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R30016 Cobalt vs. C86500 Bronze

R30016 cobalt belongs to the cobalt alloys classification, while C86500 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is C86500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 8.4
25
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 85
40
Tensile Strength: Ultimate (UTS), MPa 1010
530
Tensile Strength: Yield (Proof), MPa 580
190

Thermal Properties

Latent Heat of Fusion, J/g 320
170
Melting Completion (Liquidus), °C 1360
880
Melting Onset (Solidus), °C 1270
860
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 15
86
Thermal Expansion, µm/m-K 14
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
22
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
25

Otherwise Unclassified Properties

Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 7.7
2.8
Embodied Energy, MJ/kg 110
48
Embodied Water, L/kg 500
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
110
Resilience: Unit (Modulus of Resilience), kJ/m3 770
180
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 33
19
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 3.9
28
Thermal Shock Resistance, points 24
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.5
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
55 to 60
Iron (Fe), % 0 to 3.0
0.4 to 2.0
Lead (Pb), % 0
0 to 0.4
Manganese (Mn), % 0.5 to 2.0
0.1 to 1.5
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0 to 1.0
Silicon (Si), % 0.2 to 2.0
0
Tin (Sn), % 0
0 to 1.0
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
36 to 42
Residuals, % 0
0 to 1.0