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AISI 420F Stainless Steel vs. EN 1.8515 Steel

Both AISI 420F stainless steel and EN 1.8515 steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
11
Fatigue Strength, MPa 270
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 460
680
Tensile Strength: Ultimate (UTS), MPa 740
1130
Tensile Strength: Yield (Proof), MPa 430
940

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
470
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
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 28
22
Embodied Water, L/kg 100
60

Common Calculations

PREN (Pitting Resistance) 14
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 480
2310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
40
Strength to Weight: Bending, points 23
31
Thermal Diffusivity, mm2/s 6.8
11
Thermal Shock Resistance, points 27
33

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.28 to 0.35
Chromium (Cr), % 12 to 14
2.8 to 3.3
Iron (Fe), % 82.4 to 87.6
94.7 to 96.5
Manganese (Mn), % 0 to 1.3
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0.3 to 0.5
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0.15 to 0.35
0 to 0.035