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AISI 422 Stainless Steel vs. EN 2.4851 Nickel

AISI 422 stainless steel belongs to the iron alloys classification, while EN 2.4851 nickel belongs to the nickel alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 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 422 stainless steel and the bottom bar is EN 2.4851 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
34
Fatigue Strength, MPa 410 to 500
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 560 to 660
430
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
650
Tensile Strength: Yield (Proof), MPa 670 to 870
230

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 650
1200
Melting Completion (Liquidus), °C 1480
1360
Melting Onset (Solidus), °C 1470
1310
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
11
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
49
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 3.1
8.1
Embodied Energy, MJ/kg 44
120
Embodied Water, L/kg 100
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 32 to 38
22
Strength to Weight: Bending, points 26 to 30
20
Thermal Diffusivity, mm2/s 6.4
2.9
Thermal Shock Resistance, points 33 to 39
17

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.7
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.2 to 0.25
0.030 to 0.1
Chromium (Cr), % 11 to 12.5
21 to 25
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 81.9 to 85.8
7.7 to 18
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
58 to 63
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
Titanium (Ti), % 0
0 to 0.5
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0