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WE43B Magnesium vs. 515.0 Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while 515.0 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is WE43B magnesium and the bottom bar is 515.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
70
Elongation at Break, % 2.2
10
Fatigue Strength, MPa 110
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 140
190
Tensile Strength: Ultimate (UTS), MPa 250
280

Thermal Properties

Latent Heat of Fusion, J/g 330
470
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
620
Melting Onset (Solidus), °C 550
620
Specific Heat Capacity, J/kg-K 960
900
Thermal Expansion, µm/m-K 27
23

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 28
8.4
Embodied Energy, MJ/kg 250
150
Embodied Water, L/kg 910
1120

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 61
52
Strength to Weight: Axial, points 36
30
Strength to Weight: Bending, points 46
36
Thermal Shock Resistance, points 15
13

Alloy Composition


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Aluminum (Al), % 0
93.6 to 96.6
Copper (Cu), % 0 to 0.020
0 to 0.2
Iron (Fe), % 0 to 0.010
0 to 1.3
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
2.5 to 4.0
Manganese (Mn), % 0 to 0.030
0.4 to 0.6
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0
0.5 to 10
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