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C74500 Nickel Silver vs. C81500 Copper

Both C74500 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 (4, in this case) are not shown.

For each property being compared, the top bar is C74500 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, % 3.0 to 24
17
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 390 to 700
350
Tensile Strength: Yield (Proof), MPa 380 to 600
280

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1020
1090
Melting Onset (Solidus), °C 970
1080
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 45
320
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
82
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
83

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.4
2.6
Embodied Energy, MJ/kg 54
41
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 160
56
Resilience: Unit (Modulus of Resilience), kJ/m3 620 to 1540
330
Stiffness to Weight: Axial, points 7.7
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 23
11
Strength to Weight: Bending, points 14 to 21
12
Thermal Diffusivity, mm2/s 14
91
Thermal Shock Resistance, points 13 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 0.1
0 to 0.020
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 9.0 to 11
0
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 21.2 to 27.5
0 to 0.1
Residuals, % 0 to 0.5
0 to 0.5