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CC140C Copper vs. R30016 Cobalt

CC140C copper belongs to the copper alloys classification, while R30016 cobalt belongs to the cobalt 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 CC140C copper and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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