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Nickel 686 vs. AISI 301L Stainless Steel

Nickel 686 belongs to the nickel alloys classification, while AISI 301L stainless steel belongs to the iron alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is AISI 301L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 51
22 to 50
Fatigue Strength, MPa 410
240 to 530
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 560
440 to 660
Tensile Strength: Ultimate (UTS), MPa 780
620 to 1040
Tensile Strength: Yield (Proof), MPa 350
250 to 790

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 980
890
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 9.8
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 70
13
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 12
2.7
Embodied Energy, MJ/kg 170
39
Embodied Water, L/kg 300
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 280
160 to 1580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
22 to 37
Strength to Weight: Bending, points 21
21 to 29
Thermal Diffusivity, mm2/s 2.6
4.1
Thermal Shock Resistance, points 21
14 to 24

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 19 to 23
16 to 18
Iron (Fe), % 0 to 5.0
70.7 to 78
Manganese (Mn), % 0 to 0.75
0 to 2.0
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 49.5 to 63
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
0