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Grade 7 Babbitt Metal vs. G-CoCr28 Cobalt

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while G-CoCr28 cobalt belongs to the cobalt alloys. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 7 Babbitt Metal and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 26
210
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 9.1
83
Tensile Strength: Yield (Proof), MPa 25
260

Thermal Properties

Latent Heat of Fusion, J/g 48
320
Melting Completion (Liquidus), °C 270
1330
Melting Onset (Solidus), °C 240
1270
Specific Heat Capacity, J/kg-K 150
470
Thermal Expansion, µm/m-K 26
14

Otherwise Unclassified Properties

Base Metal Price, % relative 23
100
Density, g/cm3 10
8.1
Embodied Carbon, kg CO2/kg material 4.4
6.2
Embodied Energy, MJ/kg 62
84
Embodied Water, L/kg 880
440

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 12
160
Stiffness to Weight: Axial, points 1.4
15
Stiffness to Weight: Bending, points 9.6
24

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 14 to 16
0
Arsenic (As), % 0.3 to 0.6
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 0.1
9.7 to 24.5
Lead (Pb), % 71.9 to 76.4
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.5 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 9.3 to 10.7
0
Zinc (Zn), % 0 to 0.0050
0