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Nickel 686 vs. N08031 Stainless Steel

Nickel 686 belongs to the nickel alloys classification, while N08031 stainless steel belongs to the iron alloys. They have 61% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 51
45
Fatigue Strength, MPa 410
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 560
510
Tensile Strength: Ultimate (UTS), MPa 780
730
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 420
460
Thermal Conductivity, W/m-K 9.8
12
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 70
39
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 12
7.1
Embodied Energy, MJ/kg 170
96
Embodied Water, L/kg 300
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
270
Resilience: Unit (Modulus of Resilience), kJ/m3 280
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 2.6
3.1
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.015
Chromium (Cr), % 19 to 23
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Iron (Fe), % 0 to 5.0
29 to 36.9
Manganese (Mn), % 0 to 0.75
0 to 2.0
Molybdenum (Mo), % 15 to 17
6.0 to 7.0
Nickel (Ni), % 49.5 to 63
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.080
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
0