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R31537 Cobalt vs. C83800 Bronze

R31537 cobalt belongs to the cobalt alloys classification, while C83800 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 C83800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 14 to 23
20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 87
39
Tensile Strength: Ultimate (UTS), MPa 1000 to 1340
230
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
840
Specific Heat Capacity, J/kg-K 450
370
Thermal Conductivity, W/m-K 13
72
Thermal Expansion, µm/m-K 13
19

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
8.8
Embodied Carbon, kg CO2/kg material 8.1
2.9
Embodied Energy, MJ/kg 110
47
Embodied Water, L/kg 530
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 200
39
Resilience: Unit (Modulus of Resilience), kJ/m3 780 to 1990
53
Stiffness to Weight: Axial, points 15
6.6
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 33 to 44
7.4
Strength to Weight: Bending, points 26 to 32
9.6
Thermal Diffusivity, mm2/s 3.4
22
Thermal Shock Resistance, points 24 to 32
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0 to 0.14
0
Chromium (Cr), % 26 to 30
0
Cobalt (Co), % 58.9 to 69
0
Copper (Cu), % 0
82 to 83.8
Iron (Fe), % 0 to 0.75
0 to 0.3
Lead (Pb), % 0
5.0 to 7.0
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
3.3 to 4.2
Zinc (Zn), % 0
5.0 to 8.0
Residuals, % 0
0 to 0.7