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EN 1.4401 Stainless Steel vs. S32906 Stainless Steel

Both EN 1.4401 stainless steel and S32906 stainless steel are iron alloys. They have 88% 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 1.4401 stainless steel and the bottom bar is S32906 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 14 to 40
28
Fatigue Strength, MPa 200 to 320
460
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
81
Shear Strength, MPa 410 to 550
550
Tensile Strength: Ultimate (UTS), MPa 600 to 900
850
Tensile Strength: Yield (Proof), MPa 230 to 570
620

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
20
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.8
3.7
Embodied Energy, MJ/kg 52
52
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 26
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
220
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 800
950
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
30
Strength to Weight: Bending, points 20 to 26
26
Thermal Diffusivity, mm2/s 4.0
3.6
Thermal Shock Resistance, points 13 to 20
23

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 62.8 to 71.5
56.6 to 63.6
Manganese (Mn), % 0 to 2.0
0.8 to 1.5
Molybdenum (Mo), % 2.0 to 2.5
1.5 to 2.6
Nickel (Ni), % 10 to 13
5.8 to 7.5
Nitrogen (N), % 0 to 0.1
0.3 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030