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EN 1.4408 Stainless Steel vs. S20161 Stainless Steel

Both EN 1.4408 stainless steel and S20161 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4408 stainless steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
46
Fatigue Strength, MPa 170
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 510
980
Tensile Strength: Yield (Proof), MPa 210
390

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 990
870
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 18
12
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 3.7
2.7
Embodied Energy, MJ/kg 52
39
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 26
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
360
Resilience: Unit (Modulus of Resilience), kJ/m3 110
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18
36
Strength to Weight: Bending, points 18
29
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 11
22

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.15
Chromium (Cr), % 18 to 20
15 to 18
Iron (Fe), % 62.4 to 71
65.6 to 73.9
Manganese (Mn), % 0 to 1.5
4.0 to 6.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 9.0 to 12
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
3.0 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.040