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WE43B Magnesium vs. 380.0 Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while 380.0 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 380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
74
Elongation at Break, % 2.2
3.0
Fatigue Strength, MPa 110
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
28
Shear Strength, MPa 140
190
Tensile Strength: Ultimate (UTS), MPa 250
320
Tensile Strength: Yield (Proof), MPa 200
160

Thermal Properties

Latent Heat of Fusion, J/g 330
510
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 550
540
Specific Heat Capacity, J/kg-K 960
870
Thermal Conductivity, W/m-K 51
100
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 53
83

Otherwise Unclassified Properties

Base Metal Price, % relative 34
10
Density, g/cm3 1.9
2.9
Embodied Carbon, kg CO2/kg material 28
7.5
Embodied Energy, MJ/kg 250
140
Embodied Water, L/kg 910
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
8.0
Resilience: Unit (Modulus of Resilience), kJ/m3 430
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
48
Strength to Weight: Axial, points 36
31
Strength to Weight: Bending, points 46
36
Thermal Diffusivity, mm2/s 28
40
Thermal Shock Resistance, points 15
14

Alloy Composition


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Aluminum (Al), % 0
79.6 to 89.5
Copper (Cu), % 0 to 0.020
3.0 to 4.0
Iron (Fe), % 0 to 0.010
0 to 2.0
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0 to 0.1
Manganese (Mn), % 0 to 0.030
0 to 0.5
Nickel (Ni), % 0 to 0.0050
0 to 0.5
Silicon (Si), % 0
7.5 to 9.5
Tin (Sn), % 0
0 to 0.35
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 3.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.5