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WE43B Magnesium vs. 6105 Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while 6105 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is WE43B magnesium and the bottom bar is 6105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.2
9.0 to 16
Fatigue Strength, MPa 110
95 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 140
120 to 170
Tensile Strength: Ultimate (UTS), MPa 250
190 to 280
Tensile Strength: Yield (Proof), MPa 200
120 to 270

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 550
600
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 51
180 to 190
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
46 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 53
150 to 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
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
25 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 430
100 to 550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
51
Strength to Weight: Axial, points 36
20 to 29
Strength to Weight: Bending, points 46
28 to 35
Thermal Diffusivity, mm2/s 28
72 to 79
Thermal Shock Resistance, points 15
8.6 to 12

Alloy Composition


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Aluminum (Al), % 0
97.2 to 99
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.020
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.35
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0.45 to 0.8
Manganese (Mn), % 0 to 0.030
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0
0.6 to 1.0
Titanium (Ti), % 0
0 to 0.1
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