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C74400 Nickel Silver vs. C66300 Brass

Both C74400 nickel silver and C66300 brass are copper alloys. They have 74% of their average alloy composition in common.

For each property being compared, the top bar is C74400 nickel silver and the bottom bar is C66300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 43
2.3 to 22
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
42
Shear Strength, MPa 240
290 to 470
Tensile Strength: Ultimate (UTS), MPa 350
460 to 810
Tensile Strength: Yield (Proof), MPa 120
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 140
180
Melting Completion (Liquidus), °C 930
1050
Melting Onset (Solidus), °C 910
1000
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
25
Electrical Conductivity: Equal Weight (Specific), % IACS 29
26

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 8.2
8.6
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 48
46
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
17 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 63
710 to 2850
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
15 to 26
Strength to Weight: Bending, points 14
15 to 22
Thermal Diffusivity, mm2/s 37
32
Thermal Shock Resistance, points 12
16 to 28

Alloy Composition


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Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 62 to 66
84.5 to 87.5
Iron (Fe), % 0 to 0.050
1.4 to 2.4
Lead (Pb), % 0 to 0.050
0 to 0.050
Nickel (Ni), % 2.0 to 4.0
0
Phosphorus (P), % 0
0 to 0.35
Tin (Sn), % 0
1.5 to 3.0
Zinc (Zn), % 29.6 to 36
6.0 to 12.8
Residuals, % 0 to 0.3
0 to 0.5