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CC381H Copper-nickel vs. C74000 Nickel Silver

Both CC381H copper-nickel and C74000 nickel silver are copper alloys. They have 78% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
120
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 52
44
Tensile Strength: Ultimate (UTS), MPa 380
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 260
180
Melting Completion (Liquidus), °C 1180
990
Melting Onset (Solidus), °C 1120
950
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
40
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
42

Otherwise Unclassified Properties

Base Metal Price, % relative 40
30
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 5.0
3.4
Embodied Energy, MJ/kg 73
54
Embodied Water, L/kg 280
310

Common Calculations

Stiffness to Weight: Axial, points 8.6
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
13 to 19
Strength to Weight: Bending, points 13
14 to 18
Thermal Shock Resistance, points 13
13 to 19

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
69 to 73.5
Iron (Fe), % 0.5 to 1.5
0 to 0.25
Lead (Pb), % 0 to 0.030
0 to 0.1
Manganese (Mn), % 0.6 to 1.2
0 to 0.5
Nickel (Ni), % 29 to 31
9.0 to 11
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
14.2 to 22
Residuals, % 0
0 to 0.5