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Nickel 686 vs. EN 1.6920 Steel

Nickel 686 belongs to the nickel alloys classification, while EN 1.6920 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is EN 1.6920 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 51
19
Fatigue Strength, MPa 410
290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 560
400
Tensile Strength: Ultimate (UTS), MPa 780
640
Tensile Strength: Yield (Proof), MPa 350
420

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 980
420
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 9.8
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.8
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 12
1.7
Embodied Energy, MJ/kg 170
23
Embodied Water, L/kg 300
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 2.6
10
Thermal Shock Resistance, points 21
19

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.17
Chromium (Cr), % 19 to 23
0.5 to 1.0
Iron (Fe), % 0 to 5.0
95.7 to 98
Manganese (Mn), % 0 to 0.75
1.0 to 1.5
Molybdenum (Mo), % 15 to 17
0.2 to 0.35
Nickel (Ni), % 49.5 to 63
0.3 to 0.7
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
Vanadium (V), % 0
0.050 to 0.1