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WE43B Magnesium vs. AWS BAu-6

WE43B magnesium belongs to the magnesium alloys classification, while AWS BAu-6 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is WE43B magnesium and the bottom bar is AWS BAu-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 17
43
Tensile Strength: Ultimate (UTS), MPa 250
190

Thermal Properties

Latent Heat of Fusion, J/g 330
120
Melting Completion (Liquidus), °C 640
1050
Melting Onset (Solidus), °C 550
1010
Specific Heat Capacity, J/kg-K 960
210
Thermal Expansion, µm/m-K 27
13

Otherwise Unclassified Properties

Density, g/cm3 1.9
16

Common Calculations

Stiffness to Weight: Axial, points 13
4.0
Stiffness to Weight: Bending, points 61
10
Strength to Weight: Axial, points 36
3.2
Strength to Weight: Bending, points 46
4.5
Thermal Shock Resistance, points 15
8.5

Alloy Composition


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Copper (Cu), % 0 to 0.020
0
Gold (Au), % 0
69.5 to 70.5
Iron (Fe), % 0 to 0.010
0
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.0050
21.5 to 22.5
Palladium (Pd), % 0
7.5 to 8.5
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15