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C86300 Bronze vs. R31537 Cobalt

C86300 bronze belongs to the copper alloys classification, while R31537 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C86300 bronze and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 14
14 to 23
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 42
87
Tensile Strength: Ultimate (UTS), MPa 850
1000 to 1340
Tensile Strength: Yield (Proof), MPa 480
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 200
320
Melting Completion (Liquidus), °C 920
1360
Melting Onset (Solidus), °C 890
1290
Specific Heat Capacity, J/kg-K 420
450
Thermal Conductivity, W/m-K 35
13
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
2.1

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.0
8.1
Embodied Energy, MJ/kg 51
110
Embodied Water, L/kg 360
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
780 to 1990
Stiffness to Weight: Axial, points 7.8
15
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 30
33 to 44
Strength to Weight: Bending, points 25
26 to 32
Thermal Diffusivity, mm2/s 11
3.4
Thermal Shock Resistance, points 28
24 to 32

Alloy Composition


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Aluminum (Al), % 5.0 to 7.5
0
Carbon (C), % 0
0 to 0.14
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
58.9 to 69
Copper (Cu), % 60 to 66
0
Iron (Fe), % 2.0 to 4.0
0 to 0.75
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Silicon (Si), % 0
0 to 1.0
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 22 to 28
0
Residuals, % 0 to 1.0
0