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EN-MC65120 Magnesium vs. 5454 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 5454 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is 5454 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
61 to 93
Elastic (Young's, Tensile) Modulus, GPa 45
69
Elongation at Break, % 3.1
2.3 to 18
Fatigue Strength, MPa 80
83 to 160
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 92
140 to 200
Tensile Strength: Ultimate (UTS), MPa 160
230 to 350
Tensile Strength: Yield (Proof), MPa 110
97 to 290

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 590
650
Melting Onset (Solidus), °C 520
600
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
130
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
34
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
8.6
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
6.3 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 140
68 to 590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 23
23 to 36
Strength to Weight: Bending, points 34
30 to 41
Thermal Diffusivity, mm2/s 56
55
Thermal Shock Resistance, points 9.8
10 to 16

Alloy Composition


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Aluminum (Al), % 0
94.5 to 97.1
Chromium (Cr), % 0
0.050 to 0.2
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.4
Magnesium (Mg), % 91.8 to 95.1
2.4 to 3.0
Manganese (Mn), % 0 to 0.15
0.5 to 1.0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.25
Titanium (Ti), % 0
0 to 0.2
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.25
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15