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C75700 Nickel Silver vs. C72800 Copper-nickel

Both C75700 nickel silver and C72800 copper-nickel are copper alloys. They have 76% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C72800 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 3.2 to 22
3.9 to 23
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
44
Shear Strength, MPa 350 to 370
330 to 740
Tensile Strength: Ultimate (UTS), MPa 590 to 610
520 to 1270
Tensile Strength: Yield (Proof), MPa 470 to 580
250 to 1210

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
920
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 40
55
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
38
Density, g/cm3 8.4
8.8
Embodied Carbon, kg CO2/kg material 3.6
4.4
Embodied Energy, MJ/kg 56
68
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
37 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
260 to 5650
Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19 to 20
17 to 40
Strength to Weight: Bending, points 19
16 to 30
Thermal Diffusivity, mm2/s 12
17
Thermal Shock Resistance, points 22 to 23
19 to 45

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Bismuth (Bi), % 0
0 to 0.0010
Boron (B), % 0
0 to 0.0010
Copper (Cu), % 63.5 to 66.5
78.3 to 82.8
Iron (Fe), % 0 to 0.25
0 to 0.5
Lead (Pb), % 0 to 0.050
0 to 0.0050
Magnesium (Mg), % 0
0.0050 to 0.15
Manganese (Mn), % 0 to 0.5
0.050 to 0.3
Nickel (Ni), % 11 to 13
9.5 to 10.5
Niobium (Nb), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0
0 to 0.0025
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 0
0 to 0.010
Zinc (Zn), % 19.2 to 25.5
0 to 1.0
Residuals, % 0 to 0.5
0 to 0.3

Comparable Variants