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Nickel 686 vs. EN 1.4006 Stainless Steel

Nickel 686 belongs to the nickel alloys classification, while EN 1.4006 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 1.4006 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 51
16 to 23
Fatigue Strength, MPa 410
150 to 300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 560
370 to 460
Tensile Strength: Ultimate (UTS), MPa 780
590 to 750
Tensile Strength: Yield (Proof), MPa 350
230 to 510

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 980
740
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 9.8
30
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 70
7.0
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 12
1.9
Embodied Energy, MJ/kg 170
27
Embodied Water, L/kg 300
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
99 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
140 to 660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
21 to 27
Strength to Weight: Bending, points 21
20 to 24
Thermal Diffusivity, mm2/s 2.6
8.1
Thermal Shock Resistance, points 21
21 to 26

Alloy Composition

Carbon (C), % 0 to 0.010
0.080 to 0.15
Chromium (Cr), % 19 to 23
11.5 to 13.5
Iron (Fe), % 0 to 5.0
83.1 to 88.4
Manganese (Mn), % 0 to 0.75
0 to 1.5
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 49.5 to 63
0 to 0.75
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 to 0.015
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
0