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Nickel 686 vs. N08801 Stainless Steel

Nickel 686 belongs to the nickel alloys classification, while N08801 stainless steel belongs to the iron alloys. They have 56% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 51
34
Fatigue Strength, MPa 410
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 560
570
Tensile Strength: Ultimate (UTS), MPa 780
860
Tensile Strength: Yield (Proof), MPa 350
190

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 980
1090
Melting Completion (Liquidus), °C 1380
1390
Melting Onset (Solidus), °C 1340
1360
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 9.8
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 70
30
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 12
5.5
Embodied Energy, MJ/kg 170
79
Embodied Water, L/kg 300
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
220
Resilience: Unit (Modulus of Resilience), kJ/m3 280
92
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
30
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 2.6
3.3
Thermal Shock Resistance, points 21
20

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.1
Chromium (Cr), % 19 to 23
19 to 22
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 5.0
39.5 to 50.3
Manganese (Mn), % 0 to 0.75
0 to 1.5
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 49.5 to 63
30 to 34
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0.020 to 0.25
0.75 to 1.5
Tungsten (W), % 3.0 to 4.4
0