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CC381H Copper-nickel vs. C77000 Nickel Silver

Both CC381H copper-nickel and C77000 nickel silver are copper alloys. They have 74% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is C77000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
120
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 52
46
Tensile Strength: Ultimate (UTS), MPa 380
420 to 800

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 260
180
Melting Completion (Liquidus), °C 1180
1050
Melting Onset (Solidus), °C 1120
1000
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 30
29
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
6.0

Otherwise Unclassified Properties

Base Metal Price, % relative 40
31
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 5.0
4.1
Embodied Energy, MJ/kg 73
63
Embodied Water, L/kg 280
300

Common Calculations

Stiffness to Weight: Axial, points 8.6
8.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12
14 to 27
Strength to Weight: Bending, points 13
15 to 23
Thermal Diffusivity, mm2/s 8.4
8.8
Thermal Shock Resistance, points 13
15 to 28

Alloy Composition


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Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 64.5 to 69.9
53.5 to 56.5
Iron (Fe), % 0.5 to 1.5
0 to 0.25
Lead (Pb), % 0 to 0.030
0 to 0.050
Manganese (Mn), % 0.6 to 1.2
0 to 0.5
Nickel (Ni), % 29 to 31
16.5 to 19.5
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0 to 0.5
22.7 to 30
Residuals, % 0
0 to 0.5