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EN 1.4003 Stainless Steel vs. S32101 Stainless Steel

Both EN 1.4003 stainless steel and S32101 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 84% 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 1.4003 stainless steel and the bottom bar is S32101 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
34
Fatigue Strength, MPa 210
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 340
490
Tensile Strength: Ultimate (UTS), MPa 540
740
Tensile Strength: Yield (Proof), MPa 320
500

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 720
1000
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.6
Embodied Energy, MJ/kg 27
38
Embodied Water, L/kg 97
150

Common Calculations

PREN (Pitting Resistance) 12
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
230
Resilience: Unit (Modulus of Resilience), kJ/m3 260
640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 10.5 to 12.5
21 to 22
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 83.9 to 89.2
67.3 to 73.3
Manganese (Mn), % 0 to 1.5
4.0 to 6.0
Molybdenum (Mo), % 0
0.1 to 0.8
Nickel (Ni), % 0.3 to 1.0
1.4 to 1.7
Nitrogen (N), % 0 to 0.030
0.2 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030