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EZ33A Magnesium vs. AWS BAu-5

EZ33A magnesium belongs to the magnesium alloys classification, while AWS BAu-5 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (19, 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 EZ33A magnesium and the bottom bar is AWS BAu-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
140
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 17
50
Tensile Strength: Ultimate (UTS), MPa 150
210

Thermal Properties

Latent Heat of Fusion, J/g 330
180
Melting Completion (Liquidus), °C 640
1170
Melting Onset (Solidus), °C 570
1140
Specific Heat Capacity, J/kg-K 970
280
Thermal Expansion, µm/m-K 27
12

Otherwise Unclassified Properties

Density, g/cm3 1.9
13

Common Calculations

Stiffness to Weight: Axial, points 13
5.8
Stiffness to Weight: Bending, points 61
13
Strength to Weight: Axial, points 22
4.5
Strength to Weight: Bending, points 33
6.0
Thermal Shock Resistance, points 9.2
9.0

Alloy Composition

Copper (Cu), % 0 to 0.1
0
Gold (Au), % 0
29.5 to 30.5
Magnesium (Mg), % 91.5 to 95
0
Nickel (Ni), % 0 to 0.010
35.5 to 36.4
Palladium (Pd), % 0
33.5 to 34.5
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.1
0
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0
0 to 0.15