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C75700 Nickel Silver vs. C14700 Copper

Both C75700 nickel silver and C14700 copper are copper alloys. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C14700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 3.2 to 22
9.1 to 35
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
43
Shear Strength, MPa 350 to 370
160 to 190
Tensile Strength: Ultimate (UTS), MPa 590 to 610
240 to 320
Tensile Strength: Yield (Proof), MPa 470 to 580
85 to 250

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 1040
1080
Melting Onset (Solidus), °C 990
1070
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 40
370
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
95
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
96

Otherwise Unclassified Properties

Base Metal Price, % relative 30
30
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 56
41
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
25 to 65
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
31 to 280
Stiffness to Weight: Axial, points 7.8
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 20
7.3 to 10
Strength to Weight: Bending, points 19
9.5 to 12
Thermal Diffusivity, mm2/s 12
110
Thermal Shock Resistance, points 22 to 23
8.4 to 12

Alloy Composition

Copper (Cu), % 63.5 to 66.5
99.395 to 99.798
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 11 to 13
0
Phosphorus (P), % 0
0.0020 to 0.0050
Sulfur (S), % 0
0.2 to 0.5
Zinc (Zn), % 19.2 to 25.5
0
Residuals, % 0 to 0.5
0 to 0.1

Comparable Variants