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EN 1.4424 Stainless Steel vs. S32101 Stainless Steel

Both EN 1.4424 stainless steel and S32101 stainless steel are iron alloys. They have a moderately high 93% 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 EN 1.4424 stainless steel and the bottom bar is S32101 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
34
Fatigue Strength, MPa 350 to 370
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 520
490
Tensile Strength: Ultimate (UTS), MPa 800
740
Tensile Strength: Yield (Proof), MPa 480 to 500
500

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 960
1000
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.6
Embodied Energy, MJ/kg 46
38
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 29
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
230
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 640
640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
27
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 3.5
4.0
Thermal Shock Resistance, points 23
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 18 to 19
21 to 22
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 68.6 to 72.4
67.3 to 73.3
Manganese (Mn), % 1.2 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 2.5 to 3.0
0.1 to 0.8
Nickel (Ni), % 4.5 to 5.2
1.4 to 1.7
Nitrogen (N), % 0.050 to 0.1
0.2 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 1.4 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030