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WE43B Magnesium vs. 4032 Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while 4032 aluminum belongs to the aluminum alloys. There are 30 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 WE43B magnesium and the bottom bar is 4032 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
73
Elongation at Break, % 2.2
6.7
Fatigue Strength, MPa 110
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
28
Shear Strength, MPa 140
260
Tensile Strength: Ultimate (UTS), MPa 250
390
Tensile Strength: Yield (Proof), MPa 200
320

Thermal Properties

Latent Heat of Fusion, J/g 330
570
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
570
Melting Onset (Solidus), °C 550
530
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 51
140
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
34
Electrical Conductivity: Equal Weight (Specific), % IACS 53
120

Otherwise Unclassified Properties

Base Metal Price, % relative 34
10
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 28
7.8
Embodied Energy, MJ/kg 250
140
Embodied Water, L/kg 910
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
25
Resilience: Unit (Modulus of Resilience), kJ/m3 430
700
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 61
53
Strength to Weight: Axial, points 36
41
Strength to Weight: Bending, points 46
45
Thermal Diffusivity, mm2/s 28
59
Thermal Shock Resistance, points 15
20

Alloy Composition


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Aluminum (Al), % 0
81.1 to 87.2
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.020
0.5 to 1.3
Iron (Fe), % 0 to 0.010
0 to 1.0
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0.8 to 1.3
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.0050
0.5 to 1.3
Silicon (Si), % 0
11 to 13.5
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