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EN-MC65220 Magnesium vs. 242.0 Aluminum

EN-MC65220 magnesium belongs to the magnesium alloys classification, while 242.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN-MC65220 magnesium and the bottom bar is 242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
70 to 110
Elastic (Young's, Tensile) Modulus, GPa 44
73
Elongation at Break, % 2.2
0.5 to 1.5
Fatigue Strength, MPa 110
55 to 110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 150
150 to 240
Tensile Strength: Ultimate (UTS), MPa 270
180 to 290
Tensile Strength: Yield (Proof), MPa 200
120 to 220

Thermal Properties

Latent Heat of Fusion, J/g 340
390
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 550
530
Specific Heat Capacity, J/kg-K 980
870
Thermal Conductivity, W/m-K 110
130 to 170
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
33 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 120
96 to 130

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

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
1.3 to 3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 450
110 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
45
Strength to Weight: Axial, points 40
16 to 26
Strength to Weight: Bending, points 49
23 to 32
Thermal Diffusivity, mm2/s 61
50 to 62
Thermal Shock Resistance, points 17
8.0 to 13

Alloy Composition


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Aluminum (Al), % 0
88.4 to 93.6
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0.050 to 0.1
3.5 to 4.5
Iron (Fe), % 0 to 0.010
0 to 1.0
Magnesium (Mg), % 93.8 to 96.8
1.2 to 1.8
Manganese (Mn), % 0 to 0.15
0 to 0.35
Nickel (Ni), % 0 to 0.0050
1.7 to 2.3
Silicon (Si), % 0 to 0.010
0 to 0.7
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
0 to 0.25
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.35
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15