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EN-MC32110 Magnesium vs. 5457 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 5457 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC32110 magnesium and the bottom bar is 5457 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
32 to 55
Elastic (Young's, Tensile) Modulus, GPa 49
68
Elongation at Break, % 2.2
6.0 to 22
Fatigue Strength, MPa 80
55 to 98
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
26
Shear Strength, MPa 120
85 to 130
Tensile Strength: Ultimate (UTS), MPa 220
130 to 210
Tensile Strength: Yield (Proof), MPa 140
50 to 190

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 99
180
Melting Completion (Liquidus), °C 600
660
Melting Onset (Solidus), °C 500
630
Specific Heat Capacity, J/kg-K 950
900
Thermal Conductivity, W/m-K 120
180
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
46
Electrical Conductivity: Equal Weight (Specific), % IACS 140
150

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 2.1
2.7
Embodied Carbon, kg CO2/kg material 22
8.4
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 920
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 210
18 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
50
Strength to Weight: Axial, points 29
13 to 21
Strength to Weight: Bending, points 38
21 to 28
Thermal Diffusivity, mm2/s 58
72
Thermal Shock Resistance, points 12
5.7 to 9.0

Alloy Composition


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Aluminum (Al), % 0 to 0.2
97.8 to 99.05
Copper (Cu), % 2.4 to 3.0
0 to 0.2
Iron (Fe), % 0 to 0.050
0 to 0.1
Magnesium (Mg), % 89.3 to 91.9
0.8 to 1.2
Manganese (Mn), % 0.25 to 0.75
0.15 to 0.45
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0 to 0.080
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 5.5 to 6.5
0 to 0.050
Residuals, % 0 to 0.010
0 to 0.1