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ISO-WD43150 Magnesium vs. AWS BAg-28

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while AWS BAg-28 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-28.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
88
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
33
Tensile Strength: Ultimate (UTS), MPa 250
150

Thermal Properties

Latent Heat of Fusion, J/g 350
140
Melting Completion (Liquidus), °C 610
710
Melting Onset (Solidus), °C 590
650
Specific Heat Capacity, J/kg-K 990
320
Thermal Expansion, µm/m-K 27
21

Otherwise Unclassified Properties

Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 24
40
Embodied Energy, MJ/kg 160
630

Common Calculations

Stiffness to Weight: Axial, points 15
5.6
Stiffness to Weight: Bending, points 71
17
Strength to Weight: Axial, points 41
4.7
Strength to Weight: Bending, points 52
7.1
Thermal Shock Resistance, points 14
5.8

Alloy Composition

Copper (Cu), % 0 to 0.050
29 to 31
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
39 to 41
Tin (Sn), % 0
1.5 to 2.5
Zinc (Zn), % 0
26 to 30
Residuals, % 0 to 0.3
0 to 0.15