C74000 Nickel Silver vs. Type 1 Niobium

C74000 nickel silver belongs to the copper alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is C74000 nickel silver and the bottom bar is Type 1 niobium.

UNS C74000 Nickel Silver Type 1 (Unalloyed Reactor Grade, R04200) Niobium

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.32
Poisson's Ratio		0.4

Shear Modulus, GPa		44
Shear Modulus, GPa		38

Tensile Strength: Ultimate (UTS), MPa		380 to 590
Tensile Strength: Ultimate (UTS), MPa		140

Thermal Properties

Latent Heat of Fusion, J/g		200
Latent Heat of Fusion, J/g		320

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		270

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		7.3

Otherwise Unclassified Properties

Density, g/cm³		8.5
Density, g/cm³		8.6

Embodied Water, L/kg		310
Embodied Water, L/kg		160

Common Calculations

Stiffness to Weight: Axial, points		7.7
Stiffness to Weight: Axial, points		6.8

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

Strength to Weight: Axial, points		13 to 19
Strength to Weight: Axial, points		4.6

Strength to Weight: Bending, points		14 to 18
Strength to Weight: Bending, points		7.1

Thermal Shock Resistance, points		13 to 19
Thermal Shock Resistance, points		13

Alloy Composition

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

Copper (Cu), %		69 to 73.5
Copper (Cu), %		0

Hafnium (Hf), %		0
Hafnium (Hf), %		0 to 0.020

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

Iron (Fe), %		0 to 0.25
Iron (Fe), %		0 to 0.0050

Lead (Pb), %		0 to 0.1
Lead (Pb), %		0

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.010

Nickel (Ni), %		9.0 to 11
Nickel (Ni), %		0 to 0.0050

Niobium (Nb), %		0
Niobium (Nb), %		99.7 to 100

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

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

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

Tantalum (Ta), %		0
Tantalum (Ta), %		0 to 0.1

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.020

Tungsten (W), %		0
Tungsten (W), %		0 to 0.030

Zinc (Zn), %		14.2 to 22
Zinc (Zn), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		0 to 0.020

Residuals, %		0 to 0.5
Residuals, %		0