C15900 Copper vs. G-CoCr28 Cobalt

C15900 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 (5, in this case) are not shown.

For each property being compared, the top bar is C15900 copper and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		210

Elongation at Break, %		6.5
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		720
Tensile Strength: Ultimate (UTS), MPa		560

Tensile Strength: Yield (Proof), MPa		240
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		1030
Melting Onset (Solidus), °C		1270

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

Thermal Conductivity, W/m-K		280
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		30
Base Metal Price, % relative		100

Density, g/cm³		8.8
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		2.8
Embodied Carbon, kg CO₂/kg material		6.2

Embodied Energy, MJ/kg		45
Embodied Energy, MJ/kg		84

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		37
Resilience: Ultimate (Unit Rupture Work), MJ/m³		31

Resilience: Unit (Modulus of Resilience), kJ/m³		260
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		23
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		19

Thermal Diffusivity, mm²/s		80
Thermal Diffusivity, mm²/s		2.2

Thermal Shock Resistance, points		26
Thermal Shock Resistance, points		14

Alloy Composition

Aluminum (Al), %		0.76 to 0.84
Aluminum (Al), %		0

Carbon (C), %		0.27 to 0.33
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), %		97.5 to 97.9
Copper (Cu), %		0

Iron (Fe), %		0 to 0.040
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

Oxygen (O), %		0.4 to 0.54
Oxygen (O), %		0

Phosphorus (P), %		0
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

Titanium (Ti), %		0.66 to 0.74
Titanium (Ti), %		0