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C72700 Copper-nickel vs. C18100 Copper

Both C72700 copper-nickel and C18100 copper are copper alloys. They have 84% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 4.0 to 36
8.3
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
47
Shear Strength, MPa 310 to 620
300
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
510
Tensile Strength: Yield (Proof), MPa 580 to 1060
460

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1100
1080
Melting Onset (Solidus), °C 930
1020
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 54
320
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
80
Electrical Conductivity: Equal Weight (Specific), % IACS 11
81

Otherwise Unclassified Properties

Base Metal Price, % relative 36
31
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 4.0
2.7
Embodied Energy, MJ/kg 62
43
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
40
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
900
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 14 to 34
16
Strength to Weight: Bending, points 15 to 26
16
Thermal Diffusivity, mm2/s 16
94
Thermal Shock Resistance, points 16 to 38
18

Alloy Composition

Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 82.1 to 86
98.7 to 99.49
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0.030 to 0.060
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 8.5 to 9.5
0
Niobium (Nb), % 0 to 0.1
0
Tin (Sn), % 5.5 to 6.5
0
Zinc (Zn), % 0 to 0.5
0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.5