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AWS BAu-5 vs. EN-MC35110 Magnesium

AWS BAu-5 belongs to the otherwise unclassified metals classification, while EN-MC35110 magnesium belongs to the magnesium alloys. 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 AWS BAu-5 and the bottom bar is EN-MC35110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
45
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 50
18
Tensile Strength: Ultimate (UTS), MPa 210
230

Thermal Properties

Latent Heat of Fusion, J/g 180
330
Melting Completion (Liquidus), °C 1170
600
Melting Onset (Solidus), °C 1140
520
Specific Heat Capacity, J/kg-K 280
970
Thermal Expansion, µm/m-K 12
26

Otherwise Unclassified Properties

Density, g/cm3 13
1.9

Common Calculations

Stiffness to Weight: Axial, points 5.8
13
Stiffness to Weight: Bending, points 13
63
Strength to Weight: Axial, points 4.5
34
Strength to Weight: Bending, points 6.0
44
Thermal Shock Resistance, points 9.0
14

Alloy Composition

Copper (Cu), % 0
0 to 0.030
Gold (Au), % 29.5 to 30.5
0
Iron (Fe), % 0
0 to 0.010
Magnesium (Mg), % 0
92 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 35.5 to 36.4
0 to 0.0050
Palladium (Pd), % 33.5 to 34.5
0
Silicon (Si), % 0
0 to 0.010
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010