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R30605 Cobalt vs. Grade 3 Babbitt Metal

R30605 cobalt belongs to the cobalt alloys classification, while grade 3 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 (14, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
7.5 to 8.5
Arsenic (As), % 0
0 to 0.1
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 57
0
Copper (Cu), % 0
7.5 to 8.5
Iron (Fe), % 0 to 3.0
0 to 0.080
Lead (Pb), % 0
0 to 0.35
Manganese (Mn), % 1.0 to 2.0
0
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
82.3 to 85
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 0.0050