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WE43B Magnesium vs. 5005A Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while 5005A 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 5005A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.2
1.1 to 21
Fatigue Strength, MPa 110
38 to 82
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 140
71 to 130
Tensile Strength: Ultimate (UTS), MPa 250
110 to 230
Tensile Strength: Yield (Proof), MPa 200
43 to 210

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 550
630
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 51
200
Thermal Expansion, µm/m-K 27
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
52
Electrical Conductivity: Equal Weight (Specific), % IACS 53
170

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 28
8.3
Embodied Energy, MJ/kg 250
150
Embodied Water, L/kg 910
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
2.0 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 430
14 to 310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
50
Strength to Weight: Axial, points 36
12 to 24
Strength to Weight: Bending, points 46
19 to 31
Thermal Diffusivity, mm2/s 28
82
Thermal Shock Resistance, points 15
5.0 to 10

Alloy Composition


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Aluminum (Al), % 0
97.5 to 99.3
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.020
0 to 0.050
Iron (Fe), % 0 to 0.010
0 to 0.45
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0.7 to 1.1
Manganese (Mn), % 0 to 0.030
0 to 0.15
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 0.3
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 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15