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N06985 Nickel vs. S31266 Stainless Steel

N06985 nickel belongs to the nickel alloys classification, while S31266 stainless steel belongs to the iron alloys. They have 73% of their average alloy composition in common. 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 N06985 nickel and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 45
40
Fatigue Strength, MPa 220
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
81
Shear Strength, MPa 480
590
Tensile Strength: Ultimate (UTS), MPa 690
860
Tensile Strength: Yield (Proof), MPa 260
470

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1350
1470
Melting Onset (Solidus), °C 1260
1420
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 10
12
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 55
37
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 8.8
6.5
Embodied Energy, MJ/kg 120
89
Embodied Water, L/kg 270
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
290
Resilience: Unit (Modulus of Resilience), kJ/m3 160
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 2.6
3.1
Thermal Shock Resistance, points 16
18

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 21 to 23.5
23 to 25
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.5 to 2.5
1.0 to 2.5
Iron (Fe), % 18 to 21
34.1 to 46
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 6.0 to 8.0
5.2 to 6.2
Nickel (Ni), % 35.9 to 53.5
21 to 24
Niobium (Nb), % 0 to 0.5
0
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0 to 1.5
1.5 to 2.5