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N08221 Nickel vs. Nickel 686

Both N08221 nickel and nickel 686 are nickel alloys. Both are furnished in the annealed condition. They have 72% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is N08221 nickel and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 34
51
Fatigue Strength, MPa 190
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
77
Shear Strength, MPa 410
560
Tensile Strength: Ultimate (UTS), MPa 610
780
Tensile Strength: Yield (Proof), MPa 270
350

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 980
980
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1390
1340
Specific Heat Capacity, J/kg-K 460
420
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 44
70
Density, g/cm3 8.3
9.0
Embodied Carbon, kg CO2/kg material 7.9
12
Embodied Energy, MJ/kg 110
170
Embodied Water, L/kg 240
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
320
Resilience: Unit (Modulus of Resilience), kJ/m3 170
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 16
21

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0 to 0.025
0 to 0.010
Chromium (Cr), % 20 to 22
19 to 23
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 22 to 33.9
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.75
Molybdenum (Mo), % 5.0 to 6.5
15 to 17
Nickel (Ni), % 39 to 46
49.5 to 63
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0.6 to 1.0
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4