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CC381H Copper-nickel vs. Nickel 617

CC381H copper-nickel belongs to the copper alloys classification, while nickel 617 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 nickel 617.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
210
Elongation at Break, % 20
40
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
80
Tensile Strength: Ultimate (UTS), MPa 380
740
Tensile Strength: Yield (Proof), MPa 140
280

Thermal Properties

Latent Heat of Fusion, J/g 240
330
Maximum Temperature: Mechanical, °C 260
1010
Melting Completion (Liquidus), °C 1180
1380
Melting Onset (Solidus), °C 1120
1330
Specific Heat Capacity, J/kg-K 410
450
Thermal Conductivity, W/m-K 30
13
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 40
75
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 5.0
10
Embodied Energy, MJ/kg 73
140
Embodied Water, L/kg 280
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
230
Resilience: Unit (Modulus of Resilience), kJ/m3 68
190
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 12
24
Strength to Weight: Bending, points 13
21
Thermal Diffusivity, mm2/s 8.4
3.5
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 0 to 0.010
0.8 to 1.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 0
20 to 24
Cobalt (Co), % 0
10 to 15
Copper (Cu), % 64.5 to 69.9
0 to 0.5
Iron (Fe), % 0.5 to 1.5
0 to 3.0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 29 to 31
44.5 to 62
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Zinc (Zn), % 0 to 0.5
0