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ISO-WD32250 Magnesium vs. AWS BAu-6

ISO-WD32250 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 (16, 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 ISO-WD32250 magnesium and the bottom bar is AWS BAu-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 17
43
Tensile Strength: Ultimate (UTS), MPa 310 to 330
190

Thermal Properties

Latent Heat of Fusion, J/g 340
120
Melting Completion (Liquidus), °C 600
1050
Melting Onset (Solidus), °C 550
1010
Specific Heat Capacity, J/kg-K 980
210
Thermal Expansion, µm/m-K 26
13

Otherwise Unclassified Properties

Density, g/cm3 1.8
16

Common Calculations

Stiffness to Weight: Axial, points 14
4.0
Stiffness to Weight: Bending, points 67
10
Strength to Weight: Axial, points 49 to 51
3.2
Strength to Weight: Bending, points 58 to 60
4.5
Thermal Shock Resistance, points 19 to 20
8.5

Alloy Composition


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Gold (Au), % 0
69.5 to 70.5
Magnesium (Mg), % 94.9 to 97.1
0
Nickel (Ni), % 0
21.5 to 22.5
Palladium (Pd), % 0
7.5 to 8.5
Zinc (Zn), % 2.5 to 4.0
0
Zirconium (Zr), % 0.45 to 0.8
0
Residuals, % 0 to 0.3
0 to 0.15