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EN 1.4107 Stainless Steel vs. AISI 420F Stainless Steel

Both EN 1.4107 stainless steel and AISI 420F stainless steel are iron alloys. They have a very high 98% 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 EN 1.4107 stainless steel and the bottom bar is AISI 420F stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
18
Fatigue Strength, MPa 260 to 350
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 620 to 700
740
Tensile Strength: Yield (Proof), MPa 400 to 570
430

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 740
760
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.1
2.0
Embodied Energy, MJ/kg 30
28
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 13
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 840
480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 25
27
Strength to Weight: Bending, points 21 to 22
23
Thermal Diffusivity, mm2/s 7.2
6.8
Thermal Shock Resistance, points 22 to 25
27

Alloy Composition

Carbon (C), % 0 to 0.1
0.3 to 0.4
Chromium (Cr), % 11.5 to 12.5
12 to 14
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 83.8 to 87.2
82.4 to 87.6
Manganese (Mn), % 0.5 to 0.8
0 to 1.3
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0.8 to 1.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.020
0.15 to 0.35
Vanadium (V), % 0 to 0.080
0