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AISI 420F Stainless Steel vs. EN 1.4864 Stainless Steel

Both AISI 420F stainless steel and EN 1.4864 stainless steel are iron alloys. They have 61% of their average alloy composition in common.

For each property being compared, the top bar is AISI 420F stainless steel and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
33
Fatigue Strength, MPa 270
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Shear Strength, MPa 460
430
Tensile Strength: Ultimate (UTS), MPa 740
650
Tensile Strength: Yield (Proof), MPa 430
260

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 760
1100
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1390
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
30
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.0
5.3
Embodied Energy, MJ/kg 28
75
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 14
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 480
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
23
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 6.8
3.3
Thermal Shock Resistance, points 27
17

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.15
Chromium (Cr), % 12 to 14
15 to 17
Iron (Fe), % 82.4 to 87.6
41.7 to 51
Manganese (Mn), % 0 to 1.3
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0.15 to 0.35
0 to 0.015