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AISI 422 Stainless Steel vs. EN 1.4521 Stainless Steel

Both AISI 422 stainless steel and EN 1.4521 stainless steel are iron alloys. They have a moderately high 91% 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 1.4521 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
23
Fatigue Strength, MPa 410 to 500
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 560 to 660
330
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
520
Tensile Strength: Yield (Proof), MPa 670 to 870
340

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 380
500
Maximum Temperature: Mechanical, °C 650
930
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1470
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
23
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 44
39
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 17
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
19
Strength to Weight: Bending, points 26 to 30
19
Thermal Diffusivity, mm2/s 6.4
6.2
Thermal Shock Resistance, points 33 to 39
18

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.025
Chromium (Cr), % 11 to 12.5
17 to 20
Iron (Fe), % 81.9 to 85.8
74.6 to 81.1
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
1.8 to 2.5
Nickel (Ni), % 0.5 to 1.0
0
Nitrogen (N), % 0
0 to 0.030
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
Titanium (Ti), % 0
0.15 to 0.8
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0