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EV31A Magnesium vs. Grade 3 Babbitt Metal

EV31A magnesium belongs to the magnesium alloys classification, while grade 3 Babbitt Metal belongs to the otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (20, 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 EV31A magnesium and the bottom bar is grade 3 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
27
Compressive (Crushing) Strength, MPa 360
120
Elastic (Young's, Tensile) Modulus, GPa 44
56
Poisson's Ratio 0.27
0.35
Shear Modulus, GPa 17
21
Tensile Strength: Yield (Proof), MPa 170
46

Thermal Properties

Melting Onset (Solidus), °C 590
240
Specific Heat Capacity, J/kg-K 1000
230
Thermal Expansion, µm/m-K 27
21

Otherwise Unclassified Properties

Density, g/cm3 1.8
7.4

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 330
19
Stiffness to Weight: Axial, points 13
4.2
Stiffness to Weight: Bending, points 65
17