C74000 Nickel Silver vs. C85500 Brass

Both C74000 nickel silver and C85500 brass are copper alloys. They have 80% of their average alloy composition in common. There are 23 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 C74000 nickel silver and the bottom bar is C85500 brass.

UNS C74000 Nickel Silver UNS C85500 Yellow Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		100

Poisson's Ratio		0.32
Poisson's Ratio		0.31

Rockwell B Hardness		70 to 88
Rockwell B Hardness		55

Shear Modulus, GPa		44
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		380 to 590
Tensile Strength: Ultimate (UTS), MPa		410

Thermal Properties

Latent Heat of Fusion, J/g		200
Latent Heat of Fusion, J/g		170

Maximum Temperature: Mechanical, °C		180
Maximum Temperature: Mechanical, °C		120

Melting Completion (Liquidus), °C		990
Melting Completion (Liquidus), °C		900

Melting Onset (Solidus), °C		950
Melting Onset (Solidus), °C		890

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

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		40
Electrical Conductivity: Equal Volume, % IACS		26

Electrical Conductivity: Equal Weight (Specific), % IACS		42
Electrical Conductivity: Equal Weight (Specific), % IACS		29

Otherwise Unclassified Properties

Base Metal Price, % relative		30
Base Metal Price, % relative		23

Density, g/cm³		8.5
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		3.4
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		54
Embodied Energy, MJ/kg		46

Embodied Water, L/kg		310
Embodied Water, L/kg		320

Common Calculations

Stiffness to Weight: Axial, points		7.7
Stiffness to Weight: Axial, points		7.3

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		13 to 19
Strength to Weight: Axial, points		14

Strength to Weight: Bending, points		14 to 18
Strength to Weight: Bending, points		15

Thermal Shock Resistance, points		13 to 19
Thermal Shock Resistance, points		14

Alloy Composition

Copper (Cu), %		69 to 73.5
Copper (Cu), %		59 to 63

Iron (Fe), %		0 to 0.25
Iron (Fe), %		0 to 0.2

Lead (Pb), %		0 to 0.1
Lead (Pb), %		0 to 0.2

Manganese (Mn), %		0 to 0.5
Manganese (Mn), %		0 to 0.2

Nickel (Ni), %		9.0 to 11
Nickel (Ni), %		0 to 0.2

Tin (Sn), %		0
Tin (Sn), %		0 to 0.2

Zinc (Zn), %		14.2 to 22
Zinc (Zn), %		35.1 to 41

Residuals, %		0
Residuals, %		0 to 0.9