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WE43B Magnesium vs. 2095 Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while 2095 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 2095 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
70
Elongation at Break, % 2.2
8.5
Fatigue Strength, MPa 110
200
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 140
410
Tensile Strength: Ultimate (UTS), MPa 250
700
Tensile Strength: Yield (Proof), MPa 200
610

Thermal Properties

Latent Heat of Fusion, J/g 330
390
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 550
540
Specific Heat Capacity, J/kg-K 960
910
Thermal Conductivity, W/m-K 51
130
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
35
Electrical Conductivity: Equal Weight (Specific), % IACS 53
110

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 1.9
3.0
Embodied Carbon, kg CO2/kg material 28
8.6
Embodied Energy, MJ/kg 250
160
Embodied Water, L/kg 910
1470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
57
Resilience: Unit (Modulus of Resilience), kJ/m3 430
2640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 61
46
Strength to Weight: Axial, points 36
65
Strength to Weight: Bending, points 46
59
Thermal Diffusivity, mm2/s 28
49
Thermal Shock Resistance, points 15
31

Alloy Composition


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Aluminum (Al), % 0
91.3 to 94.9
Copper (Cu), % 0 to 0.020
3.9 to 4.6
Iron (Fe), % 0 to 0.010
0 to 0.15
Lithium (Li), % 0 to 0.2
0.7 to 1.5
Magnesium (Mg), % 89.8 to 93.5
0.25 to 0.8
Manganese (Mn), % 0 to 0.030
0 to 0.25
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 0.12
Silver (Ag), % 0
0.25 to 0.6
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 0.25
Zirconium (Zr), % 0.4 to 1.0
0.040 to 0.18
Residuals, % 0
0 to 0.15