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Nickel 686 vs. EN 1.4565 Stainless Steel

Nickel 686 belongs to the nickel alloys classification, while EN 1.4565 stainless steel belongs to the iron alloys. They have 46% of their average alloy composition in common. 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 1.4565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 51
35
Fatigue Strength, MPa 410
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 560
590
Tensile Strength: Ultimate (UTS), MPa 780
880
Tensile Strength: Yield (Proof), MPa 350
480

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 9.8
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 70
28
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 12
5.4
Embodied Energy, MJ/kg 170
74
Embodied Water, L/kg 300
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
260
Resilience: Unit (Modulus of Resilience), kJ/m3 280
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 21
26
Thermal Diffusivity, mm2/s 2.6
3.2
Thermal Shock Resistance, points 21
21

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 19 to 23
24 to 26
Iron (Fe), % 0 to 5.0
41.2 to 50.7
Manganese (Mn), % 0 to 0.75
5.0 to 7.0
Molybdenum (Mo), % 15 to 17
4.0 to 5.0
Nickel (Ni), % 49.5 to 63
16 to 19
Niobium (Nb), % 0
0 to 0.15
Nitrogen (N), % 0
0.3 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.080
0 to 1.0
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