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WE43B Magnesium vs. EN AC-46100 Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while EN AC-46100 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is WE43B magnesium and the bottom bar is EN AC-46100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
73
Elongation at Break, % 2.2
1.0
Fatigue Strength, MPa 110
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
28
Tensile Strength: Ultimate (UTS), MPa 250
270
Tensile Strength: Yield (Proof), MPa 200
160

Thermal Properties

Latent Heat of Fusion, J/g 330
550
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 550
540
Specific Heat Capacity, J/kg-K 960
890
Thermal Conductivity, W/m-K 51
110
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
28
Electrical Conductivity: Equal Weight (Specific), % IACS 53
90

Otherwise Unclassified Properties

Base Metal Price, % relative 34
10
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 28
7.6
Embodied Energy, MJ/kg 250
140
Embodied Water, L/kg 910
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 430
170
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 61
51
Strength to Weight: Axial, points 36
27
Strength to Weight: Bending, points 46
34
Thermal Diffusivity, mm2/s 28
44
Thermal Shock Resistance, points 15
12

Alloy Composition


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Aluminum (Al), % 0
80.4 to 88.5
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0 to 0.020
1.5 to 2.5
Iron (Fe), % 0 to 0.010
0 to 1.1
Lead (Pb), % 0
0 to 0.25
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0 to 0.3
Manganese (Mn), % 0 to 0.030
0 to 0.55
Nickel (Ni), % 0 to 0.0050
0 to 0.45
Silicon (Si), % 0
10 to 12
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
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 1.7
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.25