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R30016 Cobalt vs. C95500 Bronze

R30016 cobalt belongs to the cobalt alloys classification, while C95500 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is C95500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 8.4
8.4 to 10
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
44
Tensile Strength: Ultimate (UTS), MPa 1010
700 to 850
Tensile Strength: Yield (Proof), MPa 580
320 to 470

Thermal Properties

Latent Heat of Fusion, J/g 320
230
Melting Completion (Liquidus), °C 1360
1050
Melting Onset (Solidus), °C 1270
1040
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 15
42
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.8

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 7.7
3.5
Embodied Energy, MJ/kg 110
57
Embodied Water, L/kg 500
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
58 to 61
Resilience: Unit (Modulus of Resilience), kJ/m3 770
420 to 950
Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 33
24 to 29
Strength to Weight: Bending, points 26
21 to 24
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 24
24 to 29

Alloy Composition

Aluminum (Al), % 0
10 to 11.5
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
78 to 84
Iron (Fe), % 0 to 3.0
3.0 to 5.0
Manganese (Mn), % 0.5 to 2.0
0 to 3.5
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
3.0 to 5.5
Silicon (Si), % 0.2 to 2.0
0
Tungsten (W), % 3.5 to 5.5
0
Residuals, % 0
0 to 0.5