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WE43B Magnesium vs. AWS BVAu-7

WE43B magnesium belongs to the magnesium alloys classification, while AWS BVAu-7 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 BVAu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
130
Poisson's Ratio 0.29
0.38
Shear Modulus, GPa 17
45
Tensile Strength: Ultimate (UTS), MPa 250
200

Thermal Properties

Latent Heat of Fusion, J/g 330
140
Melting Completion (Liquidus), °C 640
1120
Melting Onset (Solidus), °C 550
1100
Specific Heat Capacity, J/kg-K 960
240
Thermal Expansion, µm/m-K 27
13

Otherwise Unclassified Properties

Density, g/cm3 1.9
15

Common Calculations

Stiffness to Weight: Axial, points 13
4.7
Stiffness to Weight: Bending, points 61
11
Strength to Weight: Axial, points 36
3.7
Strength to Weight: Bending, points 46
5.1
Thermal Shock Resistance, points 15
8.9

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Cobalt (Co), % 0
0 to 0.060
Copper (Cu), % 0 to 0.020
0
Gold (Au), % 0
49.5 to 50.5
Iron (Fe), % 0 to 0.010
0
Lead (Pb), % 0
0 to 0.0020
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
24.5 to 25.5
Palladium (Pd), % 0
23.9 to 26
Phosphorus (P), % 0
0 to 0.0020
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 0.0010
Zirconium (Zr), % 0.4 to 1.0
0