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EN 1.4587 Stainless Steel vs. AISI 422 Stainless Steel

Both EN 1.4587 stainless steel and AISI 422 stainless steel are iron alloys. They have 52% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4587 stainless steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
260 to 330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
15 to 17
Fatigue Strength, MPa 200
410 to 500
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 540
910 to 1080
Tensile Strength: Yield (Proof), MPa 250
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 450
380
Maximum Temperature: Mechanical, °C 1100
650
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1370
1470
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 17
24
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.3
3.1
Embodied Energy, MJ/kg 87
44
Embodied Water, L/kg 230
100

Common Calculations

PREN (Pitting Resistance) 43
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1140 to 1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
32 to 38
Strength to Weight: Bending, points 18
26 to 30
Thermal Diffusivity, mm2/s 4.5
6.4
Thermal Shock Resistance, points 13
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.25
Chromium (Cr), % 24 to 26
11 to 12.5
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 32.7 to 41.9
81.9 to 85.8
Manganese (Mn), % 0 to 2.0
0.5 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
0.9 to 1.3
Nickel (Ni), % 28 to 30
0.5 to 1.0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3