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Grade 7 Babbitt Metal vs. R30001 Cobalt

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while R30001 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 7 Babbitt Metal and the bottom bar is R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 110
1930
Elastic (Young's, Tensile) Modulus, GPa 26
220
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 9.1
86

Thermal Properties

Latent Heat of Fusion, J/g 48
310
Melting Completion (Liquidus), °C 270
1530
Melting Onset (Solidus), °C 240
1260
Specific Heat Capacity, J/kg-K 150
430
Thermal Expansion, µm/m-K 26
11

Otherwise Unclassified Properties

Density, g/cm3 10
9.0
Embodied Carbon, kg CO2/kg material 4.4
8.9
Embodied Energy, MJ/kg 62
130
Embodied Water, L/kg 880
460

Common Calculations

Stiffness to Weight: Axial, points 1.4
14
Stiffness to Weight: Bending, points 9.6
22

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
2.0 to 3.0
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
43 to 59
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 0.1
0 to 3.0
Lead (Pb), % 71.9 to 76.4
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 3.0
Silicon (Si), % 0
0 to 2.0
Tin (Sn), % 9.3 to 10.7
0
Tungsten (W), % 0
11 to 13
Zinc (Zn), % 0 to 0.0050
0