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C70620 Copper-nickel vs. C97400 Nickel Silver

Both C70620 copper-nickel and C97400 nickel silver are copper alloys. They have 71% 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 C70620 copper-nickel and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
44
Tensile Strength: Ultimate (UTS), MPa 300 to 570
260

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 220
180
Melting Completion (Liquidus), °C 1120
1100
Melting Onset (Solidus), °C 1060
1070
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 49
27
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 33
33
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 3.4
4.1
Embodied Energy, MJ/kg 51
64
Embodied Water, L/kg 300
320

Common Calculations

Stiffness to Weight: Axial, points 7.7
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.3 to 18
8.5
Strength to Weight: Bending, points 11 to 17
11
Thermal Diffusivity, mm2/s 14
8.3
Thermal Shock Resistance, points 10 to 20
8.8

Alloy Composition

Carbon (C), % 0 to 0.050
0
Copper (Cu), % 86.5 to 90
58 to 61
Iron (Fe), % 1.0 to 1.8
0 to 1.5
Lead (Pb), % 0 to 0.020
4.5 to 5.5
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 9.0 to 11
15.5 to 17
Phosphorus (P), % 0 to 0.2
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
2.5 to 3.5
Zinc (Zn), % 0 to 0.5
10 to 19.5
Residuals, % 0
0 to 1.0