C77300 Nickel Silver vs. C96700 Copper

Both C77300 nickel silver and C96700 copper are copper alloys. They have 58% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C77300 nickel silver and the bottom bar is C96700 copper.

UNS C77300 (RBCuZn-D) Filler Metal UNS C96700 (Alloy 72C) Nickel-Beryllium Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		140

Poisson's Ratio		0.3
Poisson's Ratio		0.33

Shear Modulus, GPa		42
Shear Modulus, GPa		53

Tensile Strength: Ultimate (UTS), MPa		540
Tensile Strength: Ultimate (UTS), MPa		1210

Thermal Properties

Latent Heat of Fusion, J/g		180
Latent Heat of Fusion, J/g		250

Maximum Temperature: Mechanical, °C		130
Maximum Temperature: Mechanical, °C		310

Melting Completion (Liquidus), °C		940
Melting Completion (Liquidus), °C		1170

Melting Onset (Solidus), °C		920
Melting Onset (Solidus), °C		1110

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

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

Base Metal Price, % relative		26
Base Metal Price, % relative		90

Density, g/cm³		7.9
Density, g/cm³		8.8

Embodied Carbon, kg CO₂/kg material		3.5
Embodied Carbon, kg CO₂/kg material		9.5

Embodied Energy, MJ/kg		56
Embodied Energy, MJ/kg		140

Embodied Water, L/kg		310
Embodied Water, L/kg		280

Common Calculations

Stiffness to Weight: Axial, points		7.7
Stiffness to Weight: Axial, points		8.9

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		19
Strength to Weight: Axial, points		38

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		29

Thermal Shock Resistance, points		17
Thermal Shock Resistance, points		40

Alloy Composition

Aluminum (Al), %		0 to 0.010
Aluminum (Al), %		0

Beryllium (Be), %		0
Beryllium (Be), %		1.1 to 1.2

Copper (Cu), %		46 to 50
Copper (Cu), %		62.4 to 68.8

Iron (Fe), %		0
Iron (Fe), %		0.4 to 1.0

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0 to 0.010

Manganese (Mn), %		0
Manganese (Mn), %		0.4 to 1.0

Nickel (Ni), %		9.0 to 11
Nickel (Ni), %		29 to 33

Phosphorus (P), %		0 to 0.25
Phosphorus (P), %		0

Silicon (Si), %		0.040 to 0.25
Silicon (Si), %		0 to 0.15

Titanium (Ti), %		0
Titanium (Ti), %		0.15 to 0.35

Zinc (Zn), %		37.9 to 45
Zinc (Zn), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		0.15 to 0.35

Residuals, %		0
Residuals, %		0 to 0.5