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EN 1.4422 Stainless Steel vs. S20161 Stainless Steel

Both EN 1.4422 stainless steel and S20161 stainless steel are iron alloys. They have 88% 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 1.4422 stainless steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
46
Fatigue Strength, MPa 380
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 520
690
Tensile Strength: Ultimate (UTS), MPa 850
980
Tensile Strength: Yield (Proof), MPa 630
390

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 760
870
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 37
39
Embodied Water, L/kg 110
130

Common Calculations

PREN (Pitting Resistance) 17
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
360
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 30
36
Strength to Weight: Bending, points 25
29
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 31
22

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.15
Chromium (Cr), % 11 to 13
15 to 18
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 76.8 to 83.5
65.6 to 73.9
Manganese (Mn), % 0 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 4.0 to 5.0
4.0 to 6.0
Nitrogen (N), % 0 to 0.020
0.080 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
3.0 to 4.0
Sulfur (S), % 0 to 0.0030
0 to 0.040