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EN-MC65120 Magnesium vs. A242.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while A242.0 aluminum belongs to the aluminum 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 EN-MC65120 magnesium and the bottom bar is A242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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