C70620 Copper-nickel vs. R05252 Alloy

C70620 copper-nickel belongs to the copper alloys classification, while R05252 alloy belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C70620 copper-nickel and the bottom bar is R05252 alloy.

UNS C70620 Copper-Nickel UNS R05252 Tantalum-Tungsten Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.34
Poisson's Ratio		0.33

Shear Modulus, GPa		46
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		300 to 570
Tensile Strength: Ultimate (UTS), MPa		310

Thermal Properties

Latent Heat of Fusion, J/g		220
Latent Heat of Fusion, J/g		140

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		140

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		6.7

Otherwise Unclassified Properties

Density, g/cm³		8.9
Density, g/cm³		17

Embodied Water, L/kg		300
Embodied Water, L/kg		600

Common Calculations

Stiffness to Weight: Axial, points		7.7
Stiffness to Weight: Axial, points		6.5

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		12

Strength to Weight: Axial, points		9.3 to 18
Strength to Weight: Axial, points		5.2

Strength to Weight: Bending, points		11 to 17
Strength to Weight: Bending, points		6.1

Thermal Shock Resistance, points		10 to 20
Thermal Shock Resistance, points		17

Alloy Composition

Carbon (C), %		0 to 0.050
Carbon (C), %		0 to 0.010

Copper (Cu), %		86.5 to 90
Copper (Cu), %		0

Hydrogen (H), %		0
Hydrogen (H), %		0 to 0.0015

Iron (Fe), %		1.0 to 1.8
Iron (Fe), %		0 to 0.010

Lead (Pb), %		0 to 0.020
Lead (Pb), %		0

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.020

Nickel (Ni), %		9.0 to 11
Nickel (Ni), %		0 to 0.010

Niobium (Nb), %		0
Niobium (Nb), %		0 to 0.1

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.010

Oxygen (O), %		0
Oxygen (O), %		0 to 0.015

Phosphorus (P), %		0 to 0.2
Phosphorus (P), %		0

Silicon (Si), %		0
Silicon (Si), %		0 to 0.0050

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

Tantalum (Ta), %		0
Tantalum (Ta), %		88.8 to 91

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.010

Tungsten (W), %		0
Tungsten (W), %		9.0 to 11

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

Residuals, %		0 to 0.5
Residuals, %		0