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EN 1.4113 Stainless Steel vs. AISI 420F Stainless Steel

Both EN 1.4113 stainless steel and AISI 420F stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4113 stainless steel and the bottom bar is AISI 420F stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
18
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 340
460
Tensile Strength: Ultimate (UTS), MPa 540
740
Tensile Strength: Yield (Proof), MPa 310
430

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 880
760
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.0
Embodied Energy, MJ/kg 33
28
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 21
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 6.7
6.8
Thermal Shock Resistance, points 20
27

Alloy Composition

Carbon (C), % 0 to 0.080
0.3 to 0.4
Chromium (Cr), % 16 to 18
12 to 14
Iron (Fe), % 78.5 to 83.1
82.4 to 87.6
Manganese (Mn), % 0 to 1.0
0 to 1.3
Molybdenum (Mo), % 0.9 to 1.4
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0.15 to 0.35