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Grade 3 Babbitt Metal vs. QE22A Magnesium

Grade 3 Babbitt Metal belongs to the otherwise unclassified metals classification, while QE22A magnesium belongs to the magnesium alloys. There are 17 material properties with values for both materials. Properties with values for just one material (17, 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 grade 3 Babbitt Metal and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 27
80
Compressive (Crushing) Strength, MPa 120
350
Elastic (Young's, Tensile) Modulus, GPa 56
44
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 21
17
Tensile Strength: Yield (Proof), MPa 46
190

Thermal Properties

Latent Heat of Fusion, J/g 79
340
Melting Completion (Liquidus), °C 420
640
Melting Onset (Solidus), °C 240
570
Specific Heat Capacity, J/kg-K 230
970
Thermal Expansion, µm/m-K 21
27

Otherwise Unclassified Properties

Density, g/cm3 7.4
2.0
Embodied Carbon, kg CO2/kg material 12
27
Embodied Energy, MJ/kg 200
220

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 19
400
Stiffness to Weight: Axial, points 4.2
13
Stiffness to Weight: Bending, points 17
60

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 7.5 to 8.5
0
Arsenic (As), % 0 to 0.1
0
Bismuth (Bi), % 0 to 0.080
0
Cadmium (Cd), % 0 to 0.050
0
Copper (Cu), % 7.5 to 8.5
0 to 0.1
Iron (Fe), % 0 to 0.080
0
Lead (Pb), % 0 to 0.35
0
Magnesium (Mg), % 0
93.1 to 95.8
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
2.0 to 3.0
Tin (Sn), % 82.3 to 85
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zinc (Zn), % 0 to 0.0050
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3