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R30016 Cobalt vs. CC140C Copper

R30016 cobalt belongs to the cobalt alloys classification, while CC140C copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is CC140C copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 8.4
11
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
44
Tensile Strength: Ultimate (UTS), MPa 1010
340
Tensile Strength: Yield (Proof), MPa 580
230

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Melting Completion (Liquidus), °C 1360
1100
Melting Onset (Solidus), °C 1270
1040
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 15
310
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
77
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
78

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 7.7
2.6
Embodied Energy, MJ/kg 110
41
Embodied Water, L/kg 500
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
34
Resilience: Unit (Modulus of Resilience), kJ/m3 770
220
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 33
10
Strength to Weight: Bending, points 26
12
Thermal Diffusivity, mm2/s 3.9
89
Thermal Shock Resistance, points 24
12

Alloy Composition

Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 28 to 32
0.4 to 1.2
Cobalt (Co), % 49.6 to 66.9
0
Copper (Cu), % 0
98.8 to 99.6
Iron (Fe), % 0 to 3.0
0
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0
Silicon (Si), % 0.2 to 2.0
0
Tungsten (W), % 3.5 to 5.5
0