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EN 2.4642 Nickel vs. CC381H Copper-nickel

EN 2.4642 nickel belongs to the nickel alloys classification, while CC381H copper-nickel belongs to the copper alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 2.4642 nickel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 34
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
52
Tensile Strength: Ultimate (UTS), MPa 670
380
Tensile Strength: Yield (Proof), MPa 270
140

Thermal Properties

Latent Heat of Fusion, J/g 320
240
Maximum Temperature: Mechanical, °C 1010
260
Melting Completion (Liquidus), °C 1360
1180
Melting Onset (Solidus), °C 1320
1120
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 12
30
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 50
40
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 8.2
5.0
Embodied Energy, MJ/kg 120
73
Embodied Water, L/kg 290
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
60
Resilience: Unit (Modulus of Resilience), kJ/m3 180
68
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 23
12
Strength to Weight: Bending, points 21
13
Thermal Diffusivity, mm2/s 3.1
8.4
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.010
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
64.5 to 69.9
Iron (Fe), % 7.0 to 11
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 0.5
0.6 to 1.2
Nickel (Ni), % 55.9 to 66
29 to 31
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.010
Zinc (Zn), % 0
0 to 0.5