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EN-MC21310 Magnesium vs. 5110A Aluminum

EN-MC21310 magnesium belongs to the magnesium alloys classification, while 5110A aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN-MC21310 magnesium and the bottom bar is 5110A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 9.0
4.5 to 28
Fatigue Strength, MPa 86
37 to 77
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 120
66 to 110
Tensile Strength: Ultimate (UTS), MPa 200
100 to 190
Tensile Strength: Yield (Proof), MPa 120
32 to 170

Thermal Properties

Latent Heat of Fusion, J/g 360
400
Maximum Temperature: Mechanical, °C 100
180
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 560
640
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 89
220
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
57
Electrical Conductivity: Equal Weight (Specific), % IACS 120
190

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
2.7
Embodied Carbon, kg CO2/kg material 23
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 970
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
6.8 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 160
7.6 to 200
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 73
50
Strength to Weight: Axial, points 34
10 to 19
Strength to Weight: Bending, points 47
18 to 27
Thermal Diffusivity, mm2/s 55
91
Thermal Shock Resistance, points 12
4.5 to 8.4

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
98.5 to 99.8
Copper (Cu), % 0 to 0.010
0 to 0.2
Iron (Fe), % 0 to 0.0050
0 to 0.25
Magnesium (Mg), % 95.2 to 97.4
0.2 to 0.6
Manganese (Mn), % 0.1 to 0.7
0 to 0.2
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0.7 to 1.2
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.030
Residuals, % 0 to 0.010
0 to 0.1