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WE43B Magnesium vs. 5083 Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while 5083 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is WE43B magnesium and the bottom bar is 5083 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.2
1.1 to 17
Fatigue Strength, MPa 110
93 to 190
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 140
170 to 220
Tensile Strength: Ultimate (UTS), MPa 250
290 to 390
Tensile Strength: Yield (Proof), MPa 200
110 to 340

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 550
580
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 51
120
Thermal Expansion, µm/m-K 27
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
29
Electrical Conductivity: Equal Weight (Specific), % IACS 53
96

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 28
8.9
Embodied Energy, MJ/kg 250
150
Embodied Water, L/kg 910
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
4.2 to 42
Resilience: Unit (Modulus of Resilience), kJ/m3 430
95 to 860
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
50
Strength to Weight: Axial, points 36
29 to 40
Strength to Weight: Bending, points 46
36 to 44
Thermal Diffusivity, mm2/s 28
48
Thermal Shock Resistance, points 15
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 0.020
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.4
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
4.0 to 4.9
Manganese (Mn), % 0 to 0.030
0.4 to 1.0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 0.4
Titanium (Ti), % 0
0 to 0.15
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0 to 0.25
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15