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AISI 420F Stainless Steel vs. EN 1.8872 Steel

Both AISI 420F stainless steel and EN 1.8872 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 (3, in this case) are not shown.

For each property being compared, the top bar is AISI 420F stainless steel and the bottom bar is EN 1.8872 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
21
Fatigue Strength, MPa 270
310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 460
380
Tensile Strength: Ultimate (UTS), MPa 740
610
Tensile Strength: Yield (Proof), MPa 430
450

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.7
Embodied Energy, MJ/kg 28
22
Embodied Water, L/kg 100
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 480
530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
22
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 6.8
10
Thermal Shock Resistance, points 27
18

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.3 to 0.4
0 to 0.18
Chromium (Cr), % 12 to 14
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 82.4 to 87.6
95.1 to 100
Manganese (Mn), % 0 to 1.3
0 to 1.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.060
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0.15 to 0.35
0 to 0.0080
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0
0 to 0.050