C70700 Copper-nickel vs. 50Cr-50Ni Alloy

C70700 copper-nickel belongs to the copper alloys classification, while 50Cr-50Ni alloy belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is 50Cr-50Ni alloy.

UNS C70700 (CuNi10) Copper-Nickel 50Cr-50Ni (R20500) Casting Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		39
Elongation at Break, %		5.7

Poisson's Ratio		0.34
Poisson's Ratio		0.26

Shear Modulus, GPa		46
Shear Modulus, GPa		84

Tensile Strength: Ultimate (UTS), MPa		320
Tensile Strength: Ultimate (UTS), MPa		620

Tensile Strength: Yield (Proof), MPa		110
Tensile Strength: Yield (Proof), MPa		390

Thermal Properties

Latent Heat of Fusion, J/g		220
Latent Heat of Fusion, J/g		350

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		490

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

Base Metal Price, % relative		34
Base Metal Price, % relative		50

Density, g/cm³		8.9
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		3.4
Embodied Carbon, kg CO₂/kg material		7.9

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		110

Embodied Water, L/kg		300
Embodied Water, L/kg		350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		100
Resilience: Ultimate (Unit Rupture Work), MJ/m³		31

Resilience: Unit (Modulus of Resilience), kJ/m³		51
Resilience: Unit (Modulus of Resilience), kJ/m³		350

Stiffness to Weight: Axial, points		7.6
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		10
Strength to Weight: Axial, points		21

Strength to Weight: Bending, points		12
Strength to Weight: Bending, points		20

Thermal Shock Resistance, points		12
Thermal Shock Resistance, points		14

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.25

Carbon (C), %		0
Carbon (C), %		0 to 0.1

Chromium (Cr), %		0
Chromium (Cr), %		48 to 52

Copper (Cu), %		88.5 to 90.5
Copper (Cu), %		0

Iron (Fe), %		0 to 0.050
Iron (Fe), %		0 to 1.0

Manganese (Mn), %		0 to 0.5
Manganese (Mn), %		0 to 0.3

Nickel (Ni), %		9.5 to 10.5
Nickel (Ni), %		44.5 to 52

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.3

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

Silicon (Si), %		0
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.020

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.5

Residuals, %		0 to 0.5
Residuals, %		0