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EN-MC65220 Magnesium vs. A242.0 Aluminum

EN-MC65220 magnesium belongs to the magnesium alloys classification, while A242.0 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN-MC65220 magnesium and the bottom bar is A242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
75
Elastic (Young's, Tensile) Modulus, GPa 44
73
Elongation at Break, % 2.2
1.6
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 270
220

Thermal Properties

Latent Heat of Fusion, J/g 340
390
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 610
680
Melting Onset (Solidus), °C 550
550
Specific Heat Capacity, J/kg-K 980
870
Thermal Conductivity, W/m-K 110
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 80
12
Density, g/cm3 1.9
3.1
Embodied Carbon, kg CO2/kg material 27
8.3
Embodied Energy, MJ/kg 210
150

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
45
Strength to Weight: Axial, points 40
20
Strength to Weight: Bending, points 49
26
Thermal Diffusivity, mm2/s 61
52
Thermal Shock Resistance, points 17
9.3

Alloy Composition


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Aluminum (Al), % 0
89.3 to 93.1
Chromium (Cr), % 0
0.15 to 0.25
Copper (Cu), % 0.050 to 0.1
3.7 to 4.5
Iron (Fe), % 0 to 0.010
0 to 0.8
Magnesium (Mg), % 93.8 to 96.8
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
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
0.070 to 0.2
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15