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C97400 Nickel Silver vs. C70700 Copper-nickel

Both C97400 nickel silver and C70700 copper-nickel are copper alloys. They have 70% 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 C97400 nickel silver and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
73
Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 20
39
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 44
46
Tensile Strength: Ultimate (UTS), MPa 260
320
Tensile Strength: Yield (Proof), MPa 120
110

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 1100
1120
Melting Onset (Solidus), °C 1070
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 27
59
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
34
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 4.1
3.4
Embodied Energy, MJ/kg 64
52
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43
100
Resilience: Unit (Modulus of Resilience), kJ/m3 59
51
Stiffness to Weight: Axial, points 7.5
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 8.5
10
Strength to Weight: Bending, points 11
12
Thermal Diffusivity, mm2/s 8.3
17
Thermal Shock Resistance, points 8.8
12

Alloy Composition

Copper (Cu), % 58 to 61
88.5 to 90.5
Iron (Fe), % 0 to 1.5
0 to 0.050
Lead (Pb), % 4.5 to 5.5
0
Manganese (Mn), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 15.5 to 17
9.5 to 10.5
Tin (Sn), % 2.5 to 3.5
0
Zinc (Zn), % 10 to 19.5
0
Residuals, % 0
0 to 0.5