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5454 Aluminum vs. EN-MC65120 Magnesium

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

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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