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WE43B Magnesium vs. EN AC-43000 Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while EN AC-43000 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-43000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
71
Elongation at Break, % 2.2
1.1 to 2.5
Fatigue Strength, MPa 110
68 to 76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 250
180 to 270
Tensile Strength: Yield (Proof), MPa 200
97 to 230

Thermal Properties

Latent Heat of Fusion, J/g 330
540
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 550
590
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 51
140
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
38
Electrical Conductivity: Equal Weight (Specific), % IACS 53
130

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 28
7.8
Embodied Energy, MJ/kg 250
150
Embodied Water, L/kg 910
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
2.9 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 430
66 to 360
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 61
54
Strength to Weight: Axial, points 36
20 to 29
Strength to Weight: Bending, points 46
28 to 36
Thermal Diffusivity, mm2/s 28
60
Thermal Shock Resistance, points 15
8.6 to 12

Alloy Composition


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Aluminum (Al), % 0
87 to 90.8
Copper (Cu), % 0 to 0.020
0 to 0.050
Iron (Fe), % 0 to 0.010
0 to 0.55
Lead (Pb), % 0
0 to 0.050
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0.2 to 0.45
Manganese (Mn), % 0 to 0.030
0 to 0.45
Nickel (Ni), % 0 to 0.0050
0 to 0.050
Silicon (Si), % 0
9.0 to 11
Tin (Sn), % 0
0 to 0.050
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 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15