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WE43B Magnesium vs. 5182 Aluminum

WE43B 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 WE43B magnesium and the bottom bar is 5182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.2
1.1 to 12
Fatigue Strength, MPa 110
100 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
25
Shear Strength, MPa 140
170 to 240
Tensile Strength: Ultimate (UTS), MPa 250
280 to 420
Tensile Strength: Yield (Proof), MPa 200
130 to 360

Thermal Properties

Latent Heat of Fusion, J/g 330
390
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 550
590
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 51
130
Thermal Expansion, µm/m-K 27
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
28
Electrical Conductivity: Equal Weight (Specific), % IACS 53
94

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
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
2.6 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 430
120 to 950
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
51
Strength to Weight: Axial, points 36
29 to 44
Strength to Weight: Bending, points 46
36 to 47
Thermal Diffusivity, mm2/s 28
53
Thermal Shock Resistance, points 15
12 to 19

Alloy Composition


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Aluminum (Al), % 0
93.2 to 95.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.020
0 to 0.15
Iron (Fe), % 0 to 0.010
0 to 0.35
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
4.0 to 5.0
Manganese (Mn), % 0 to 0.030
0.2 to 0.5
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 0
0 to 0.1
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