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C71640 Copper-nickel vs. N06650 Nickel

C71640 copper-nickel belongs to the copper alloys classification, while N06650 nickel belongs to the nickel alloys. They have a modest 33% 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 N06650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
82
Tensile Strength: Ultimate (UTS), MPa 490 to 630
900
Tensile Strength: Yield (Proof), MPa 190 to 460
460

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Maximum Temperature: Mechanical, °C 260
980
Melting Completion (Liquidus), °C 1180
1500
Melting Onset (Solidus), °C 1120
1450
Specific Heat Capacity, J/kg-K 410
440
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 40
60
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 5.0
10
Embodied Energy, MJ/kg 73
140
Embodied Water, L/kg 280
270

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
490
Stiffness to Weight: Axial, points 8.7
14
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 15 to 20
29
Strength to Weight: Bending, points 16 to 18
24
Thermal Shock Resistance, points 16 to 21
24

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.5
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 61.7 to 67.8
0 to 0.3
Iron (Fe), % 1.7 to 2.3
12 to 16
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 1.5 to 2.5
0 to 0.5
Molybdenum (Mo), % 0
9.5 to 12.5
Nickel (Ni), % 29 to 32
44.4 to 58.9
Niobium (Nb), % 0
0.050 to 0.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Tungsten (W), % 0
0.5 to 2.5
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0