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N10276 Nickel vs. S21900 Stainless Steel

N10276 nickel belongs to the nickel alloys classification, while S21900 stainless steel belongs to the iron alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. 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 N10276 nickel and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 47
50
Fatigue Strength, MPa 280
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
78
Shear Strength, MPa 550
510
Tensile Strength: Ultimate (UTS), MPa 780
710
Tensile Strength: Yield (Proof), MPa 320
390

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 960
980
Melting Completion (Liquidus), °C 1370
1400
Melting Onset (Solidus), °C 1320
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 9.1
14
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 9.1
7.7
Embodied Carbon, kg CO2/kg material 13
3.0
Embodied Energy, MJ/kg 170
43
Embodied Water, L/kg 280
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
300
Resilience: Unit (Modulus of Resilience), kJ/m3 230
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 2.4
3.8
Thermal Shock Resistance, points 23
15

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.080
Chromium (Cr), % 14.5 to 16.5
19 to 21.5
Cobalt (Co), % 0 to 2.5
0
Iron (Fe), % 4.0 to 7.0
59.4 to 67.4
Manganese (Mn), % 0 to 0.010
8.0 to 10
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 51 to 63.5
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0