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EN 1.4422 Stainless Steel vs. AISI 202 Stainless Steel

Both EN 1.4422 stainless steel and AISI 202 stainless steel are iron alloys. They have 85% 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 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
14 to 45
Fatigue Strength, MPa 380
290 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 520
490 to 590
Tensile Strength: Ultimate (UTS), MPa 850
700 to 980
Tensile Strength: Yield (Proof), MPa 630
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 760
910
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
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
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 37
40
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
250 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
25 to 35
Strength to Weight: Bending, points 25
23 to 29
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 31
15 to 21

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.15
Chromium (Cr), % 11 to 13
17 to 19
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 76.8 to 83.5
63.5 to 71.5
Manganese (Mn), % 0 to 2.0
7.5 to 10
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 4.0 to 5.0
4.0 to 6.0
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