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S32205 Stainless Steel vs. EN 1.3940 Stainless Steel

Both S32205 stainless steel and EN 1.3940 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S32205 stainless steel and the bottom bar is EN 1.3940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
34
Fatigue Strength, MPa 370
190
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 740
540
Tensile Strength: Yield (Proof), MPa 510
240

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1070
930
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
17
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.7
3.3
Embodied Energy, MJ/kg 50
47
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 36
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
150
Resilience: Unit (Modulus of Resilience), kJ/m3 630
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
19
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 20
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 22 to 23
16.5 to 18.5
Iron (Fe), % 63.7 to 70.4
64.2 to 71.4
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 4.5 to 6.5
12 to 14
Nitrogen (N), % 0.14 to 0.2
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020