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WE43B Magnesium vs. EN AC-44500 Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while EN AC-44500 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-44500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
72
Elongation at Break, % 2.2
1.1
Fatigue Strength, MPa 110
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 250
270
Tensile Strength: Yield (Proof), MPa 200
160

Thermal Properties

Latent Heat of Fusion, J/g 330
570
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 550
580
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 51
130
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
33
Electrical Conductivity: Equal Weight (Specific), % IACS 53
120

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 1.9
2.5
Embodied Carbon, kg CO2/kg material 28
7.7
Embodied Energy, MJ/kg 250
140
Embodied Water, L/kg 910
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 430
180
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 61
55
Strength to Weight: Axial, points 36
29
Strength to Weight: Bending, points 46
36
Thermal Diffusivity, mm2/s 28
57
Thermal Shock Resistance, points 15
13

Alloy Composition


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Aluminum (Al), % 0
83.7 to 89.5
Copper (Cu), % 0 to 0.020
0 to 0.2
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 to 0.4
Manganese (Mn), % 0 to 0.030
0 to 0.55
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0
10.5 to 13.5
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 0.3
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.25