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Nickel 690 vs. C96400 Copper-nickel

Nickel 690 belongs to the nickel alloys classification, while C96400 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 nickel 690 and the bottom bar is C96400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 3.4 to 34
25
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
51
Tensile Strength: Ultimate (UTS), MPa 640 to 990
490
Tensile Strength: Yield (Proof), MPa 250 to 760
260

Thermal Properties

Latent Heat of Fusion, J/g 320
240
Maximum Temperature: Mechanical, °C 1010
260
Melting Completion (Liquidus), °C 1380
1240
Melting Onset (Solidus), °C 1340
1170
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 14
28
Thermal Expansion, µm/m-K 14
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 50
45
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 8.2
5.9
Embodied Energy, MJ/kg 120
87
Embodied Water, L/kg 290
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
100
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
250
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 21 to 33
15
Strength to Weight: Bending, points 20 to 27
16
Thermal Diffusivity, mm2/s 3.5
7.8
Thermal Shock Resistance, points 16 to 25
17

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
62.3 to 71.3
Iron (Fe), % 7.0 to 11
0.25 to 1.5
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 58 to 66
28 to 32
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Residuals, % 0
0 to 0.5