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C75700 Nickel Silver vs. C70700 Copper-nickel

Both C75700 nickel silver and C70700 copper-nickel are copper alloys. They have 76% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 3.2 to 22
39
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
46
Shear Strength, MPa 350 to 370
220
Tensile Strength: Ultimate (UTS), MPa 590 to 610
320
Tensile Strength: Yield (Proof), MPa 470 to 580
110

Thermal Properties

Latent Heat of Fusion, J/g 200
220
Maximum Temperature: Mechanical, °C 180
220
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
59
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
34
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 3.6
3.4
Embodied Energy, MJ/kg 56
52
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
51
Stiffness to Weight: Axial, points 7.8
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19 to 20
10
Strength to Weight: Bending, points 19
12
Thermal Diffusivity, mm2/s 12
17
Thermal Shock Resistance, points 22 to 23
12

Alloy Composition

Copper (Cu), % 63.5 to 66.5
88.5 to 90.5
Iron (Fe), % 0 to 0.25
0 to 0.050
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 11 to 13
9.5 to 10.5
Zinc (Zn), % 19.2 to 25.5
0
Residuals, % 0 to 0.5
0 to 0.5