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N06920 Nickel vs. S32550 Stainless Steel

N06920 nickel belongs to the nickel alloys classification, while S32550 stainless steel belongs to the iron alloys. They have 50% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is N06920 nickel and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
21
Fatigue Strength, MPa 220
400
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 82
80
Shear Strength, MPa 500
540
Tensile Strength: Ultimate (UTS), MPa 730
860
Tensile Strength: Yield (Proof), MPa 270
620

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1500
1440
Melting Onset (Solidus), °C 1440
1390
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 55
20
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 9.4
3.8
Embodied Energy, MJ/kg 130
53
Embodied Water, L/kg 270
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
160
Resilience: Unit (Modulus of Resilience), kJ/m3 180
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 21
26
Thermal Diffusivity, mm2/s 2.8
4.4
Thermal Shock Resistance, points 19
23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 20.5 to 23
24 to 27
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 17 to 20
57.2 to 67
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 8.0 to 10
2.9 to 3.9
Nickel (Ni), % 36.9 to 53.5
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.0 to 3.0
0