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EN 1.4401 Stainless Steel vs. S24000 Stainless Steel

Both EN 1.4401 stainless steel and S24000 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4401 stainless steel and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 40
39
Fatigue Strength, MPa 200 to 320
370
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 410 to 550
530
Tensile Strength: Ultimate (UTS), MPa 600 to 900
770
Tensile Strength: Yield (Proof), MPa 230 to 570
430

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 950
910
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 3.8
2.7
Embodied Energy, MJ/kg 52
39
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 26
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
260
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 800
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
28
Strength to Weight: Bending, points 20 to 26
24
Thermal Shock Resistance, points 13 to 20
16

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 16.5 to 18.5
17 to 19
Iron (Fe), % 62.8 to 71.5
61.5 to 69
Manganese (Mn), % 0 to 2.0
11.5 to 14.5
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 13
2.3 to 3.7
Nitrogen (N), % 0 to 0.1
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030