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C97400 Nickel Silver vs. C71640 Copper-nickel

Both C97400 nickel silver and C71640 copper-nickel are copper alloys. They have 78% of their average alloy composition in common. There are 26 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 C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 44
52
Tensile Strength: Ultimate (UTS), MPa 260
490 to 630
Tensile Strength: Yield (Proof), MPa 120
190 to 460

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 180
260
Melting Completion (Liquidus), °C 1100
1180
Melting Onset (Solidus), °C 1070
1120
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 27
29
Thermal Expansion, µm/m-K 18
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
7.1

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: Unit (Modulus of Resilience), kJ/m3 59
130 to 750
Stiffness to Weight: Axial, points 7.5
8.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 8.5
15 to 20
Strength to Weight: Bending, points 11
16 to 18
Thermal Diffusivity, mm2/s 8.3
8.2
Thermal Shock Resistance, points 8.8
16 to 21

Alloy Composition

Copper (Cu), % 58 to 61
61.7 to 67.8
Iron (Fe), % 0 to 1.5
1.7 to 2.3
Lead (Pb), % 4.5 to 5.5
0 to 0.050
Manganese (Mn), % 0 to 0.5
1.5 to 2.5
Nickel (Ni), % 15.5 to 17
29 to 32
Tin (Sn), % 2.5 to 3.5
0
Zinc (Zn), % 10 to 19.5
0 to 1.0
Residuals, % 0
0 to 0.5