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Nickel 242 vs. S21800 Stainless Steel

Nickel 242 belongs to the nickel alloys classification, while S21800 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nickel 242 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 300
330
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 84
75
Shear Strength, MPa 570
510
Tensile Strength: Ultimate (UTS), MPa 820
740
Tensile Strength: Yield (Proof), MPa 350
390

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Maximum Temperature: Mechanical, °C 930
900
Melting Completion (Liquidus), °C 1380
1360
Melting Onset (Solidus), °C 1290
1310
Specific Heat Capacity, J/kg-K 400
500
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
15
Density, g/cm3 9.0
7.5
Embodied Carbon, kg CO2/kg material 14
3.1
Embodied Energy, MJ/kg 180
45
Embodied Water, L/kg 290
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
250
Resilience: Unit (Modulus of Resilience), kJ/m3 280
390
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
26
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 25
17

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 7.0 to 9.0
16 to 18
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 2.0
59.1 to 65.4
Manganese (Mn), % 0 to 0.8
7.0 to 9.0
Molybdenum (Mo), % 24 to 26
0
Nickel (Ni), % 59.3 to 69
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0 to 0.8
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030