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Nickel 686 vs. SAE-AISI S1 Steel

Nickel 686 belongs to the nickel alloys classification, while SAE-AISI S1 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is SAE-AISI S1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 780
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1380
1500
Melting Onset (Solidus), °C 1340
1450
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 9.8
41
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 70
8.0
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 12
2.6
Embodied Energy, MJ/kg 170
37
Embodied Water, L/kg 300
56

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
24 to 64
Strength to Weight: Bending, points 21
22 to 42
Thermal Diffusivity, mm2/s 2.6
11
Thermal Shock Resistance, points 21
21 to 56

Alloy Composition

Carbon (C), % 0 to 0.010
0.4 to 0.55
Chromium (Cr), % 19 to 23
1.0 to 1.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 5.0
91.6 to 96.7
Manganese (Mn), % 0 to 0.75
0.1 to 0.4
Molybdenum (Mo), % 15 to 17
0 to 0.5
Nickel (Ni), % 49.5 to 63
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.080
0.15 to 1.2
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
1.5 to 3.0
Vanadium (V), % 0
0.15 to 0.3