C55181 Copper vs. G-CoCr28 Cobalt

C55181 copper belongs to the copper alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. There are 20 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 C55181 copper and the bottom bar is G-CoCr28 cobalt.

UNS C55181 (BCuP-2) Filler Metal G-CoCr28 (2.4778) Cobalt-Chromium Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		40
Shear Modulus, GPa		83

Tensile Strength: Ultimate (UTS), MPa		200
Tensile Strength: Ultimate (UTS), MPa		560

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		320

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

Melting Completion (Liquidus), °C		790
Melting Completion (Liquidus), °C		1330

Melting Onset (Solidus), °C		710
Melting Onset (Solidus), °C		1270

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		28
Base Metal Price, % relative		100

Density, g/cm³		8.5
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		2.4
Embodied Carbon, kg CO₂/kg material		6.2

Embodied Energy, MJ/kg		38
Embodied Energy, MJ/kg		84

Embodied Water, L/kg		290
Embodied Water, L/kg		440

Common Calculations

Stiffness to Weight: Axial, points		7.0
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		6.5
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		8.9
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		8.2
Thermal Shock Resistance, points		14

Alloy Composition

Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452

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), %		92.4 to 93
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), %		7.0 to 7.5
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

Residuals, %		0 to 0.15
Residuals, %		0