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EN-MC65120 Magnesium vs. 240.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 240.0 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 240.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
72
Elongation at Break, % 3.1
1.0
Fatigue Strength, MPa 80
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 160
240
Tensile Strength: Yield (Proof), MPa 110
200

Thermal Properties

Latent Heat of Fusion, J/g 330
380
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 590
600
Melting Onset (Solidus), °C 520
520
Specific Heat Capacity, J/kg-K 970
860
Thermal Conductivity, W/m-K 100
96
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
23
Electrical Conductivity: Equal Weight (Specific), % IACS 120
65

Otherwise Unclassified Properties

Base Metal Price, % relative 25
12
Density, g/cm3 1.9
3.2
Embodied Carbon, kg CO2/kg material 25
8.7
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 140
280
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 62
43
Strength to Weight: Axial, points 23
20
Strength to Weight: Bending, points 34
26
Thermal Diffusivity, mm2/s 56
35
Thermal Shock Resistance, points 9.8
11

Alloy Composition

Aluminum (Al), % 0
81.7 to 86.9
Copper (Cu), % 0 to 0.030
7.0 to 9.0
Iron (Fe), % 0 to 0.010
0 to 0.5
Magnesium (Mg), % 91.8 to 95.1
5.5 to 6.5
Manganese (Mn), % 0 to 0.15
0.3 to 0.7
Nickel (Ni), % 0 to 0.0050
0.3 to 0.7
Silicon (Si), % 0 to 0.010
0 to 0.5
Titanium (Ti), % 0
0 to 0.2
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