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EN-MC65120 Magnesium vs. 5083 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 5083 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 5083 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
75 to 110
Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 3.1
1.1 to 17
Fatigue Strength, MPa 80
93 to 190
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 92
170 to 220
Tensile Strength: Ultimate (UTS), MPa 160
290 to 390
Tensile Strength: Yield (Proof), MPa 110
110 to 340

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
580
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
29
Electrical Conductivity: Equal Weight (Specific), % IACS 120
96

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
8.9
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
4.2 to 42
Resilience: Unit (Modulus of Resilience), kJ/m3 140
95 to 860
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 23
29 to 40
Strength to Weight: Bending, points 34
36 to 44
Thermal Diffusivity, mm2/s 56
48
Thermal Shock Resistance, points 9.8
12 to 17

Alloy Composition


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Aluminum (Al), % 0
92.4 to 95.6
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 0.4
Magnesium (Mg), % 91.8 to 95.1
4.0 to 4.9
Manganese (Mn), % 0 to 0.15
0.4 to 1.0
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