending, points 34
45
Thermal Diffusivity, mm2/s 56
46
Thermal Shock Resistance, points 9.8
21

Alloy Composition

Aluminum (Al), % 0
93.7 to 95.5
Copper (Cu), % 0 to 0.030
4.0 to 5.0
Iron (Fe), % 0 to 0.010
0 to 0.1
Magnesium (Mg), % 91.8 to 95.1
0.15 to 0.35
Manganese (Mn), % 0 to 0.15
0.2 to 0.4
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.35
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.1