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Nickel 686 vs. EN 1.3555 Steel

Nickel 686 belongs to the nickel alloys classification, while EN 1.3555 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is EN 1.3555 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
770

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 980
540
Melting Completion (Liquidus), °C 1380
1500
Melting Onset (Solidus), °C 1340
1450
Specific Heat Capacity, J/kg-K 420
460
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
11
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 12
5.6
Embodied Energy, MJ/kg 170
81
Embodied Water, L/kg 300
90

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
27
Strength to Weight: Bending, points 21
23
Thermal Shock Resistance, points 21
22

Alloy Composition

Carbon (C), % 0 to 0.010
0.1 to 0.15
Chromium (Cr), % 19 to 23
3.9 to 4.3
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0 to 5.0
85.4 to 87.7
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
3.2 to 3.6
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.080
0.1 to 0.25
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 to 0.15
Vanadium (V), % 0
1.0 to 1.3