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C71640 Copper-nickel vs. N06255 Nickel

C71640 copper-nickel belongs to the copper alloys classification, while N06255 nickel belongs to the nickel alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 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 C71640 copper-nickel and the bottom bar is N06255 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
81
Tensile Strength: Ultimate (UTS), MPa 490 to 630
660
Tensile Strength: Yield (Proof), MPa 190 to 460
250

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Maximum Temperature: Mechanical, °C 260
1000
Melting Completion (Liquidus), °C 1180
1470
Melting Onset (Solidus), °C 1120
1420
Specific Heat Capacity, J/kg-K 410
450
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 40
55
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 5.0
9.4
Embodied Energy, MJ/kg 73
130
Embodied Water, L/kg 280
270

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
150
Stiffness to Weight: Axial, points 8.7
14
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 15 to 20
22
Strength to Weight: Bending, points 16 to 18
20
Thermal Shock Resistance, points 16 to 21
17

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 26
Copper (Cu), % 61.7 to 67.8
0 to 1.2
Iron (Fe), % 1.7 to 2.3
6.0 to 24
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 1.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 9.0
Nickel (Ni), % 29 to 32
47 to 52
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.69
Tungsten (W), % 0
0 to 3.0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0