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Nickel 686 vs. EN 1.3551 Steel

Nickel 686 belongs to the nickel alloys classification, while EN 1.3551 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 EN 1.3551 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
75
Tensile Strength: Ultimate (UTS), MPa 780
720

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 980
530
Melting Completion (Liquidus), °C 1380
1490
Melting Onset (Solidus), °C 1340
1450
Specific Heat Capacity, J/kg-K 420
460
Thermal Conductivity, W/m-K 9.8
36
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
8.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.0
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 12
4.9
Embodied Energy, MJ/kg 170
71
Embodied Water, L/kg 300
82

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 2.6
9.8
Thermal Shock Resistance, points 21
21

Alloy Composition

Carbon (C), % 0 to 0.010
0.77 to 0.85
Chromium (Cr), % 19 to 23
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 5.0
88.8 to 91.1
Manganese (Mn), % 0 to 0.75
0.15 to 0.35
Molybdenum (Mo), % 15 to 17
4.0 to 4.5
Nickel (Ni), % 49.5 to 63
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.080
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1