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EN 1.4374 Stainless Steel vs. S32101 Stainless Steel

Both EN 1.4374 stainless steel and S32101 stainless steel are iron alloys. They have a moderately high 91% 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 1.4374 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, % 40
34
Fatigue Strength, MPa 340
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 550
490
Tensile Strength: Ultimate (UTS), MPa 800
740
Tensile Strength: Yield (Proof), MPa 400
500

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 920
1000
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 42
38
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 23
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
230
Resilience: Unit (Modulus of Resilience), kJ/m3 400
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 4.0
4.0
Thermal Shock Resistance, points 17
20

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.040
Chromium (Cr), % 17.5 to 18.5
21 to 22
Copper (Cu), % 0 to 0.4
0.1 to 0.8
Iron (Fe), % 63.5 to 67.9
67.3 to 73.3
Manganese (Mn), % 9.0 to 10
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.5
0.1 to 0.8
Nickel (Ni), % 5.0 to 6.0
1.4 to 1.7
Nitrogen (N), % 0.25 to 0.32
0.2 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030