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Nickel 22 vs. S31266 Stainless Steel

Nickel 22 belongs to the nickel alloys classification, while S31266 stainless steel belongs to the iron alloys. They have 56% 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 nickel 22 and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 49
40
Fatigue Strength, MPa 330
400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
81
Shear Strength, MPa 560
590
Tensile Strength: Ultimate (UTS), MPa 790
860
Tensile Strength: Yield (Proof), MPa 360
470

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1390
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 430
460
Thermal Conductivity, W/m-K 10
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 70
37
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 12
6.5
Embodied Energy, MJ/kg 170
89
Embodied Water, L/kg 300
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
290
Resilience: Unit (Modulus of Resilience), kJ/m3 300
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 25
29
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 2.7
3.1
Thermal Shock Resistance, points 24
18

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 20 to 22.5
23 to 25
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 2.0 to 6.0
34.1 to 46
Manganese (Mn), % 0 to 0.015
2.0 to 4.0
Molybdenum (Mo), % 12.5 to 14.5
5.2 to 6.2
Nickel (Ni), % 50.8 to 63
21 to 24
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020
Tungsten (W), % 2.5 to 3.5
1.5 to 2.5
Vanadium (V), % 0 to 0.35
0