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Nickel 686 vs. Grade FDC Steel

Nickel 686 belongs to the nickel alloys classification, while grade FDC steel belongs to the iron alloys. There are 24 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 grade FDC 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
80
Tensile Strength: Ultimate (UTS), MPa 780
1680

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 9.8
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.9
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 12
1.4
Embodied Energy, MJ/kg 170
19
Embodied Water, L/kg 300
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
60
Strength to Weight: Bending, points 21
40
Thermal Diffusivity, mm2/s 2.6
14
Thermal Shock Resistance, points 21
50

Alloy Composition

Carbon (C), % 0 to 0.010
0.6 to 0.75
Chromium (Cr), % 19 to 23
0 to 0.3
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 0 to 5.0
98 to 99.4
Manganese (Mn), % 0 to 0.75
0.5 to 1.2
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 49.5 to 63
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.080
0.1 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.025
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
0