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EN 1.3543 Stainless Steel vs. Nickel 686

EN 1.3543 stainless steel belongs to the iron alloys classification, while nickel 686 belongs to the nickel alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3543 stainless steel and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 730
780

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 870
980
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1390
1340
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 22
9.8
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
70
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.3
12
Embodied Energy, MJ/kg 32
170
Embodied Water, L/kg 120
300

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 6.1
2.6
Thermal Shock Resistance, points 26
21

Alloy Composition

Carbon (C), % 1.0 to 1.2
0 to 0.010
Chromium (Cr), % 16 to 18
19 to 23
Iron (Fe), % 79.1 to 83.6
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.75
Molybdenum (Mo), % 0.4 to 0.8
15 to 17
Nickel (Ni), % 0
49.5 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4