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C71640 Copper-nickel vs. C97800 Nickel Silver

Both C71640 copper-nickel and C97800 nickel silver are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 52
48
Tensile Strength: Ultimate (UTS), MPa 490 to 630
370
Tensile Strength: Yield (Proof), MPa 190 to 460
170

Thermal Properties

Latent Heat of Fusion, J/g 240
220
Maximum Temperature: Mechanical, °C 260
230
Melting Completion (Liquidus), °C 1180
1180
Melting Onset (Solidus), °C 1120
1140
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 29
25
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 40
40
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 5.0
5.1
Embodied Energy, MJ/kg 73
76
Embodied Water, L/kg 280
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
120
Stiffness to Weight: Axial, points 8.7
8.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15 to 20
12
Strength to Weight: Bending, points 16 to 18
13
Thermal Diffusivity, mm2/s 8.2
7.3
Thermal Shock Resistance, points 16 to 21
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 61.7 to 67.8
64 to 67
Iron (Fe), % 1.7 to 2.3
0 to 1.5
Lead (Pb), % 0 to 0.050
1.0 to 2.5
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 29 to 32
24 to 27
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.15
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 5.5
Zinc (Zn), % 0 to 1.0
1.0 to 4.0
Residuals, % 0
0 to 0.4