C14520 Copper vs. G-CoCr28 Cobalt

C14520 copper belongs to the copper alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C14520 copper and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		210

Elongation at Break, %		9.0 to 9.6
Elongation at Break, %		6.7

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		43
Shear Modulus, GPa		83

Tensile Strength: Ultimate (UTS), MPa		290 to 330
Tensile Strength: Ultimate (UTS), MPa		560

Tensile Strength: Yield (Proof), MPa		230 to 250
Tensile Strength: Yield (Proof), MPa		260

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		320

Maximum Temperature: Mechanical, °C		200
Maximum Temperature: Mechanical, °C		1200

Melting Completion (Liquidus), °C		1080
Melting Completion (Liquidus), °C		1330

Melting Onset (Solidus), °C		1050
Melting Onset (Solidus), °C		1270

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		470

Thermal Conductivity, W/m-K		320
Thermal Conductivity, W/m-K		8.5

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		33
Base Metal Price, % relative		100

Density, g/cm³		8.9
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		6.2

Embodied Energy, MJ/kg		42
Embodied Energy, MJ/kg		84

Embodied Water, L/kg		310
Embodied Water, L/kg		440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		24 to 29
Resilience: Ultimate (Unit Rupture Work), MJ/m³		31

Resilience: Unit (Modulus of Resilience), kJ/m³		240 to 280
Resilience: Unit (Modulus of Resilience), kJ/m³		160

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		9.0 to 10
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		11 to 12
Strength to Weight: Bending, points		19

Thermal Diffusivity, mm²/s		94
Thermal Diffusivity, mm²/s		2.2

Thermal Shock Resistance, points		10 to 12
Thermal Shock Resistance, points		14

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0.050 to 0.25

Chromium (Cr), %		0
Chromium (Cr), %		27 to 30

Cobalt (Co), %		0
Cobalt (Co), %		48 to 52

Copper (Cu), %		99.2 to 99.596
Copper (Cu), %		0

Iron (Fe), %		0
Iron (Fe), %		9.7 to 24.5

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.5

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.5

Nickel (Ni), %		0
Nickel (Ni), %		0 to 4.0

Niobium (Nb), %		0
Niobium (Nb), %		0 to 0.5

Phosphorus (P), %		0.0040 to 0.020
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0
Silicon (Si), %		0.5 to 1.5

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Tellurium (Te), %		0.4 to 0.7
Tellurium (Te), %		0