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R31233 Cobalt vs. C14200 Copper

R31233 cobalt belongs to the cobalt alloys classification, while C14200 copper belongs to the copper alloys. There are 27 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 R31233 cobalt and the bottom bar is C14200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 17
8.0 to 45
Fatigue Strength, MPa 220
76 to 130
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 85
43
Tensile Strength: Ultimate (UTS), MPa 1020
220 to 370
Tensile Strength: Yield (Proof), MPa 420
75 to 340

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Melting Completion (Liquidus), °C 1350
1080
Melting Onset (Solidus), °C 1330
1030
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 12
190
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
45
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
45

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 8.4
2.6
Embodied Energy, MJ/kg 110
41
Embodied Water, L/kg 480
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
29 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 410
24 to 500
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 33
6.8 to 11
Strength to Weight: Bending, points 26
9.1 to 13
Thermal Diffusivity, mm2/s 3.2
56
Thermal Shock Resistance, points 25
7.9 to 13

Alloy Composition

Arsenic (As), % 0
0.15 to 0.5
Boron (B), % 0 to 0.015
0
Carbon (C), % 0.020 to 0.1
0
Chromium (Cr), % 23.5 to 27.5
0
Cobalt (Co), % 44.7 to 63.3
0
Copper (Cu), % 0
99.4 to 99.835
Iron (Fe), % 1.0 to 5.0
0
Manganese (Mn), % 0.1 to 1.5
0
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 7.0 to 11
0
Nitrogen (N), % 0.030 to 0.12
0
Phosphorus (P), % 0 to 0.030
0.015 to 0.040
Silicon (Si), % 0.050 to 1.0
0
Sulfur (S), % 0 to 0.020
0
Tungsten (W), % 1.0 to 3.0
0