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R31538 Cobalt vs. C96600 Copper

R31538 cobalt belongs to the cobalt alloys classification, while C96600 copper 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 R31538 cobalt and the bottom bar is C96600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
140
Elongation at Break, % 13 to 23
7.0
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 86
52
Tensile Strength: Ultimate (UTS), MPa 1020 to 1360
760
Tensile Strength: Yield (Proof), MPa 580 to 930
480

Thermal Properties

Latent Heat of Fusion, J/g 320
240
Melting Completion (Liquidus), °C 1360
1180
Melting Onset (Solidus), °C 1290
1100
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 13
30
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
4.1

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 8.1
7.0
Embodied Energy, MJ/kg 110
100
Embodied Water, L/kg 530
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 200
47
Resilience: Unit (Modulus of Resilience), kJ/m3 750 to 1920
830
Stiffness to Weight: Axial, points 15
8.7
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 34 to 45
24
Strength to Weight: Bending, points 27 to 32
21
Thermal Diffusivity, mm2/s 3.5
8.4
Thermal Shock Resistance, points 25 to 33
25

Alloy Composition


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Beryllium (Be), % 0
0.4 to 0.7
Carbon (C), % 0.15 to 0.35
0
Chromium (Cr), % 26 to 30
0
Cobalt (Co), % 58.7 to 68.9
0
Copper (Cu), % 0
63.5 to 69.8
Iron (Fe), % 0 to 0.75
0.8 to 1.1
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 1.0
29 to 33
Nitrogen (N), % 0 to 0.25
0
Silicon (Si), % 0 to 1.0
0 to 0.15
Residuals, % 0
0 to 0.5