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AISI 440A Stainless Steel vs. N10665 Nickel

AISI 440A stainless steel belongs to the iron alloys classification, while N10665 nickel belongs to the nickel alloys. There are 29 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 AISI 440A stainless steel and the bottom bar is N10665 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 5.0 to 20
45
Fatigue Strength, MPa 270 to 790
340
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
84
Shear Strength, MPa 450 to 1040
600
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
860
Tensile Strength: Yield (Proof), MPa 420 to 1650
400

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Mechanical, °C 760
900
Melting Completion (Liquidus), °C 1480
1620
Melting Onset (Solidus), °C 1370
1570
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 23
11
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
75
Density, g/cm3 7.7
9.3
Embodied Carbon, kg CO2/kg material 2.2
15
Embodied Energy, MJ/kg 31
200
Embodied Water, L/kg 120
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 26 to 65
26
Strength to Weight: Bending, points 23 to 43
22
Thermal Diffusivity, mm2/s 6.2
3.1
Thermal Shock Resistance, points 26 to 65
27

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.020
Chromium (Cr), % 16 to 18
0 to 1.0
Cobalt (Co), % 0
0 to 1.0
Iron (Fe), % 78.4 to 83.4
0 to 2.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
26 to 30
Nickel (Ni), % 0
64.8 to 74
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.030