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AISI 440B Stainless Steel vs. N06230 Nickel

AISI 440B stainless steel belongs to the iron alloys classification, while N06230 nickel belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 440B stainless steel and the bottom bar is N06230 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 3.0 to 18
38 to 48
Fatigue Strength, MPa 260 to 850
250 to 360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
83
Shear Strength, MPa 460 to 1110
420 to 600
Tensile Strength: Ultimate (UTS), MPa 740 to 1930
620 to 840
Tensile Strength: Yield (Proof), MPa 430 to 1860
330 to 400

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Mechanical, °C 870
990
Melting Completion (Liquidus), °C 1480
1370
Melting Onset (Solidus), °C 1370
1300
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 23
8.9
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
85
Density, g/cm3 7.7
9.5
Embodied Carbon, kg CO2/kg material 2.2
11
Embodied Energy, MJ/kg 31
160
Embodied Water, L/kg 120
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57 to 110
200 to 330
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 27 to 70
18 to 25
Strength to Weight: Bending, points 24 to 45
17 to 21
Thermal Diffusivity, mm2/s 6.1
2.3
Thermal Shock Resistance, points 27 to 70
17 to 23

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Boron (B), % 0
0 to 0.015
Carbon (C), % 0.75 to 1.0
0.050 to 0.15
Chromium (Cr), % 16 to 18
20 to 24
Cobalt (Co), % 0
0 to 5.0
Iron (Fe), % 78.2 to 83.3
0 to 3.0
Lanthanum (La), % 0
0.0050 to 0.050
Manganese (Mn), % 0 to 1.0
0.3 to 1.0
Molybdenum (Mo), % 0 to 0.75
1.0 to 3.0
Nickel (Ni), % 0
47.5 to 65.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.25 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
13 to 15