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AISI 422 Stainless Steel vs. EN 1.4887 Stainless Steel

Both AISI 422 stainless steel and EN 1.4887 stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, 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 1.4887 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
45
Fatigue Strength, MPa 410 to 500
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 560 to 660
400
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
580
Tensile Strength: Yield (Proof), MPa 670 to 870
300

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Corrosion, °C 380
600
Maximum Temperature: Mechanical, °C 650
1100
Melting Completion (Liquidus), °C 1480
1390
Melting Onset (Solidus), °C 1470
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
39
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.1
6.7
Embodied Energy, MJ/kg 44
96
Embodied Water, L/kg 100
210

Common Calculations

PREN (Pitting Resistance) 17
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
20
Strength to Weight: Bending, points 26 to 30
19
Thermal Diffusivity, mm2/s 6.4
3.2
Thermal Shock Resistance, points 33 to 39
14

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.15
Chromium (Cr), % 11 to 12.5
20 to 23
Iron (Fe), % 81.9 to 85.8
34.2 to 45
Manganese (Mn), % 0.5 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
1.0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0