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EN-MC65120 Magnesium vs. 201.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 201.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is 201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
95 to 140
Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 3.1
4.4 to 20
Fatigue Strength, MPa 80
120 to 150
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 92
290
Tensile Strength: Ultimate (UTS), MPa 160
370 to 470
Tensile Strength: Yield (Proof), MPa 110
220 to 400

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
870
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
30 to 33
Electrical Conductivity: Equal Weight (Specific), % IACS 120
87 to 97

Otherwise Unclassified Properties

Base Metal Price, % relative 25
38
Density, g/cm3 1.9
3.1
Embodied Carbon, kg CO2/kg material 25
8.7
Embodied Energy, MJ/kg 190
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
19 to 63
Resilience: Unit (Modulus of Resilience), kJ/m3 140
330 to 1160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
45
Strength to Weight: Axial, points 23
33 to 42
Strength to Weight: Bending, points 34
37 to 44
Thermal Diffusivity, mm2/s 56
45
Thermal Shock Resistance, points 9.8
19 to 25

Alloy Composition

Aluminum (Al), % 0
92.1 to 95.1
Copper (Cu), % 0 to 0.030
4.0 to 5.2
Iron (Fe), % 0 to 0.010
0 to 0.15
Magnesium (Mg), % 91.8 to 95.1
0.15 to 0.55
Manganese (Mn), % 0 to 0.15
0.2 to 0.5
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.1
Silver (Ag), % 0
0.4 to 1.0
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