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242.0 Aluminum vs. EN-MC21110 Magnesium

242.0 aluminum belongs to the aluminum alloys classification, while EN-MC21110 magnesium belongs to the magnesium alloys. There are 31 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 242.0 aluminum and the bottom bar is EN-MC21110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70 to 110
58 to 63
Elastic (Young's, Tensile) Modulus, GPa 73
46
Elongation at Break, % 0.5 to 1.5
2.8 to 6.7
Fatigue Strength, MPa 55 to 110
75 to 78
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 150 to 240
120 to 160
Tensile Strength: Ultimate (UTS), MPa 180 to 290
200 to 270
Tensile Strength: Yield (Proof), MPa 120 to 220
100 to 120

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 210
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 530
500
Specific Heat Capacity, J/kg-K 870
990
Thermal Conductivity, W/m-K 130 to 170
80
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 44
12
Electrical Conductivity: Equal Weight (Specific), % IACS 96 to 130
61

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 3.1
1.7
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.3 to 3.4
4.9 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 340
120 to 150
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
69
Strength to Weight: Axial, points 16 to 26
33 to 44
Strength to Weight: Bending, points 23 to 32
45 to 54
Thermal Diffusivity, mm2/s 50 to 62
47
Thermal Shock Resistance, points 8.0 to 13
12 to 16

Alloy Composition

Aluminum (Al), % 88.4 to 93.6
7.0 to 8.7
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 3.5 to 4.5
0 to 0.030
Iron (Fe), % 0 to 1.0
0 to 0.0050
Magnesium (Mg), % 1.2 to 1.8
89.6 to 92.6
Manganese (Mn), % 0 to 0.35
0.1 to 0.35
Nickel (Ni), % 1.7 to 2.3
0 to 0.0020
Silicon (Si), % 0 to 0.7
0 to 0.2
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0.35 to 1.0
Residuals, % 0
0 to 0.010