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EN 1.4361 Stainless Steel vs. AISI 422 Stainless Steel

Both EN 1.4361 stainless steel and AISI 422 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 33 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 1.4361 stainless steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
260 to 330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 43
15 to 17
Fatigue Strength, MPa 220
410 to 500
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 440
560 to 660
Tensile Strength: Ultimate (UTS), MPa 630
910 to 1080
Tensile Strength: Yield (Proof), MPa 250
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 350
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 940
650
Melting Completion (Liquidus), °C 1370
1480
Melting Onset (Solidus), °C 1330
1470
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
24
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 3.6
3.1
Embodied Energy, MJ/kg 52
44
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 19
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1140 to 1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
32 to 38
Strength to Weight: Bending, points 21
26 to 30
Thermal Diffusivity, mm2/s 3.7
6.4
Thermal Shock Resistance, points 15
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.015
0.2 to 0.25
Chromium (Cr), % 16.5 to 18.5
11 to 12.5
Iron (Fe), % 58.7 to 65.8
81.9 to 85.8
Manganese (Mn), % 0 to 2.0
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.2
0.9 to 1.3
Nickel (Ni), % 14 to 16
0.5 to 1.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 3.7 to 4.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3