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C72150 Copper-nickel vs. C79600 Nickel Silver

Both C72150 copper-nickel and C79600 nickel silver are copper alloys. They have 55% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C79600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Elongation at Break, % 29
15
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 55
43
Shear Strength, MPa 320
290
Tensile Strength: Ultimate (UTS), MPa 490
480
Tensile Strength: Yield (Proof), MPa 210
300

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 600
130
Melting Completion (Liquidus), °C 1210
930
Melting Onset (Solidus), °C 1250
880
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 22
36
Thermal Expansion, µm/m-K 14
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 45
25
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 6.1
3.5
Embodied Energy, MJ/kg 88
57
Embodied Water, L/kg 270
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
63
Resilience: Unit (Modulus of Resilience), kJ/m3 150
400
Stiffness to Weight: Axial, points 9.1
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 15
17
Thermal Diffusivity, mm2/s 6.0
12
Thermal Shock Resistance, points 18
15

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
43.5 to 46.5
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.050
0.8 to 1.2
Manganese (Mn), % 0 to 0.050
1.5 to 2.5
Nickel (Ni), % 43 to 46
9.0 to 11
Silicon (Si), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.2
38.3 to 45.2
Residuals, % 0 to 0.5
0 to 0.5