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5082 Aluminum vs. EN-MC32110 Magnesium

5082 aluminum belongs to the aluminum alloys classification, while EN-MC32110 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5082 aluminum and the bottom bar is EN-MC32110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
49
Elongation at Break, % 1.1
2.2
Fatigue Strength, MPa 110 to 130
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
19
Shear Strength, MPa 210 to 230
120
Tensile Strength: Ultimate (UTS), MPa 380 to 400
220
Tensile Strength: Yield (Proof), MPa 300 to 340
140

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 180
99
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 560
500
Specific Heat Capacity, J/kg-K 910
950
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
32
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
2.1
Embodied Carbon, kg CO2/kg material 8.9
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 4.3
4.3
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 870
210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
58
Strength to Weight: Axial, points 39 to 41
29
Strength to Weight: Bending, points 43 to 45
38
Thermal Diffusivity, mm2/s 54
58
Thermal Shock Resistance, points 17 to 18
12

Alloy Composition

Aluminum (Al), % 93.5 to 96
0 to 0.2
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
2.4 to 3.0
Iron (Fe), % 0 to 0.35
0 to 0.050
Magnesium (Mg), % 4.0 to 5.0
89.3 to 91.9
Manganese (Mn), % 0 to 0.15
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
5.5 to 6.5
Residuals, % 0
0 to 0.010