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N10665 Nickel vs. S21800 Stainless Steel

N10665 nickel belongs to the nickel alloys classification, while S21800 stainless steel belongs to the iron alloys. There are 27 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 N10665 nickel and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 45
40
Fatigue Strength, MPa 340
330
Poisson's Ratio 0.31
0.28
Rockwell B Hardness 86
88
Shear Modulus, GPa 84
75
Shear Strength, MPa 600
510
Tensile Strength: Ultimate (UTS), MPa 860
740
Tensile Strength: Yield (Proof), MPa 400
390

Thermal Properties

Latent Heat of Fusion, J/g 310
340
Maximum Temperature: Mechanical, °C 900
900
Melting Completion (Liquidus), °C 1620
1360
Melting Onset (Solidus), °C 1570
1310
Specific Heat Capacity, J/kg-K 390
500
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
15
Density, g/cm3 9.3
7.5
Embodied Carbon, kg CO2/kg material 15
3.1
Embodied Energy, MJ/kg 200
45
Embodied Water, L/kg 270
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
250
Resilience: Unit (Modulus of Resilience), kJ/m3 360
390
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
26
Strength to Weight: Axial, points 26
27
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 27
17

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.1
Chromium (Cr), % 0 to 1.0
16 to 18
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 2.0
59.1 to 65.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Molybdenum (Mo), % 26 to 30
0
Nickel (Ni), % 64.8 to 74
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 0.1
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0 to 0.030