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Nickel 686 vs. EN 1.4313 Stainless Steel

Nickel 686 belongs to the nickel alloys classification, while EN 1.4313 stainless steel belongs to the iron alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4313 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 51
12 to 17
Fatigue Strength, MPa 410
340 to 510
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 560
460 to 600
Tensile Strength: Ultimate (UTS), MPa 780
750 to 1000
Tensile Strength: Yield (Proof), MPa 350
580 to 910

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 980
780
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1400
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
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 70
10
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 12
2.4
Embodied Energy, MJ/kg 170
34
Embodied Water, L/kg 300
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 280
870 to 2100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
27 to 36
Strength to Weight: Bending, points 21
23 to 28
Thermal Diffusivity, mm2/s 2.6
6.7
Thermal Shock Resistance, points 21
27 to 36

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.050
Chromium (Cr), % 19 to 23
12 to 14
Iron (Fe), % 0 to 5.0
78.5 to 84.2
Manganese (Mn), % 0 to 0.75
0 to 1.5
Molybdenum (Mo), % 15 to 17
0.3 to 0.7
Nickel (Ni), % 49.5 to 63
3.5 to 4.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.080
0 to 0.7
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