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C77400 Nickel Silver vs. C70700 Copper-nickel

Both C77400 nickel silver and C70700 copper-nickel are copper alloys. They have 55% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C77400 nickel silver and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 25
39
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 42
46
Shear Strength, MPa 360
220
Tensile Strength: Ultimate (UTS), MPa 570
320
Tensile Strength: Yield (Proof), MPa 250
110

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 810
1120
Melting Onset (Solidus), °C 770
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
11
Electrical Conductivity: Equal Weight (Specific), % IACS 31
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
34
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 3.5
3.4
Embodied Energy, MJ/kg 57
52
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 290
51
Stiffness to Weight: Axial, points 7.7
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 20
10
Strength to Weight: Bending, points 19
12
Thermal Shock Resistance, points 18
12

Alloy Composition

Copper (Cu), % 43 to 47
88.5 to 90.5
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 9.0 to 11
9.5 to 10.5
Zinc (Zn), % 41.3 to 48
0
Residuals, % 0
0 to 0.5