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R30016 Cobalt vs. C52400 Bronze

R30016 cobalt belongs to the cobalt alloys classification, while C52400 bronze belongs to the copper alloys. There are 22 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 R30016 cobalt and the bottom bar is C52400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
41
Tensile Strength: Ultimate (UTS), MPa 1010
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 320
190
Melting Completion (Liquidus), °C 1360
1000
Melting Onset (Solidus), °C 1270
840
Specific Heat Capacity, J/kg-K 450
370
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
11

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.8
Embodied Carbon, kg CO2/kg material 7.7
3.6
Embodied Energy, MJ/kg 110
58
Embodied Water, L/kg 500
390

Common Calculations

Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 33
14 to 28
Strength to Weight: Bending, points 26
15 to 23
Thermal Diffusivity, mm2/s 3.9
15
Thermal Shock Resistance, points 24
17 to 32

Alloy Composition

Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 49.6 to 66.9
0
Copper (Cu), % 0
87.8 to 91
Iron (Fe), % 0 to 3.0
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 0.2 to 2.0
0
Tin (Sn), % 0
9.0 to 11
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5