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A242.0 Aluminum vs. EN-MC65120 Magnesium

A242.0 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is A242.0 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
55
Elastic (Young's, Tensile) Modulus, GPa 73
45
Elongation at Break, % 1.6
3.1
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 220
160

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 680
590
Melting Onset (Solidus), °C 550
520
Specific Heat Capacity, J/kg-K 870
970
Thermal Conductivity, W/m-K 140
100
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
25
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
25
Density, g/cm3 3.1
1.9
Embodied Carbon, kg CO2/kg material 8.3
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1130
930

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
62
Strength to Weight: Axial, points 20
23
Strength to Weight: Bending, points 26
34
Thermal Diffusivity, mm2/s 52
56
Thermal Shock Resistance, points 9.3
9.8

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
0
Chromium (Cr), % 0.15 to 0.25
0
Copper (Cu), % 3.7 to 4.5
0 to 0.030
Iron (Fe), % 0 to 0.8
0 to 0.010
Magnesium (Mg), % 1.2 to 1.7
91.8 to 95.1
Manganese (Mn), % 0 to 0.1
0 to 0.15
Nickel (Ni), % 1.8 to 2.3
0 to 0.0050
Silicon (Si), % 0 to 0.6
0 to 0.010
Titanium (Ti), % 0.070 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