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AISI 422 Stainless Steel vs. EN 1.4419 Stainless Steel

Both AISI 422 stainless steel and EN 1.4419 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 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 AISI 422 stainless steel and the bottom bar is EN 1.4419 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
11 to 17
Fatigue Strength, MPa 410 to 500
230 to 680
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 560 to 660
410 to 950
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
660 to 1590
Tensile Strength: Yield (Proof), MPa 670 to 870
370 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
390
Maximum Temperature: Mechanical, °C 650
790
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1470
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
30
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.2
Embodied Energy, MJ/kg 44
30
Embodied Water, L/kg 100
110

Common Calculations

PREN (Pitting Resistance) 17
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
95 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
350 to 3920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
24 to 57
Strength to Weight: Bending, points 26 to 30
22 to 39
Thermal Diffusivity, mm2/s 6.4
8.1
Thermal Shock Resistance, points 33 to 39
23 to 55

Alloy Composition

Carbon (C), % 0.2 to 0.25
0.36 to 0.42
Chromium (Cr), % 11 to 12.5
13 to 14.5
Iron (Fe), % 81.9 to 85.8
82 to 86
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
0.6 to 1.0
Nickel (Ni), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
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