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EN-MC65120 Magnesium vs. 5086 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 5086 aluminum belongs to the aluminum alloys. There are 31 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-MC65120 magnesium and the bottom bar is 5086 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
65 to 100
Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 3.1
1.7 to 20
Fatigue Strength, MPa 80
88 to 180
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 92
160 to 230
Tensile Strength: Ultimate (UTS), MPa 160
270 to 390
Tensile Strength: Yield (Proof), MPa 110
110 to 320

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 590
640
Melting Onset (Solidus), °C 520
590
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
31
Electrical Conductivity: Equal Weight (Specific), % IACS 120
100

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
8.8
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
5.8 to 42
Resilience: Unit (Modulus of Resilience), kJ/m3 140
86 to 770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 23
28 to 40
Strength to Weight: Bending, points 34
34 to 44
Thermal Diffusivity, mm2/s 56
52
Thermal Shock Resistance, points 9.8
12 to 17

Alloy Composition


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Aluminum (Al), % 0
93 to 96.3
Chromium (Cr), % 0
0.050 to 0.25
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.5
Magnesium (Mg), % 91.8 to 95.1
3.5 to 4.5
Manganese (Mn), % 0 to 0.15
0.2 to 0.7
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.4
Titanium (Ti), % 0
0 to 0.15
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