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C70620 Copper-nickel vs. C18100 Copper

Both C70620 copper-nickel and C18100 copper are copper alloys. They have 89% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C70620 copper-nickel and the bottom bar is C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.34
Rockwell B Hardness 65 to 87
80
Shear Modulus, GPa 46
47
Tensile Strength: Ultimate (UTS), MPa 300 to 570
510

Thermal Properties

Latent Heat of Fusion, J/g 220
210
Maximum Temperature: Mechanical, °C 220
200
Melting Completion (Liquidus), °C 1120
1080
Melting Onset (Solidus), °C 1060
1020
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 49
320
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 51
43
Embodied Water, L/kg 300
310

Common Calculations

Stiffness to Weight: Axial, points 7.7
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 9.3 to 18
16
Strength to Weight: Bending, points 11 to 17
16
Thermal Diffusivity, mm2/s 14
94
Thermal Shock Resistance, points 10 to 20
18

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 86.5 to 90
98.7 to 99.49
Iron (Fe), % 1.0 to 1.8
0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
0.030 to 0.060
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.2
0
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.5
0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.5