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EN 1.4422 Stainless Steel vs. AISI 201 Stainless Steel

Both EN 1.4422 stainless steel and AISI 201 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4422 stainless steel and the bottom bar is AISI 201 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
4.6 to 51
Fatigue Strength, MPa 380
280 to 600
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 520
450 to 840
Tensile Strength: Ultimate (UTS), MPa 850
650 to 1450
Tensile Strength: Yield (Proof), MPa 630
300 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 760
880
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 37
38
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 17
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
61 to 340
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
230 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
23 to 52
Strength to Weight: Bending, points 25
22 to 37
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 31
14 to 32

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.15
Chromium (Cr), % 11 to 13
16 to 18
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 76.8 to 83.5
67.5 to 75
Manganese (Mn), % 0 to 2.0
5.5 to 7.5
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 4.0 to 5.0
3.5 to 5.5
Nitrogen (N), % 0 to 0.020
0 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0030
0 to 0.030