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C75700 Nickel Silver vs. C81500 Copper

Both C75700 nickel silver and C81500 copper are copper alloys. They have 65% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 3.2 to 22
17
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
44
Tensile Strength: Ultimate (UTS), MPa 590 to 610
350
Tensile Strength: Yield (Proof), MPa 470 to 580
280

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 1040
1090
Melting Onset (Solidus), °C 990
1080
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 40
320
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
82
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
83

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
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
56
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
330
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 20
11
Strength to Weight: Bending, points 19
12
Thermal Diffusivity, mm2/s 12
91
Thermal Shock Resistance, points 22 to 23
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 63.5 to 66.5
97.4 to 99.6
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 11 to 13
0
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 19.2 to 25.5
0 to 0.1
Residuals, % 0 to 0.5
0 to 0.5