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C75700 Nickel Silver vs. C70400 Copper-nickel

Both C75700 nickel silver and C70400 copper-nickel are copper alloys. They have 72% 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 C75700 nickel silver and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
45
Tensile Strength: Ultimate (UTS), MPa 590 to 610
300 to 310
Tensile Strength: Yield (Proof), MPa 470 to 580
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 1040
1120
Melting Onset (Solidus), °C 990
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 40
64
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
14
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
14

Otherwise Unclassified Properties

Base Metal Price, % relative 30
32
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 3.6
3.0
Embodied Energy, MJ/kg 56
47
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
38 to 220
Stiffness to Weight: Axial, points 7.8
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19 to 20
9.3 to 9.8
Strength to Weight: Bending, points 19
11 to 12
Thermal Diffusivity, mm2/s 12
18
Thermal Shock Resistance, points 22 to 23
10 to 11

Alloy Composition

Copper (Cu), % 63.5 to 66.5
89.8 to 93.6
Iron (Fe), % 0 to 0.25
1.3 to 1.7
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.5
0.3 to 0.8
Nickel (Ni), % 11 to 13
4.8 to 6.2
Zinc (Zn), % 19.2 to 25.5
0 to 1.0
Residuals, % 0 to 0.5
0 to 0.5