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WE54A Magnesium vs. AWS BVAg-0

WE54A magnesium belongs to the magnesium alloys classification, while AWS BVAg-0 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (18, 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 WE54A magnesium and the bottom bar is AWS BVAg-0.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
71
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 270 to 300
130

Thermal Properties

Latent Heat of Fusion, J/g 330
110
Melting Completion (Liquidus), °C 640
960
Melting Onset (Solidus), °C 570
960
Specific Heat Capacity, J/kg-K 960
240
Thermal Expansion, µm/m-K 25
20

Otherwise Unclassified Properties

Density, g/cm3 1.9
10

Common Calculations

Stiffness to Weight: Axial, points 13
3.8
Stiffness to Weight: Bending, points 62
13
Strength to Weight: Axial, points 39 to 43
3.4
Strength to Weight: Bending, points 49 to 51
5.4
Thermal Shock Resistance, points 18 to 19
6.6

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.030
0 to 0.050
Iron (Fe), % 0 to 0.010
0
Lead (Pb), % 0
0 to 0.0020
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.7 to 93.4
0
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.0020
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 0
99.95 to 100
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0 to 0.0010
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0