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AISI 420F Stainless Steel vs. EN 1.4983 Stainless Steel

Both AISI 420F stainless steel and EN 1.4983 stainless steel are iron alloys. They have 80% 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 1.4983 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
40
Fatigue Strength, MPa 270
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 460
430
Tensile Strength: Ultimate (UTS), MPa 740
630
Tensile Strength: Yield (Proof), MPa 430
230

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
520
Maximum Temperature: Mechanical, °C 760
940
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
19
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
4.1
Embodied Energy, MJ/kg 28
56
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 14
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 480
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
22
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 6.8
4.0
Thermal Shock Resistance, points 27
14

Alloy Composition

Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 0.3 to 0.4
0.040 to 0.080
Chromium (Cr), % 12 to 14
16 to 18
Iron (Fe), % 82.4 to 87.6
61.8 to 69.6
Manganese (Mn), % 0 to 1.3
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
2.0 to 2.5
Nickel (Ni), % 0
12 to 14
Phosphorus (P), % 0 to 0.060
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0.15 to 0.35
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.8