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AISI 317LMN Stainless Steel vs. Nickel 686

AISI 317LMN stainless steel belongs to the iron alloys classification, while nickel 686 belongs to the nickel alloys. They have 41% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 317LMN 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, % 45
51
Fatigue Strength, MPa 250
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
77
Shear Strength, MPa 430
560
Tensile Strength: Ultimate (UTS), MPa 620
780
Tensile Strength: Yield (Proof), MPa 270
350

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 1020
980
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 14
9.8
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
70
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 4.8
12
Embodied Energy, MJ/kg 65
170
Embodied Water, L/kg 170
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
320
Resilience: Unit (Modulus of Resilience), kJ/m3 180
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 3.8
2.6
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 17 to 20
19 to 23
Iron (Fe), % 54.4 to 65.4
0 to 5.0
Manganese (Mn), % 0 to 2.0
0 to 0.75
Molybdenum (Mo), % 4.0 to 5.0
15 to 17
Nickel (Ni), % 13.5 to 17.5
49.5 to 63
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
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