50Cr-50Ni Alloy vs. C72500 Copper-nickel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while C72500 copper-nickel belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni alloy and the bottom bar is C72500 copper-nickel.

50Cr-50Ni (R20500) Casting Alloy UNS C72500 (CW351H) Tin-Bearing Copper-Nickel

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.26
Poisson's Ratio		0.34

Shear Modulus, GPa		84
Shear Modulus, GPa		45

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		420 to 780

Thermal Properties

Latent Heat of Fusion, J/g		350
Latent Heat of Fusion, J/g		210

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

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		50
Base Metal Price, % relative		35

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

Embodied Carbon, kg CO₂/kg material		7.9
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		110
Embodied Energy, MJ/kg		55

Embodied Water, L/kg		350
Embodied Water, L/kg		320

Common Calculations

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

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

Strength to Weight: Axial, points		21
Strength to Weight: Axial, points		13 to 24

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		14 to 21

Thermal Shock Resistance, points		14
Thermal Shock Resistance, points		14 to 27

Alloy Composition

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

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

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

Copper (Cu), %		0
Copper (Cu), %		85.2 to 89.7

Iron (Fe), %		0 to 1.0
Iron (Fe), %		0 to 0.6

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

Manganese (Mn), %		0 to 0.3
Manganese (Mn), %		0 to 0.2

Nickel (Ni), %		44.5 to 52
Nickel (Ni), %		8.5 to 10.5

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

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

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

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

Tin (Sn), %		0
Tin (Sn), %		1.8 to 2.8

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

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.5

Residuals, %		0
Residuals, %		0 to 0.2