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C82000 Copper vs. C72200 Copper-nickel

Both C82000 copper and C72200 copper-nickel are copper alloys. They have 82% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C82000 copper and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
130
Poisson's Ratio 0.34
0.33
Rockwell B Hardness 55 to 95
71 to 86
Shear Modulus, GPa 45
48
Tensile Strength: Ultimate (UTS), MPa 350 to 690
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 220
220
Maximum Temperature: Mechanical, °C 220
230
Melting Completion (Liquidus), °C 1090
1180
Melting Onset (Solidus), °C 970
1120
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 260
34
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 46
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 60
36
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 5.0
3.9
Embodied Energy, MJ/kg 77
59
Embodied Water, L/kg 320
300

Common Calculations

Stiffness to Weight: Axial, points 7.5
8.0
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11 to 22
11 to 18
Strength to Weight: Bending, points 12 to 20
12 to 17
Thermal Diffusivity, mm2/s 76
9.6
Thermal Shock Resistance, points 12 to 24
12 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Beryllium (Be), % 0.45 to 0.8
0
Chromium (Cr), % 0 to 0.1
0.3 to 0.7
Cobalt (Co), % 2.2 to 2.7
0
Copper (Cu), % 95.2 to 97.4
78.1 to 84.2
Iron (Fe), % 0 to 0.1
0.5 to 1.0
Lead (Pb), % 0 to 0.020
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.2
15 to 18
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0 to 1.0
Residuals, % 0
0 to 0.2