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C71640 Copper-nickel vs. C97300 Nickel Silver

Both C71640 copper-nickel and C97300 nickel silver are copper alloys. They have 70% 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 C97300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 52
40
Tensile Strength: Ultimate (UTS), MPa 490 to 630
230
Tensile Strength: Yield (Proof), MPa 190 to 460
110

Thermal Properties

Latent Heat of Fusion, J/g 240
180
Maximum Temperature: Mechanical, °C 260
150
Melting Completion (Liquidus), °C 1180
1040
Melting Onset (Solidus), °C 1120
1010
Specific Heat Capacity, J/kg-K 410
370
Thermal Conductivity, W/m-K 29
29
Thermal Expansion, µm/m-K 15
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 40
30
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 5.0
3.7
Embodied Energy, MJ/kg 73
59
Embodied Water, L/kg 280
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
59
Stiffness to Weight: Axial, points 8.7
7.0
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 20
7.6
Strength to Weight: Bending, points 16 to 18
9.8
Thermal Diffusivity, mm2/s 8.2
9.3
Thermal Shock Resistance, points 16 to 21
8.0

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Copper (Cu), % 61.7 to 67.8
53 to 58
Iron (Fe), % 1.7 to 2.3
0 to 1.5
Lead (Pb), % 0 to 0.050
8.0 to 11
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 29 to 32
11 to 14
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.15
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
1.5 to 3.0
Zinc (Zn), % 0 to 1.0
17 to 25
Residuals, % 0 to 0.5
0 to 1.0