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C24000 Brass vs. C74400 Nickel Silver

Both C24000 brass and C74400 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 (8, in this case) are not shown.

For each property being compared, the top bar is C24000 brass and the bottom bar is C74400 nickel silver.

UNS C24000 (CW503L) Low BrassUNS C74400 Nickel Silver
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 310 to 640
350

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 1000
930
Melting Onset (Solidus), °C 970
910
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
26
Electrical Conductivity: Equal Weight (Specific), % IACS 34
29

Otherwise Unclassified Properties

Base Metal Price, % relative 27
25
Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 43
48
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10 to 21
12
Strength to Weight: Bending, points 12 to 20
14
Thermal Diffusivity, mm2/s 43
37
Thermal Shock Resistance, points 10 to 22
12

Alloy Composition

Copper (Cu), % 78.5 to 81.5
62 to 66
Iron (Fe), % 0 to 0.050
0 to 0.050
Lead (Pb), % 0 to 0.050
0 to 0.050
Nickel (Ni), % 0
2.0 to 4.0
Zinc (Zn), % 18.2 to 21.5
29.6 to 36
Residuals, % 0
0 to 0.3