C47000 Brass vs. C77600 Nickel Silver

Both C47000 brass and C77600 nickel silver are copper alloys. They have 84% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C47000 brass and the bottom bar is C77600 nickel silver.

UNS C47000 (RBCuZn-A) Filler Metal UNS C77600 Nickel Silver

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		110

Elongation at Break, %		36
Elongation at Break, %		30

Poisson's Ratio		0.3
Poisson's Ratio		0.3

Shear Modulus, GPa		40
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		380
Tensile Strength: Ultimate (UTS), MPa		630

Tensile Strength: Yield (Proof), MPa		150
Tensile Strength: Yield (Proof), MPa		320

Thermal Properties

Latent Heat of Fusion, J/g		170
Latent Heat of Fusion, J/g		180

Maximum Temperature: Mechanical, °C		120
Maximum Temperature: Mechanical, °C		140

Melting Completion (Liquidus), °C		900
Melting Completion (Liquidus), °C		830

Melting Onset (Solidus), °C		890
Melting Onset (Solidus), °C		790

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

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		20

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		27

Density, g/cm³		8.0
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		3.7

Embodied Energy, MJ/kg		47
Embodied Energy, MJ/kg		60

Embodied Water, L/kg		330
Embodied Water, L/kg		310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		110
Resilience: Ultimate (Unit Rupture Work), MJ/m³		160

Resilience: Unit (Modulus of Resilience), kJ/m³		100
Resilience: Unit (Modulus of Resilience), kJ/m³		470

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		7.9

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

Strength to Weight: Axial, points		13
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		15
Strength to Weight: Bending, points		21

Thermal Shock Resistance, points		13
Thermal Shock Resistance, points		20

Alloy Composition

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

Copper (Cu), %		57 to 61
Copper (Cu), %		42 to 45

Iron (Fe), %		0
Iron (Fe), %		0 to 0.2

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0 to 0.25

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.25

Nickel (Ni), %		0
Nickel (Ni), %		12 to 14

Tin (Sn), %		0.25 to 1.0
Tin (Sn), %		0 to 0.15

Zinc (Zn), %		37.5 to 42.8
Zinc (Zn), %		39.7 to 46

Residuals, %		0
Residuals, %		0 to 0.5