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EN 1.4864 Stainless Steel vs. Nickel 686

EN 1.4864 stainless steel belongs to the iron alloys classification, while nickel 686 belongs to the nickel alloys. They have 54% 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 EN 1.4864 stainless steel and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 33
51
Fatigue Strength, MPa 200
410
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
77
Shear Strength, MPa 430
560
Tensile Strength: Ultimate (UTS), MPa 650
780
Tensile Strength: Yield (Proof), MPa 260
350

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1390
1380
Melting Onset (Solidus), °C 1340
1340
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 13
9.8
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
70
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 5.3
12
Embodied Energy, MJ/kg 75
170
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
320
Resilience: Unit (Modulus of Resilience), kJ/m3 170
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 3.3
2.6
Thermal Shock Resistance, points 17
21

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.010
Chromium (Cr), % 15 to 17
19 to 23
Iron (Fe), % 41.7 to 51
0 to 5.0
Manganese (Mn), % 0 to 2.0
0 to 0.75
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 33 to 37
49.5 to 63
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 0.080
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4