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R31539 Cobalt vs. Grade 15 Babbitt Metal

R31539 cobalt belongs to the cobalt alloys classification, while grade 15 Babbitt Metal belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is R31539 cobalt and the bottom bar is grade 15 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
23
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 86
8.2

Thermal Properties

Latent Heat of Fusion, J/g 320
46
Melting Completion (Liquidus), °C 1360
280
Melting Onset (Solidus), °C 1290
250
Specific Heat Capacity, J/kg-K 450
140
Thermal Expansion, µm/m-K 13
26

Otherwise Unclassified Properties

Density, g/cm3 8.4
10
Embodied Carbon, kg CO2/kg material 8.2
3.6
Embodied Energy, MJ/kg 110
47
Embodied Water, L/kg 530
840

Common Calculations

Stiffness to Weight: Axial, points 15
1.2
Stiffness to Weight: Bending, points 24
9.0

Alloy Composition

Aluminum (Al), % 0.3 to 1.0
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
Carbon (C), % 0 to 0.14
0
Chromium (Cr), % 26 to 30
0
Cobalt (Co), % 57.7 to 68.7
0
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 0 to 0.75
0 to 0.1
Lanthanum (La), % 0.030 to 0.2
0
Lead (Pb), % 0
79 to 83.9
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 1.0
0
Nitrogen (N), % 0 to 0.25
0
Silicon (Si), % 0 to 1.0
0
Tin (Sn), % 0
0.8 to 1.2
Zinc (Zn), % 0
0 to 0.0050