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AISI 420F Stainless Steel vs. EN 1.1170 Steel

Both AISI 420F stainless steel and EN 1.1170 steel are iron alloys. They have 86% 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 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
16 to 17
Fatigue Strength, MPa 270
220 to 330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 460
390 to 450
Tensile Strength: Ultimate (UTS), MPa 740
640 to 730
Tensile Strength: Yield (Proof), MPa 430
330 to 500

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
400
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
50
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.5
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 100
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 480
290 to 670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
23 to 26
Strength to Weight: Bending, points 23
21 to 23
Thermal Diffusivity, mm2/s 6.8
13
Thermal Shock Resistance, points 27
20 to 23

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.25 to 0.32
Chromium (Cr), % 12 to 14
0 to 0.4
Iron (Fe), % 82.4 to 87.6
96.7 to 98.5
Manganese (Mn), % 0 to 1.3
1.3 to 1.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.060
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0.15 to 0.35
0 to 0.035