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Grade 3 Babbitt Metal vs. R30605 Cobalt

Grade 3 Babbitt Metal belongs to the otherwise unclassified metals classification, while R30605 cobalt belongs to the cobalt alloys. There are 15 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 3 Babbitt Metal and the bottom bar is R30605 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 56
210
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 21
81
Tensile Strength: Yield (Proof), MPa 46
470 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 79
290
Melting Completion (Liquidus), °C 420
1410
Melting Onset (Solidus), °C 240
1330
Specific Heat Capacity, J/kg-K 230
410
Thermal Expansion, µm/m-K 21
12

Otherwise Unclassified Properties

Density, g/cm3 7.4
9.6
Embodied Carbon, kg CO2/kg material 12
9.8
Embodied Energy, MJ/kg 200
140
Embodied Water, L/kg 1210
450

Common Calculations

Stiffness to Weight: Axial, points 4.2
12
Stiffness to Weight: Bending, points 17
21

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
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 57
Copper (Cu), % 7.5 to 8.5
0
Iron (Fe), % 0 to 0.080
0 to 3.0
Lead (Pb), % 0 to 0.35
0
Manganese (Mn), % 0
1.0 to 2.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 82.3 to 85
0
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 0 to 0.0050
0