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C71640 Copper-nickel vs. C82600 Copper

Both C71640 copper-nickel and C82600 copper are copper alloys. They have 65% of their average alloy composition in common. There are 25 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 C82600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 52
46
Tensile Strength: Ultimate (UTS), MPa 490 to 630
570 to 1140
Tensile Strength: Yield (Proof), MPa 190 to 460
320 to 1070

Thermal Properties

Latent Heat of Fusion, J/g 240
240
Maximum Temperature: Mechanical, °C 260
300
Melting Completion (Liquidus), °C 1180
950
Melting Onset (Solidus), °C 1120
860
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 29
130
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
19
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
20

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 5.0
11
Embodied Energy, MJ/kg 73
180
Embodied Water, L/kg 280
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
430 to 4690
Stiffness to Weight: Axial, points 8.7
7.8
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15 to 20
18 to 36
Strength to Weight: Bending, points 16 to 18
17 to 28
Thermal Diffusivity, mm2/s 8.2
37
Thermal Shock Resistance, points 16 to 21
19 to 39

Alloy Composition


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Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.3 to 2.6
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.35 to 0.65
Copper (Cu), % 61.7 to 67.8
94.9 to 97.2
Iron (Fe), % 1.7 to 2.3
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 29 to 32
0 to 0.2
Silicon (Si), % 0
0.2 to 0.35
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0 to 1.0
0 to 0.1
Residuals, % 0 to 0.5
0 to 0.5