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C77400 Nickel Silver vs. C70400 Copper-nickel

Both C77400 nickel silver and C70400 copper-nickel are copper alloys. They have 51% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C77400 nickel silver and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 570
300 to 310
Tensile Strength: Yield (Proof), MPa 250
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 130
210
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
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
14
Electrical Conductivity: Equal Weight (Specific), % IACS 31
14

Otherwise Unclassified Properties

Base Metal Price, % relative 25
32
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 3.5
3.0
Embodied Energy, MJ/kg 57
47
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 290
38 to 220
Stiffness to Weight: Axial, points 7.7
7.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 20
9.3 to 9.8
Strength to Weight: Bending, points 19
11 to 12
Thermal Shock Resistance, points 18
10 to 11

Alloy Composition

Copper (Cu), % 43 to 47
89.8 to 93.6
Iron (Fe), % 0
1.3 to 1.7
Lead (Pb), % 0 to 0.2
0 to 0.050
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 9.0 to 11
4.8 to 6.2
Zinc (Zn), % 41.3 to 48
0 to 1.0
Residuals, % 0
0 to 0.5