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N06920 Nickel vs. Nickel 686

Both N06920 nickel and nickel 686 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 N06920 nickel and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 39
51
Fatigue Strength, MPa 220
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 82
77
Shear Strength, MPa 500
560
Tensile Strength: Ultimate (UTS), MPa 730
780
Tensile Strength: Yield (Proof), MPa 270
350

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 990
980
Melting Completion (Liquidus), °C 1500
1380
Melting Onset (Solidus), °C 1440
1340
Specific Heat Capacity, J/kg-K 440
420
Thermal Conductivity, W/m-K 11
9.8
Thermal Expansion, µm/m-K 13
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 55
70
Density, g/cm3 8.6
9.0
Embodied Carbon, kg CO2/kg material 9.4
12
Embodied Energy, MJ/kg 130
170
Embodied Water, L/kg 270
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
320
Resilience: Unit (Modulus of Resilience), kJ/m3 180
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 2.8
2.6
Thermal Shock Resistance, points 19
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 20.5 to 23
19 to 23
Cobalt (Co), % 0 to 5.0
0
Iron (Fe), % 17 to 20
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.75
Molybdenum (Mo), % 8.0 to 10
15 to 17
Nickel (Ni), % 36.9 to 53.5
49.5 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.020 to 0.25
Tungsten (W), % 1.0 to 3.0
3.0 to 4.4