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ISO-WD43150 Magnesium vs. AWS BAg-13a

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while AWS BAg-13a belongs to the otherwise unclassified metals. 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 ISO-WD43150 magnesium and the bottom bar is AWS BAg-13a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
92
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 18
34
Tensile Strength: Ultimate (UTS), MPa 250
180

Thermal Properties

Latent Heat of Fusion, J/g 350
160
Melting Completion (Liquidus), °C 610
890
Melting Onset (Solidus), °C 590
770
Specific Heat Capacity, J/kg-K 990
300
Thermal Expansion, µm/m-K 27
19

Otherwise Unclassified Properties

Density, g/cm3 1.7
9.8
Embodied Carbon, kg CO2/kg material 24
54
Embodied Energy, MJ/kg 160
850

Common Calculations

Stiffness to Weight: Axial, points 15
5.2
Stiffness to Weight: Bending, points 71
15
Strength to Weight: Axial, points 41
5.1
Strength to Weight: Bending, points 52
7.2
Thermal Shock Resistance, points 14
7.5

Alloy Composition

Copper (Cu), % 0 to 0.050
40.4 to 43.5
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
1.5 to 2.5
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
55 to 57
Residuals, % 0 to 0.3
0 to 0.15