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C72800 Copper-nickel vs. C77300 Nickel Silver

Both C72800 copper-nickel and C77300 nickel silver are copper alloys. They have 59% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C72800 copper-nickel and the bottom bar is C77300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
540

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1080
940
Melting Onset (Solidus), °C 920
920
Specific Heat Capacity, J/kg-K 380
390
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 11
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 38
26
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 4.4
3.5
Embodied Energy, MJ/kg 68
56
Embodied Water, L/kg 360
310

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 17 to 40
19
Strength to Weight: Bending, points 16 to 30
19
Thermal Shock Resistance, points 19 to 45
17

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.010
Antimony (Sb), % 0 to 0.020
0
Bismuth (Bi), % 0 to 0.0010
0
Boron (B), % 0 to 0.0010
0
Copper (Cu), % 78.3 to 82.8
46 to 50
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.0050
0 to 0.050
Magnesium (Mg), % 0.0050 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 9.5 to 10.5
9.0 to 11
Niobium (Nb), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.0050
0 to 0.25
Silicon (Si), % 0 to 0.050
0.040 to 0.25
Sulfur (S), % 0 to 0.0025
0
Tin (Sn), % 7.5 to 8.5
0
Titanium (Ti), % 0 to 0.010
0
Zinc (Zn), % 0 to 1.0
37.9 to 45
Residuals, % 0
0 to 0.5