C11100 Copper vs. C72200 Copper-nickel

Both C11100 copper and C72200 copper-nickel are copper alloys. They have 81% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C11100 copper and the bottom bar is C72200 copper-nickel.

UNS C11100 Electrolytic Tough Pitch Copper UNS C72200 Chromium-Bearing Copper-Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		130

Poisson's Ratio		0.34
Poisson's Ratio		0.33

Shear Modulus, GPa		44
Shear Modulus, GPa		48

Tensile Strength: Ultimate (UTS), MPa		460
Tensile Strength: Ultimate (UTS), MPa		350 to 580

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		220

Maximum Temperature: Mechanical, °C		200
Maximum Temperature: Mechanical, °C		230

Melting Completion (Liquidus), °C		1080
Melting Completion (Liquidus), °C		1180

Melting Onset (Solidus), °C		1070
Melting Onset (Solidus), °C		1120

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		400

Thermal Conductivity, W/m-K		390
Thermal Conductivity, W/m-K		34

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		100
Electrical Conductivity: Equal Volume, % IACS		6.5

Electrical Conductivity: Equal Weight (Specific), % IACS		100
Electrical Conductivity: Equal Weight (Specific), % IACS		6.6

Otherwise Unclassified Properties

Base Metal Price, % relative		31
Base Metal Price, % relative		36

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

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		3.9

Embodied Energy, MJ/kg		41
Embodied Energy, MJ/kg		59

Embodied Water, L/kg		310
Embodied Water, L/kg		300

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		8.0

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		11 to 18

Strength to Weight: Bending, points		15
Strength to Weight: Bending, points		12 to 17

Thermal Diffusivity, mm²/s		110
Thermal Diffusivity, mm²/s		9.6

Thermal Shock Resistance, points		16
Thermal Shock Resistance, points		12 to 20

Alloy Composition

Chromium (Cr), %		0
Chromium (Cr), %		0.3 to 0.7

Copper (Cu), %		99.9 to 100
Copper (Cu), %		78.1 to 84.2

Iron (Fe), %		0
Iron (Fe), %		0.5 to 1.0

Lead (Pb), %		0
Lead (Pb), %		0 to 0.050

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Nickel (Ni), %		0
Nickel (Ni), %		15 to 18

Zinc (Zn), %		0
Zinc (Zn), %		0 to 1.0

Residuals, %		0
Residuals, %		0 to 0.2