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S40920 Stainless Steel vs. EN 1.4401 Stainless Steel

Both S40920 stainless steel and EN 1.4401 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 33 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 S40920 stainless steel and the bottom bar is EN 1.4401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
14 to 40
Fatigue Strength, MPa 130
200 to 320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Shear Strength, MPa 270
410 to 550
Tensile Strength: Ultimate (UTS), MPa 430
600 to 900
Tensile Strength: Yield (Proof), MPa 190
230 to 570

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 710
950
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
19
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
3.8
Embodied Energy, MJ/kg 28
52
Embodied Water, L/kg 94
150

Common Calculations

PREN (Pitting Resistance) 11
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 97
130 to 800
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
21 to 32
Strength to Weight: Bending, points 16
20 to 26
Thermal Diffusivity, mm2/s 6.9
4.0
Thermal Shock Resistance, points 15
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 10.5 to 11.7
16.5 to 18.5
Iron (Fe), % 85.1 to 89.4
62.8 to 71.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0 to 0.5
10 to 13
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0.15 to 0.5
0