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C74400 Nickel Silver vs. C32000 Brass

Both C74400 nickel silver and C32000 brass are copper alloys. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is C74400 nickel silver and the bottom bar is C32000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 43
6.8 to 29
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
41
Shear Strength, MPa 240
180 to 280
Tensile Strength: Ultimate (UTS), MPa 350
270 to 470
Tensile Strength: Yield (Proof), MPa 120
78 to 390

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 930
1020
Melting Onset (Solidus), °C 910
990
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
160
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
36
Electrical Conductivity: Equal Weight (Specific), % IACS 29
37

Otherwise Unclassified Properties

Base Metal Price, % relative 25
28
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 48
42
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
30 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 63
28 to 680
Stiffness to Weight: Axial, points 7.4
7.1
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
8.8 to 15
Strength to Weight: Bending, points 14
11 to 16
Thermal Diffusivity, mm2/s 37
47
Thermal Shock Resistance, points 12
9.5 to 16

Alloy Composition


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Copper (Cu), % 62 to 66
83.5 to 86.5
Iron (Fe), % 0 to 0.050
0 to 0.1
Lead (Pb), % 0 to 0.050
1.5 to 2.2
Nickel (Ni), % 2.0 to 4.0
0 to 0.25
Zinc (Zn), % 29.6 to 36
10.6 to 15
Residuals, % 0 to 0.3
0 to 0.4