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S44660 Stainless Steel vs. N06455 Nickel

S44660 stainless steel belongs to the iron alloys classification, while N06455 nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 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 S44660 stainless steel and the bottom bar is N06455 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 20
47
Fatigue Strength, MPa 330
290
Poisson's Ratio 0.27
0.29
Rockwell B Hardness 88
90
Shear Modulus, GPa 81
82
Shear Strength, MPa 410
550
Tensile Strength: Ultimate (UTS), MPa 660
780
Tensile Strength: Yield (Proof), MPa 510
330

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 17
10
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
65
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 4.3
12
Embodied Energy, MJ/kg 61
160
Embodied Water, L/kg 180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
300
Resilience: Unit (Modulus of Resilience), kJ/m3 640
260
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 4.5
2.7
Thermal Shock Resistance, points 21
24

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 25 to 28
14 to 18
Cobalt (Co), % 0
0 to 2.0
Iron (Fe), % 60.4 to 71
0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
14 to 17
Nickel (Ni), % 1.0 to 3.5
58.1 to 72
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0 to 0.7