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EN 1.3555 Steel vs. Nickel 686

EN 1.3555 steel belongs to the iron alloys classification, while nickel 686 belongs to the nickel 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 EN 1.3555 steel and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 770
780

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.010
Chromium (Cr), % 3.9 to 4.3
19 to 23
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 85.4 to 87.7
0 to 5.0
Manganese (Mn), % 0.15 to 0.35
0 to 0.75
Molybdenum (Mo), % 4.0 to 4.5
15 to 17
Nickel (Ni), % 3.2 to 3.6
49.5 to 63
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.1 to 0.25
0 to 0.080
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0
0.020 to 0.25
Tungsten (W), % 0 to 0.15
3.0 to 4.4
Vanadium (V), % 1.0 to 1.3
0