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Nickel 686 vs. N06025 Nickel

Both nickel 686 and N06025 nickel are nickel alloys. Both are furnished in the annealed condition. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is nickel 686 and the bottom bar is N06025 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 51
32
Fatigue Strength, MPa 410
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 560
500
Tensile Strength: Ultimate (UTS), MPa 780
760
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 980
1000
Melting Completion (Liquidus), °C 1380
1350
Melting Onset (Solidus), °C 1340
1300
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 9.8
11
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 70
50
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 12
8.4
Embodied Energy, MJ/kg 170
120
Embodied Water, L/kg 300
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
190
Resilience: Unit (Modulus of Resilience), kJ/m3 280
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 2.6
2.9
Thermal Shock Resistance, points 21
21

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.4
Carbon (C), % 0 to 0.010
0.15 to 0.25
Chromium (Cr), % 19 to 23
24 to 26
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0 to 5.0
8.0 to 11
Manganese (Mn), % 0 to 0.75
0 to 0.15
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 49.5 to 63
59.2 to 65.9
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.080
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0.020 to 0.25
0.1 to 0.2
Tungsten (W), % 3.0 to 4.4
0
Yttrium (Y), % 0
0.050 to 0.12
Zinc (Zn), % 0
0.010 to 0.1