CC140C Copper vs. R30001 Cobalt

CC140C copper belongs to the copper alloys classification, while R30001 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CC140C copper and the bottom bar is R30001 cobalt.

EN CC140C (CuCr1-C) Chromium Copper UNS R30001 Co-Cr-W Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		220

Elongation at Break, %		11
Elongation at Break, %		1.0

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		44
Shear Modulus, GPa		86

Tensile Strength: Ultimate (UTS), MPa		340
Tensile Strength: Ultimate (UTS), MPa		620

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		1100
Melting Completion (Liquidus), °C		1530

Melting Onset (Solidus), °C		1040
Melting Onset (Solidus), °C		1260

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		430

Thermal Conductivity, W/m-K		310
Thermal Conductivity, W/m-K		15

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		77
Electrical Conductivity: Equal Volume, % IACS		1.8

Electrical Conductivity: Equal Weight (Specific), % IACS		78
Electrical Conductivity: Equal Weight (Specific), % IACS		1.8

Otherwise Unclassified Properties

Density, g/cm³		8.9
Density, g/cm³		9.0

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		8.9

Embodied Energy, MJ/kg		41
Embodied Energy, MJ/kg		130

Embodied Water, L/kg		310
Embodied Water, L/kg		460

Common Calculations

Stiffness to Weight: Axial, points		7.3
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		10
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		12
Strength to Weight: Bending, points		18

Thermal Diffusivity, mm²/s		89
Thermal Diffusivity, mm²/s		3.7

Thermal Shock Resistance, points		12
Thermal Shock Resistance, points		19

Alloy Composition

Carbon (C), %		0
Carbon (C), %		2.0 to 3.0

Chromium (Cr), %		0.4 to 1.2
Chromium (Cr), %		28 to 32

Cobalt (Co), %		0
Cobalt (Co), %		43 to 59

Copper (Cu), %		98.8 to 99.6
Copper (Cu), %		0

Iron (Fe), %		0
Iron (Fe), %		0 to 3.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 1.0

Nickel (Ni), %		0
Nickel (Ni), %		0 to 3.0

Silicon (Si), %		0
Silicon (Si), %		0 to 2.0

Tungsten (W), %		0
Tungsten (W), %		11 to 13