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EN-MC32110 Magnesium vs. 5456 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 5456 aluminum belongs to the aluminum alloys. There are 30 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 EN-MC32110 magnesium and the bottom bar is 5456 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
68
Elongation at Break, % 2.2
11 to 18
Fatigue Strength, MPa 80
130 to 210
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
26
Shear Strength, MPa 120
190 to 210
Tensile Strength: Ultimate (UTS), MPa 220
320 to 340
Tensile Strength: Yield (Proof), MPa 140
150 to 250

Thermal Properties

Latent Heat of Fusion, J/g 330
390
Maximum Temperature: Mechanical, °C 99
190
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 500
570
Specific Heat Capacity, J/kg-K 950
900
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
29
Electrical Conductivity: Equal Weight (Specific), % IACS 140
97

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 2.1
2.7
Embodied Carbon, kg CO2/kg material 22
9.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 920
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
33 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 210
170 to 470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
50
Strength to Weight: Axial, points 29
33 to 35
Strength to Weight: Bending, points 38
38 to 40
Thermal Diffusivity, mm2/s 58
48
Thermal Shock Resistance, points 12
14 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.2
92 to 94.8
Chromium (Cr), % 0
0.050 to 0.2
Copper (Cu), % 2.4 to 3.0
0 to 0.1
Iron (Fe), % 0 to 0.050
0 to 0.4
Magnesium (Mg), % 89.3 to 91.9
4.7 to 5.5
Manganese (Mn), % 0.25 to 0.75
0.5 to 1.0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0 to 0.25
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 5.5 to 6.5
0 to 0.25
Residuals, % 0
0 to 0.15