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C97400 Nickel Silver vs. C71520 Copper-nickel

Both C97400 nickel silver and C71520 copper-nickel are copper alloys. They have 77% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C97400 nickel silver and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
140
Elongation at Break, % 20
10 to 45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 44
51
Tensile Strength: Ultimate (UTS), MPa 260
370 to 570
Tensile Strength: Yield (Proof), MPa 120
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 180
260
Melting Completion (Liquidus), °C 1100
1170
Melting Onset (Solidus), °C 1070
1120
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 27
32
Thermal Expansion, µm/m-K 18
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 33
40
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 4.1
5.0
Embodied Energy, MJ/kg 64
73
Embodied Water, L/kg 320
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 59
67 to 680
Stiffness to Weight: Axial, points 7.5
8.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 8.5
12 to 18
Strength to Weight: Bending, points 11
13 to 17
Thermal Diffusivity, mm2/s 8.3
8.9
Thermal Shock Resistance, points 8.8
12 to 19

Alloy Composition

Carbon (C), % 0
0 to 0.050
Copper (Cu), % 58 to 61
65 to 71.6
Iron (Fe), % 0 to 1.5
0.4 to 1.0
Lead (Pb), % 4.5 to 5.5
0 to 0.020
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 15.5 to 17
28 to 33
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 2.5 to 3.5
0
Zinc (Zn), % 10 to 19.5
0 to 0.5
Residuals, % 0
0 to 0.5