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Nickel 686 vs. EN 1.4310 Stainless Steel

Nickel 686 belongs to the nickel alloys classification, while EN 1.4310 stainless steel belongs to the iron alloys. They have a modest 29% 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 1.4310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 51
14 to 45
Fatigue Strength, MPa 410
240 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 560
510 to 550
Tensile Strength: Ultimate (UTS), MPa 780
730 to 900
Tensile Strength: Yield (Proof), MPa 350
260 to 570

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 980
910
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 9.8
15
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 12
2.9
Embodied Energy, MJ/kg 170
42
Embodied Water, L/kg 300
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
110 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 280
170 to 830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
26 to 32
Strength to Weight: Bending, points 21
23 to 27
Thermal Diffusivity, mm2/s 2.6
4.0
Thermal Shock Resistance, points 21
15 to 18

Alloy Composition

Carbon (C), % 0 to 0.010
0.050 to 0.15
Chromium (Cr), % 19 to 23
16 to 19
Iron (Fe), % 0 to 5.0
66.4 to 78
Manganese (Mn), % 0 to 0.75
0 to 2.0
Molybdenum (Mo), % 15 to 17
0 to 0.8
Nickel (Ni), % 49.5 to 63
6.0 to 9.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.080
0 to 2.0
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