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S44800 Stainless Steel vs. N06025 Nickel

S44800 stainless steel belongs to the iron alloys classification, while N06025 nickel belongs to the nickel alloys. They have a modest 37% 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 (5, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is N06025 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
32
Fatigue Strength, MPa 300
220
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
76
Shear Strength, MPa 370
500
Tensile Strength: Ultimate (UTS), MPa 590
760
Tensile Strength: Yield (Proof), MPa 450
310

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1410
1300
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
50
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.8
8.4
Embodied Energy, MJ/kg 52
120
Embodied Water, L/kg 190
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 480
240
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 4.6
2.9
Thermal Shock Resistance, points 19
21

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.4
Carbon (C), % 0 to 0.010
0.15 to 0.25
Chromium (Cr), % 28 to 30
24 to 26
Copper (Cu), % 0 to 0.15
0 to 0.1
Iron (Fe), % 62.6 to 66.5
8.0 to 11
Manganese (Mn), % 0 to 0.3
0 to 0.15
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 2.0 to 2.5
59.2 to 65.9
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0
0.1 to 0.2
Yttrium (Y), % 0
0.050 to 0.12
Zinc (Zn), % 0
0.010 to 0.1