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R31537 Cobalt vs. C93500 Bronze

R31537 cobalt belongs to the cobalt alloys classification, while C93500 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R31537 cobalt and the bottom bar is C93500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 14 to 23
15
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 87
38
Tensile Strength: Ultimate (UTS), MPa 1000 to 1340
220
Tensile Strength: Yield (Proof), MPa 590 to 940
110

Thermal Properties

Latent Heat of Fusion, J/g 320
180
Melting Completion (Liquidus), °C 1360
1000
Melting Onset (Solidus), °C 1290
850
Specific Heat Capacity, J/kg-K 450
360
Thermal Conductivity, W/m-K 13
70
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
15

Otherwise Unclassified Properties

Density, g/cm3 8.4
9.0
Embodied Carbon, kg CO2/kg material 8.1
3.0
Embodied Energy, MJ/kg 110
49
Embodied Water, L/kg 530
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 200
28
Resilience: Unit (Modulus of Resilience), kJ/m3 780 to 1990
59
Stiffness to Weight: Axial, points 15
6.3
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 33 to 44
6.9
Strength to Weight: Bending, points 26 to 32
9.1
Thermal Diffusivity, mm2/s 3.4
22
Thermal Shock Resistance, points 24 to 32
8.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.3
Carbon (C), % 0 to 0.14
0
Chromium (Cr), % 26 to 30
0
Cobalt (Co), % 58.9 to 69
0
Copper (Cu), % 0
83 to 86
Iron (Fe), % 0 to 0.75
0 to 0.2
Lead (Pb), % 0
8.0 to 10
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.3 to 6.0
Zinc (Zn), % 0
0 to 2.0
Residuals, % 0
0 to 1.0