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AWS BAg-22 vs. ISO-WD43150 Magnesium

AWS BAg-22 belongs to the otherwise unclassified metals classification, while ISO-WD43150 magnesium belongs to the magnesium alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, 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 BAg-22 and the bottom bar is ISO-WD43150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
45
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 36
18
Tensile Strength: Ultimate (UTS), MPa 140
250

Thermal Properties

Latent Heat of Fusion, J/g 150
350
Melting Completion (Liquidus), °C 700
610
Melting Onset (Solidus), °C 680
590
Specific Heat Capacity, J/kg-K 320
990
Thermal Expansion, µm/m-K 21
27

Otherwise Unclassified Properties

Density, g/cm3 9.0
1.7
Embodied Carbon, kg CO2/kg material 48
24
Embodied Energy, MJ/kg 760
160

Common Calculations

Stiffness to Weight: Axial, points 5.9
15
Stiffness to Weight: Bending, points 17
71
Strength to Weight: Axial, points 4.3
41
Strength to Weight: Bending, points 6.6
52
Thermal Shock Resistance, points 5.1
14

Alloy Composition


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Copper (Cu), % 15 to 17
0 to 0.050
Magnesium (Mg), % 0
97.5 to 98.8
Manganese (Mn), % 7.0 to 8.0
1.2 to 2.0
Nickel (Ni), % 4.0 to 5.0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 48 to 50
0
Zinc (Zn), % 21 to 25
0
Residuals, % 0 to 0.15
0 to 0.3