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AISI 422 Stainless Steel vs. EN 1.3538 Steel

Both AISI 422 stainless steel and EN 1.3538 steel are iron alloys. They have 87% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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 1.3538 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
670 to 740

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 650
440
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1470
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
41
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.6
Embodied Energy, MJ/kg 44
21
Embodied Water, L/kg 100
56

Common Calculations

PREN (Pitting Resistance) 17
3.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
24 to 26
Strength to Weight: Bending, points 26 to 30
22 to 23
Thermal Diffusivity, mm2/s 6.4
11
Thermal Shock Resistance, points 33 to 39
20 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.2 to 0.25
0.93 to 1.1
Chromium (Cr), % 11 to 12.5
1.7 to 2.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 81.9 to 85.8
96 to 97.2
Manganese (Mn), % 0.5 to 1.0
0.6 to 0.8
Molybdenum (Mo), % 0.9 to 1.3
0.4 to 0.5
Nickel (Ni), % 0.5 to 1.0
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0