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240.0 Aluminum vs. EN-MC65120 Magnesium

240.0 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium 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 240.0 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
0
Copper (Cu), % 7.0 to 9.0
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.010
Magnesium (Mg), % 5.5 to 6.5
91.8 to 95.1
Manganese (Mn), % 0.3 to 0.7
0 to 0.15
Nickel (Ni), % 0.3 to 0.7
0 to 0.0050
Silicon (Si), % 0 to 0.5
0 to 0.010
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.1
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010