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S32001 Stainless Steel vs. EN 1.4109 Stainless Steel

Both S32001 stainless steel and EN 1.4109 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 32 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 S32001 stainless steel and the bottom bar is EN 1.4109 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
19
Fatigue Strength, MPa 370
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 450
480
Tensile Strength: Ultimate (UTS), MPa 690
770
Tensile Strength: Yield (Proof), MPa 510
420

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 970
820
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
8.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.2
Embodied Energy, MJ/kg 37
30
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 23
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
120
Resilience: Unit (Modulus of Resilience), kJ/m3 660
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 4.0
8.1
Thermal Shock Resistance, points 19
28

Alloy Composition

Carbon (C), % 0 to 0.030
0.6 to 0.75
Chromium (Cr), % 19.5 to 21.5
14 to 16
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.6 to 75.5
80.7 to 85
Manganese (Mn), % 4.0 to 6.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.6
0.4 to 0.8
Nickel (Ni), % 1.0 to 3.0
0
Nitrogen (N), % 0.050 to 0.17
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015