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N06650 Nickel vs. S21900 Stainless Steel

N06650 nickel belongs to the nickel alloys classification, while S21900 stainless steel belongs to the iron alloys. They have 41% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is N06650 nickel and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 50
50
Fatigue Strength, MPa 420
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 82
78
Shear Strength, MPa 640
510
Tensile Strength: Ultimate (UTS), MPa 900
710
Tensile Strength: Yield (Proof), MPa 460
390

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 980
980
Melting Completion (Liquidus), °C 1500
1400
Melting Onset (Solidus), °C 1450
1350
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 60
15
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 10
3.0
Embodied Energy, MJ/kg 140
43
Embodied Water, L/kg 270
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 380
300
Resilience: Unit (Modulus of Resilience), kJ/m3 490
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 29
26
Strength to Weight: Bending, points 24
23
Thermal Shock Resistance, points 24
15

Alloy Composition

Aluminum (Al), % 0.050 to 0.5
0
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 19 to 21
19 to 21.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 12 to 16
59.4 to 67.4
Manganese (Mn), % 0 to 0.5
8.0 to 10
Molybdenum (Mo), % 9.5 to 12.5
0
Nickel (Ni), % 44.4 to 58.9
5.5 to 7.5
Niobium (Nb), % 0.050 to 0.5
0
Nitrogen (N), % 0.050 to 0.2
0.15 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0.5 to 2.5
0