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R31233 Cobalt vs. C60800 Bronze

R31233 cobalt belongs to the cobalt alloys classification, while C60800 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is R31233 cobalt and the bottom bar is C60800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 17
55
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 85
46
Tensile Strength: Ultimate (UTS), MPa 1020
390
Tensile Strength: Yield (Proof), MPa 420
150

Thermal Properties

Latent Heat of Fusion, J/g 320
220
Melting Completion (Liquidus), °C 1350
1060
Melting Onset (Solidus), °C 1330
1050
Specific Heat Capacity, J/kg-K 440
410
Thermal Conductivity, W/m-K 12
80
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
17
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
18

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.6
Embodied Carbon, kg CO2/kg material 8.4
2.9
Embodied Energy, MJ/kg 110
48
Embodied Water, L/kg 480
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
170
Resilience: Unit (Modulus of Resilience), kJ/m3 410
94
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 33
13
Strength to Weight: Bending, points 26
14
Thermal Diffusivity, mm2/s 3.2
23
Thermal Shock Resistance, points 25
14

Alloy Composition

Aluminum (Al), % 0
5.0 to 6.5
Arsenic (As), % 0
0.020 to 0.35
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
92.5 to 95
Iron (Fe), % 1.0 to 5.0
0 to 0.1
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0.1 to 1.5
0
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 7.0 to 11
0
Nitrogen (N), % 0.030 to 0.12
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.050 to 1.0
0
Sulfur (S), % 0 to 0.020
0
Tungsten (W), % 1.0 to 3.0
0
Residuals, % 0
0 to 0.5