C69400 Brass vs. C74000 Nickel Silver

Both C69400 brass and C74000 nickel silver are copper alloys. They have 86% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is C74000 nickel silver.

UNS C69400 Silicon Red Brass UNS C74000 Nickel Silver

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.33
Poisson's Ratio		0.32

Shear Modulus, GPa		42
Shear Modulus, GPa		44

Tensile Strength: Ultimate (UTS), MPa		570
Tensile Strength: Ultimate (UTS), MPa		380 to 590

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		200

Maximum Temperature: Mechanical, °C		170
Maximum Temperature: Mechanical, °C		180

Melting Completion (Liquidus), °C		920
Melting Completion (Liquidus), °C		990

Melting Onset (Solidus), °C		820
Melting Onset (Solidus), °C		950

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		390

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		6.2
Electrical Conductivity: Equal Volume, % IACS		40

Electrical Conductivity: Equal Weight (Specific), % IACS		6.7
Electrical Conductivity: Equal Weight (Specific), % IACS		42

Otherwise Unclassified Properties

Base Metal Price, % relative		27
Base Metal Price, % relative		30

Density, g/cm³		8.3
Density, g/cm³		8.5

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

Embodied Energy, MJ/kg		44
Embodied Energy, MJ/kg		54

Embodied Water, L/kg		300
Embodied Water, L/kg		310

Common Calculations

Stiffness to Weight: Axial, points		7.4
Stiffness to Weight: Axial, points		7.7

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

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

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

Thermal Shock Resistance, points		20
Thermal Shock Resistance, points		13 to 19

Alloy Composition

Copper (Cu), %		80 to 83
Copper (Cu), %		69 to 73.5

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

Lead (Pb), %		0 to 0.3
Lead (Pb), %		0 to 0.1

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

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

Silicon (Si), %		3.5 to 4.5
Silicon (Si), %		0

Zinc (Zn), %		11.5 to 16.5
Zinc (Zn), %		14.2 to 22

Residuals, %		0
Residuals, %		0 to 0.5