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Nickel 686 vs. EN 1.4104 Stainless Steel

Nickel 686 belongs to the nickel alloys classification, while EN 1.4104 stainless 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 1.4104 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 51
11 to 23
Fatigue Strength, MPa 410
230 to 310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 560
400 to 450
Tensile Strength: Ultimate (UTS), MPa 780
630 to 750
Tensile Strength: Yield (Proof), MPa 350
350 to 560

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 980
860
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 9.8
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 70
8.5
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 12
2.2
Embodied Energy, MJ/kg 170
30
Embodied Water, L/kg 300
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
77 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
310 to 800
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
23 to 27
Strength to Weight: Bending, points 21
21 to 24
Thermal Diffusivity, mm2/s 2.6
6.7
Thermal Shock Resistance, points 21
22 to 27

Alloy Composition

Carbon (C), % 0 to 0.010
0.1 to 0.17
Chromium (Cr), % 19 to 23
15.5 to 17.5
Iron (Fe), % 0 to 5.0
78.8 to 84.1
Manganese (Mn), % 0 to 0.75
0 to 1.5
Molybdenum (Mo), % 15 to 17
0.2 to 0.6
Nickel (Ni), % 49.5 to 63
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0 to 0.020
0.15 to 0.35
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
0