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Nickel 685 vs. AISI 416Se Stainless Steel

Nickel 685 belongs to the nickel alloys classification, while AISI 416Se stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is AISI 416Se stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
23
Fatigue Strength, MPa 470
210
Poisson's Ratio 0.29
0.28
Reduction in Area, % 20
50
Shear Modulus, GPa 77
76
Shear Strength, MPa 770
340
Tensile Strength: Ultimate (UTS), MPa 1250
540
Tensile Strength: Yield (Proof), MPa 850
310

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 1000
760
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
30
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 75
8.0
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 10
1.9
Embodied Energy, MJ/kg 140
27
Embodied Water, L/kg 340
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 42
20
Strength to Weight: Bending, points 31
19
Thermal Diffusivity, mm2/s 3.3
8.1
Thermal Shock Resistance, points 37
20

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0 to 0.15
Chromium (Cr), % 18 to 21
12 to 14
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 2.0
83.1 to 87.9
Manganese (Mn), % 0 to 1.0
0 to 1.3
Molybdenum (Mo), % 3.5 to 5.0
0
Nickel (Ni), % 49.6 to 62.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.060
Selenium (Se), % 0
0.15 to 0.35
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.060
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0