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C74500 Nickel Silver vs. CC381H Copper-nickel

Both C74500 nickel silver and CC381H copper-nickel are copper alloys. They have 76% of their average alloy composition in common. There are 28 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 C74500 nickel silver and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
140
Elongation at Break, % 3.0 to 24
20
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 44
52
Tensile Strength: Ultimate (UTS), MPa 390 to 700
380
Tensile Strength: Yield (Proof), MPa 380 to 600
140

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 170
260
Melting Completion (Liquidus), °C 1020
1180
Melting Onset (Solidus), °C 970
1120
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 45
30
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 29
40
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.4
5.0
Embodied Energy, MJ/kg 54
73
Embodied Water, L/kg 310
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 160
60
Resilience: Unit (Modulus of Resilience), kJ/m3 620 to 1540
68
Stiffness to Weight: Axial, points 7.7
8.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 23
12
Strength to Weight: Bending, points 14 to 21
13
Thermal Diffusivity, mm2/s 14
8.4
Thermal Shock Resistance, points 13 to 23
13

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 63.5 to 66.5
64.5 to 69.9
Iron (Fe), % 0 to 0.25
0.5 to 1.5
Lead (Pb), % 0 to 0.1
0 to 0.030
Manganese (Mn), % 0 to 0.5
0.6 to 1.2
Nickel (Ni), % 9.0 to 11
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 21.2 to 27.5
0 to 0.5
Residuals, % 0 to 0.5
0