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Nickel 686 vs. EN 1.8550 Steel

Nickel 686 belongs to the nickel alloys classification, while EN 1.8550 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is EN 1.8550 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 51
11
Fatigue Strength, MPa 410
470
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 560
600
Tensile Strength: Ultimate (UTS), MPa 780
1000
Tensile Strength: Yield (Proof), MPa 350
760

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 980
440
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 9.8
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 70
3.4
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 12
1.7
Embodied Energy, MJ/kg 170
23
Embodied Water, L/kg 300
67

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
100
Resilience: Unit (Modulus of Resilience), kJ/m3 280
1550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
36
Strength to Weight: Bending, points 21
29
Thermal Diffusivity, mm2/s 2.6
11
Thermal Shock Resistance, points 21
29

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.010
0.3 to 0.37
Chromium (Cr), % 19 to 23
1.5 to 1.8
Iron (Fe), % 0 to 5.0
94.4 to 96.3
Manganese (Mn), % 0 to 0.75
0.4 to 0.7
Molybdenum (Mo), % 15 to 17
0.15 to 0.25
Nickel (Ni), % 49.5 to 63
0.85 to 1.2
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 0.035
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
0