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AISI 422 Stainless Steel vs. EN 1.4005 Stainless Steel

Both AISI 422 stainless steel and EN 1.4005 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 1.4005 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
13 to 21
Fatigue Strength, MPa 410 to 500
240 to 290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 560 to 660
390 to 450
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
630 to 750
Tensile Strength: Yield (Proof), MPa 670 to 870
370 to 500

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 380
390
Maximum Temperature: Mechanical, °C 650
760
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
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.0
Embodied Energy, MJ/kg 44
28
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 17
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
350 to 650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
23 to 27
Strength to Weight: Bending, points 26 to 30
21 to 24
Thermal Diffusivity, mm2/s 6.4
8.1
Thermal Shock Resistance, points 33 to 39
23 to 27

Alloy Composition

Carbon (C), % 0.2 to 0.25
0.060 to 0.15
Chromium (Cr), % 11 to 12.5
12 to 14
Iron (Fe), % 81.9 to 85.8
82.4 to 87.8
Manganese (Mn), % 0.5 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.6
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
0.15 to 0.35
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0