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R31233 Cobalt vs. C90800 Bronze

R31233 cobalt belongs to the cobalt alloys classification, while C90800 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 C90800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 17
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 85
40
Tensile Strength: Ultimate (UTS), MPa 1020
330
Tensile Strength: Yield (Proof), MPa 420
170

Thermal Properties

Latent Heat of Fusion, J/g 320
190
Melting Completion (Liquidus), °C 1350
990
Melting Onset (Solidus), °C 1330
870
Specific Heat Capacity, J/kg-K 440
370
Thermal Conductivity, W/m-K 12
68
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
11

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.7
Embodied Carbon, kg CO2/kg material 8.4
3.8
Embodied Energy, MJ/kg 110
62
Embodied Water, L/kg 480
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
35
Resilience: Unit (Modulus of Resilience), kJ/m3 410
140
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 33
11
Strength to Weight: Bending, points 26
12
Thermal Diffusivity, mm2/s 3.2
21
Thermal Shock Resistance, points 25
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
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
85.3 to 89
Iron (Fe), % 1.0 to 5.0
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0.1 to 1.5
0
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 7.0 to 11
0 to 0.5
Nitrogen (N), % 0.030 to 0.12
0
Phosphorus (P), % 0 to 0.030
0 to 0.3
Silicon (Si), % 0.050 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.020
0 to 0.050
Tin (Sn), % 0
11 to 13
Tungsten (W), % 1.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.25