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EN 1.4104 Stainless Steel vs. Nickel 686

EN 1.4104 stainless steel belongs to the iron alloys classification, while nickel 686 belongs to the nickel 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 EN 1.4104 stainless steel and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 11 to 23
51
Fatigue Strength, MPa 230 to 310
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77
Shear Strength, MPa 400 to 450
560
Tensile Strength: Ultimate (UTS), MPa 630 to 750
780
Tensile Strength: Yield (Proof), MPa 350 to 560
350

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 860
980
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1390
1340
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 25
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 2.9
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
70
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.2
12
Embodied Energy, MJ/kg 30
170
Embodied Water, L/kg 120
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
320
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 800
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 23 to 27
24
Strength to Weight: Bending, points 21 to 24
21
Thermal Diffusivity, mm2/s 6.7
2.6
Thermal Shock Resistance, points 22 to 27
21

Alloy Composition

Carbon (C), % 0.1 to 0.17
0 to 0.010
Chromium (Cr), % 15.5 to 17.5
19 to 23
Iron (Fe), % 78.8 to 84.1
0 to 5.0
Manganese (Mn), % 0 to 1.5
0 to 0.75
Molybdenum (Mo), % 0.2 to 0.6
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), % 0.15 to 0.35
0 to 0.020
Titanium (Ti), % 0
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4