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EN 1.8522 Steel vs. AISI 422 Stainless Steel

Both EN 1.8522 steel and AISI 422 stainless steel are iron alloys. They have 89% 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 EN 1.8522 steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 380
260 to 330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 730 to 1250
910 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 470
650
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1470
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
24
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
3.1
Embodied Energy, MJ/kg 31
44
Embodied Water, L/kg 63
100

Common Calculations

PREN (Pitting Resistance) 6.2
17
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 44
32 to 38
Strength to Weight: Bending, points 23 to 33
26 to 30
Thermal Diffusivity, mm2/s 11
6.4
Thermal Shock Resistance, points 21 to 36
33 to 39

Alloy Composition

Carbon (C), % 0.29 to 0.36
0.2 to 0.25
Chromium (Cr), % 2.8 to 3.3
11 to 12.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 93.7 to 96
81.9 to 85.8
Manganese (Mn), % 0.4 to 0.7
0.5 to 1.0
Molybdenum (Mo), % 0.7 to 1.2
0.9 to 1.3
Nickel (Ni), % 0 to 0.3
0.5 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0.15 to 0.25
0.2 to 0.3