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AISI 422 Stainless Steel vs. EN 1.6554 Steel

Both AISI 422 stainless steel and EN 1.6554 steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 1.6554 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
230 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
17 to 21
Fatigue Strength, MPa 410 to 500
380 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
780 to 930
Tensile Strength: Yield (Proof), MPa 670 to 870
550 to 790

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 650
420
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1470
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.4
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.7
Embodied Energy, MJ/kg 44
22
Embodied Water, L/kg 100
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
810 to 1650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
27 to 33
Strength to Weight: Bending, points 26 to 30
24 to 27
Thermal Diffusivity, mm2/s 6.4
11
Thermal Shock Resistance, points 33 to 39
23 to 27

Alloy Composition

Carbon (C), % 0.2 to 0.25
0.23 to 0.28
Chromium (Cr), % 11 to 12.5
0.7 to 0.9
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 81.9 to 85.8
94.6 to 97.3
Manganese (Mn), % 0.5 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 0.9 to 1.3
0.2 to 0.3
Nickel (Ni), % 0.5 to 1.0
1.0 to 2.0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.025
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0 to 0.030

Comparable Variants