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EN 2.4642 Nickel vs. AISI 420F Stainless Steel

EN 2.4642 nickel belongs to the nickel alloys classification, while AISI 420F stainless steel belongs to the iron alloys. They have a modest 23% 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 2.4642 nickel and the bottom bar is AISI 420F stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
18
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 450
460
Tensile Strength: Ultimate (UTS), MPa 670
740
Tensile Strength: Yield (Proof), MPa 270
430

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 1010
760
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1320
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
25
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 50
7.0
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 8.2
2.0
Embodied Energy, MJ/kg 120
28
Embodied Water, L/kg 290
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
480
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
27
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 3.1
6.8
Thermal Shock Resistance, points 18
27

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0 to 0.050
0.3 to 0.4
Chromium (Cr), % 27 to 31
12 to 14
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.0 to 11
82.4 to 87.6
Manganese (Mn), % 0 to 0.5
0 to 1.3
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 55.9 to 66
0
Phosphorus (P), % 0 to 0.020
0 to 0.060
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0.15 to 0.35