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C91600 Bronze vs. R31537 Cobalt

C91600 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 (6, in this case) are not shown.

For each property being compared, the top bar is C91600 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, % 11
14 to 23
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
87
Tensile Strength: Ultimate (UTS), MPa 310
1000 to 1340
Tensile Strength: Yield (Proof), MPa 160
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Melting Completion (Liquidus), °C 1030
1360
Melting Onset (Solidus), °C 860
1290
Specific Heat Capacity, J/kg-K 370
450
Thermal Conductivity, W/m-K 71
13
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 3.7
8.1
Embodied Energy, MJ/kg 61
110
Embodied Water, L/kg 390
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 120
780 to 1990
Stiffness to Weight: Axial, points 7.0
15
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.9
33 to 44
Strength to Weight: Bending, points 12
26 to 32
Thermal Diffusivity, mm2/s 22
3.4
Thermal Shock Resistance, points 11
24 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.14
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
58.9 to 69
Copper (Cu), % 85.9 to 89.1
0
Iron (Fe), % 0 to 0.2
0 to 0.75
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 1.2 to 2.0
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.3
0
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.7 to 10.8
0
Zinc (Zn), % 0 to 0.25
0