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ISO-WD43150 Magnesium vs. Grade 15 Babbitt Metal

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while grade 15 Babbitt Metal 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-WD43150 magnesium and the bottom bar is grade 15 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
23
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 18
8.2

Thermal Properties

Latent Heat of Fusion, J/g 350
46
Melting Completion (Liquidus), °C 610
280
Melting Onset (Solidus), °C 590
250
Specific Heat Capacity, J/kg-K 990
140
Thermal Expansion, µm/m-K 27
26

Otherwise Unclassified Properties

Base Metal Price, % relative 12
17
Density, g/cm3 1.7
10
Embodied Carbon, kg CO2/kg material 24
3.6
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 970
840

Common Calculations

Stiffness to Weight: Axial, points 15
1.2
Stiffness to Weight: Bending, points 71
9.0

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
14.5 to 17.5
Arsenic (As), % 0
0.8 to 1.4
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 0 to 0.050
0 to 0.6
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
79 to 83.9
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
Tin (Sn), % 0
0.8 to 1.2
Zinc (Zn), % 0
0 to 0.0050
Residuals, % 0 to 0.3
0