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C71640 Copper-nickel vs. C82400 Copper

Both C71640 copper-nickel and C82400 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 C82400 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
45
Tensile Strength: Ultimate (UTS), MPa 490 to 630
500 to 1030
Tensile Strength: Yield (Proof), MPa 190 to 460
260 to 970

Thermal Properties

Latent Heat of Fusion, J/g 240
230
Maximum Temperature: Mechanical, °C 260
270
Melting Completion (Liquidus), °C 1180
1000
Melting Onset (Solidus), °C 1120
900
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 29
130
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
26

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 5.0
8.9
Embodied Energy, MJ/kg 73
140
Embodied Water, L/kg 280
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
270 to 3870
Stiffness to Weight: Axial, points 8.7
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15 to 20
16 to 33
Strength to Weight: Bending, points 16 to 18
16 to 26
Thermal Diffusivity, mm2/s 8.2
39
Thermal Shock Resistance, points 16 to 21
17 to 36

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 61.7 to 67.8
96 to 98.2
Iron (Fe), % 1.7 to 2.3
0 to 0.2
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
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
0 to 0.5