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C92800 Bronze vs. R31537 Cobalt

C92800 bronze belongs to the copper alloys classification, while R31537 cobalt belongs to the cobalt alloys. There are 24 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 C92800 bronze and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
220
Elongation at Break, % 1.0
14 to 23
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 37
87
Tensile Strength: Ultimate (UTS), MPa 280
1000 to 1340
Tensile Strength: Yield (Proof), MPa 210
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 170
320
Melting Completion (Liquidus), °C 960
1360
Melting Onset (Solidus), °C 820
1290
Specific Heat Capacity, J/kg-K 350
450
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.4
Embodied Carbon, kg CO2/kg material 4.1
8.1
Embodied Energy, MJ/kg 67
110
Embodied Water, L/kg 430
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.5
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 210
780 to 1990
Stiffness to Weight: Axial, points 6.4
15
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.8
33 to 44
Strength to Weight: Bending, points 11
26 to 32
Thermal Shock Resistance, points 11
24 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.14
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
58.9 to 69
Copper (Cu), % 78 to 82
0
Iron (Fe), % 0 to 0.2
0 to 0.75
Lead (Pb), % 4.0 to 6.0
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0 to 0.8
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 15 to 17
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.7
0