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C74400 Nickel Silver vs. C14520 Copper

Both C74400 nickel silver and C14520 copper are copper alloys. They have 64% of their average alloy composition in common.

For each property being compared, the top bar is C74400 nickel silver and the bottom bar is C14520 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 43
9.0 to 9.6
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
43
Shear Strength, MPa 240
170 to 190
Tensile Strength: Ultimate (UTS), MPa 350
290 to 330
Tensile Strength: Yield (Proof), MPa 120
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
200
Melting Completion (Liquidus), °C 930
1080
Melting Onset (Solidus), °C 910
1050
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
320
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
85
Electrical Conductivity: Equal Weight (Specific), % IACS 29
85

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 8.2
8.9
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
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 63
240 to 280
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
9.0 to 10
Strength to Weight: Bending, points 14
11 to 12
Thermal Diffusivity, mm2/s 37
94
Thermal Shock Resistance, points 12
10 to 12

Alloy Composition


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Copper (Cu), % 62 to 66
99.2 to 99.596
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.050
0
Nickel (Ni), % 2.0 to 4.0
0
Phosphorus (P), % 0
0.0040 to 0.020
Tellurium (Te), % 0
0.4 to 0.7
Zinc (Zn), % 29.6 to 36
0
Residuals, % 0 to 0.3
0