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AISI 422 Stainless Steel vs. EN 1.8873 Steel

Both AISI 422 stainless steel and EN 1.8873 steel are iron alloys. They have 87% 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 1.8873 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
19
Fatigue Strength, MPa 410 to 500
340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 560 to 660
410
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
660
Tensile Strength: Yield (Proof), MPa 670 to 870
490

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
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.2
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.8
Embodied Energy, MJ/kg 44
24
Embodied Water, L/kg 100
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
23
Strength to Weight: Bending, points 26 to 30
21
Thermal Diffusivity, mm2/s 6.4
10
Thermal Shock Resistance, points 33 to 39
19

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.2 to 0.25
0 to 0.18
Chromium (Cr), % 11 to 12.5
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 81.9 to 85.8
93.6 to 100
Manganese (Mn), % 0.5 to 1.0
0 to 1.7
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.7
Nickel (Ni), % 0.5 to 1.0
0 to 1.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0 to 0.080
Zirconium (Zr), % 0
0 to 0.15