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EN-MC21310 Magnesium vs. 5182 Aluminum

EN-MC21310 magnesium belongs to the magnesium alloys classification, while 5182 aluminum belongs to the aluminum 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 EN-MC21310 magnesium and the bottom bar is 5182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 9.0
1.1 to 12
Fatigue Strength, MPa 86
100 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
25
Shear Strength, MPa 120
170 to 240
Tensile Strength: Ultimate (UTS), MPa 200
280 to 420
Tensile Strength: Yield (Proof), MPa 120
130 to 360

Thermal Properties

Latent Heat of Fusion, J/g 360
390
Maximum Temperature: Mechanical, °C 100
180
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 560
590
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 89
130
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
28
Electrical Conductivity: Equal Weight (Specific), % IACS 120
94

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
2.7
Embodied Carbon, kg CO2/kg material 23
8.9
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 970
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
2.6 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 160
120 to 950
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 73
51
Strength to Weight: Axial, points 34
29 to 44
Strength to Weight: Bending, points 47
36 to 47
Thermal Diffusivity, mm2/s 55
53
Thermal Shock Resistance, points 12
12 to 19

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
93.2 to 95.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.010
0 to 0.15
Iron (Fe), % 0 to 0.0050
0 to 0.35
Magnesium (Mg), % 95.2 to 97.4
4.0 to 5.0
Manganese (Mn), % 0.1 to 0.7
0.2 to 0.5
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0.7 to 1.2
0 to 0.2
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0 to 0.010
0 to 0.15