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CC381H Copper-nickel vs. EN 2.4642 Nickel

CC381H copper-nickel belongs to the copper alloys classification, while EN 2.4642 nickel belongs to the nickel 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 CC381H copper-nickel and the bottom bar is EN 2.4642 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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