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AISI 422 Stainless Steel vs. EN 2.4642 Nickel

AISI 422 stainless steel belongs to the iron alloys classification, while EN 2.4642 nickel belongs to the nickel alloys. They have a modest 22% 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 AISI 422 stainless steel and the bottom bar is EN 2.4642 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
34
Fatigue Strength, MPa 410 to 500
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 560 to 660
450
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
670
Tensile Strength: Yield (Proof), MPa 670 to 870
270

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 650
1010
Melting Completion (Liquidus), °C 1480
1360
Melting Onset (Solidus), °C 1470
1320
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
50
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 3.1
8.2
Embodied Energy, MJ/kg 44
120
Embodied Water, L/kg 100
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
23
Strength to Weight: Bending, points 26 to 30
21
Thermal Diffusivity, mm2/s 6.4
3.1
Thermal Shock Resistance, points 33 to 39
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.2 to 0.25
0 to 0.050
Chromium (Cr), % 11 to 12.5
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 81.9 to 85.8
7.0 to 11
Manganese (Mn), % 0.5 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
55.9 to 66
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0