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AISI 422 Stainless Steel vs. EN 1.8902 Steel

Both AISI 422 stainless steel and EN 1.8902 steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 1.8902 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
21
Fatigue Strength, MPa 410 to 500
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 560 to 660
380
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
600
Tensile Strength: Yield (Proof), MPa 670 to 870
420

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 650
410
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
44
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
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.8
Embodied Energy, MJ/kg 44
24
Embodied Water, L/kg 100
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
21
Strength to Weight: Bending, points 26 to 30
20
Thermal Diffusivity, mm2/s 6.4
12
Thermal Shock Resistance, points 33 to 39
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0.2 to 0.25
0 to 0.22
Chromium (Cr), % 11 to 12.5
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 81.9 to 85.8
95 to 99.05
Manganese (Mn), % 0.5 to 1.0
1.0 to 1.8
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.13
Nickel (Ni), % 0.5 to 1.0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.65
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0 to 0.22