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R31233 Cobalt vs. CC212E Bronze

R31233 cobalt belongs to the cobalt alloys classification, while CC212E bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is R31233 cobalt and the bottom bar is CC212E bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
130
Elongation at Break, % 17
20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 85
47
Tensile Strength: Ultimate (UTS), MPa 1020
710
Tensile Strength: Yield (Proof), MPa 420
310

Thermal Properties

Latent Heat of Fusion, J/g 320
230
Melting Completion (Liquidus), °C 1350
1080
Melting Onset (Solidus), °C 1330
1020
Specific Heat Capacity, J/kg-K 440
440
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.3

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.2
Embodied Carbon, kg CO2/kg material 8.4
3.4
Embodied Energy, MJ/kg 110
55
Embodied Water, L/kg 480
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 410
390
Stiffness to Weight: Axial, points 14
8.5
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 33
24
Strength to Weight: Bending, points 26
21
Thermal Shock Resistance, points 25
22

Alloy Composition

Aluminum (Al), % 0
7.0 to 9.0
Boron (B), % 0 to 0.015
0
Carbon (C), % 0.020 to 0.1
0
Chromium (Cr), % 23.5 to 27.5
0
Cobalt (Co), % 44.7 to 63.3
0
Copper (Cu), % 0
68 to 77
Iron (Fe), % 1.0 to 5.0
2.0 to 4.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0.1 to 1.5
8.0 to 15
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 7.0 to 11
1.5 to 4.5
Nitrogen (N), % 0.030 to 0.12
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.050 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.5
Tungsten (W), % 1.0 to 3.0
0
Zinc (Zn), % 0
0 to 1.0