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C82000 Copper vs. C74000 Nickel Silver

Both C82000 copper and C74000 nickel silver are copper alloys. They have 72% of their average alloy composition in common. There are 23 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 C82000 copper and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.32
Rockwell B Hardness 55 to 95
70 to 88
Shear Modulus, GPa 45
44
Tensile Strength: Ultimate (UTS), MPa 350 to 690
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 220
200
Maximum Temperature: Mechanical, °C 220
180
Melting Completion (Liquidus), °C 1090
990
Melting Onset (Solidus), °C 970
950
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
40
Electrical Conductivity: Equal Weight (Specific), % IACS 46
42

Otherwise Unclassified Properties

Base Metal Price, % relative 60
30
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 5.0
3.4
Embodied Energy, MJ/kg 77
54
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.5
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11 to 22
13 to 19
Strength to Weight: Bending, points 12 to 20
14 to 18
Thermal Shock Resistance, points 12 to 24
13 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Beryllium (Be), % 0.45 to 0.8
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 2.2 to 2.7
0
Copper (Cu), % 95.2 to 97.4
69 to 73.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.020
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.2
9.0 to 11
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
14.2 to 22
Residuals, % 0
0 to 0.5