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C72700 Copper-nickel vs. C82600 Copper

Both C72700 copper-nickel and C82600 copper are copper alloys. They have 85% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is C82600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 4.0 to 36
1.0 to 20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
46
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
570 to 1140
Tensile Strength: Yield (Proof), MPa 580 to 1060
320 to 1070

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 200
300
Melting Completion (Liquidus), °C 1100
950
Melting Onset (Solidus), °C 930
860
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 54
130
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
19
Electrical Conductivity: Equal Weight (Specific), % IACS 11
20

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 4.0
11
Embodied Energy, MJ/kg 62
180
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
11 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
430 to 4690
Stiffness to Weight: Axial, points 7.4
7.8
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14 to 34
18 to 36
Strength to Weight: Bending, points 15 to 26
17 to 28
Thermal Diffusivity, mm2/s 16
37
Thermal Shock Resistance, points 16 to 38
19 to 39

Alloy Composition

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), % 82.1 to 86
94.9 to 97.2
Iron (Fe), % 0 to 0.5
0 to 0.25
Lead (Pb), % 0 to 0.020
0 to 0.020
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 8.5 to 9.5
0 to 0.2
Niobium (Nb), % 0 to 0.1
0
Silicon (Si), % 0
0.2 to 0.35
Tin (Sn), % 5.5 to 6.5
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0 to 0.5
0 to 0.1
Residuals, % 0
0 to 0.5