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C71640 Copper-nickel vs. C82200 Copper

Both C71640 copper-nickel and C82200 copper are copper alloys. They have 67% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is C82200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
44
Tensile Strength: Ultimate (UTS), MPa 490 to 630
390 to 660
Tensile Strength: Yield (Proof), MPa 190 to 460
210 to 520

Thermal Properties

Latent Heat of Fusion, J/g 240
220
Maximum Temperature: Mechanical, °C 260
230
Melting Completion (Liquidus), °C 1180
1080
Melting Onset (Solidus), °C 1120
1040
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 29
180
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
45
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
46

Otherwise Unclassified Properties

Base Metal Price, % relative 40
55
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 5.0
4.8
Embodied Energy, MJ/kg 73
74
Embodied Water, L/kg 280
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
180 to 1130
Stiffness to Weight: Axial, points 8.7
7.4
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 20
12 to 20
Strength to Weight: Bending, points 16 to 18
13 to 19
Thermal Diffusivity, mm2/s 8.2
53
Thermal Shock Resistance, points 16 to 21
14 to 23

Alloy Composition


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Beryllium (Be), % 0
0.35 to 0.8
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 61.7 to 67.8
97.4 to 98.7
Iron (Fe), % 1.7 to 2.3
0
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 29 to 32
1.0 to 2.0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0 to 0.5