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N12160 Nickel vs. S21800 Stainless Steel

N12160 nickel belongs to the nickel alloys classification, while S21800 stainless steel belongs to the iron alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is N12160 nickel and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
40
Fatigue Strength, MPa 230
330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
75
Shear Strength, MPa 500
510
Tensile Strength: Ultimate (UTS), MPa 710
740
Tensile Strength: Yield (Proof), MPa 270
390

Thermal Properties

Latent Heat of Fusion, J/g 360
340
Maximum Temperature: Mechanical, °C 1060
900
Melting Completion (Liquidus), °C 1330
1360
Melting Onset (Solidus), °C 1280
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 90
15
Density, g/cm3 8.2
7.5
Embodied Carbon, kg CO2/kg material 8.5
3.1
Embodied Energy, MJ/kg 120
45
Embodied Water, L/kg 400
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
250
Resilience: Unit (Modulus of Resilience), kJ/m3 180
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 24
27
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 26 to 30
16 to 18
Cobalt (Co), % 27 to 33
0
Iron (Fe), % 0 to 3.5
59.1 to 65.4
Manganese (Mn), % 0 to 1.5
7.0 to 9.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 25 to 44.4
8.0 to 9.0
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 2.4 to 3.0
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.2 to 0.8
0
Tungsten (W), % 0 to 1.0
0