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EN 1.4310 Stainless Steel vs. Nickel 686

EN 1.4310 stainless steel belongs to the iron alloys classification, while nickel 686 belongs to the nickel 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 EN 1.4310 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, % 14 to 45
51
Fatigue Strength, MPa 240 to 330
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77
Shear Strength, MPa 510 to 550
560
Tensile Strength: Ultimate (UTS), MPa 730 to 900
780
Tensile Strength: Yield (Proof), MPa 260 to 570
350

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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