EN 1.4401 Stainless Steel |AISI 316L| Chemical Composition, Equivalent Grade, Datasheets| Alokindia.com

1.4401 Stainless Steel

All You Need to Know About Austenitic Stainless Steel X5CrNiMo17-12-2, 1.4401 According to EN 10088-1

 

What is 1.4401 Stainless Steel Grade

The 1.4401-grade stainless steel is austenitic stainless steel that is of high commercial importance. The stainless steel grade contains molybdenum in its chemical composition. This increases its corrosion resistance. This is particularly important when it comes to crevice corrosion in chloride environments.

 

The 1.4401-grade stainless steel has the following properties:

  1. Good corrosion resistance
  2. Weldable
  3. Good resistance to oxidation

 

Why use 1.4401 Stainless Steel

The 1.4401- stainless steel grade has good machinability. While the stainless steel grade cannot be hardened by heat treatment, it can be hardened by solution treatment. The good corrosion resistance showcased by 1.4401 stainless steel grade makes its marine grade stainless steel.

 

What is the chemical composition of 1.4401 stainless steel?

The chemical composition of 1.4401 stainless steel is:

1.4401 steel chemical element % present
Carbon (C) [Max] 0.07%
Manganese (Mn) [Max] 2.00%
Silicon (Si) [Max] 1.00%
Chromium (Cr) 16.5 to 18.5%
Nitrogen (N) [Max] 0.11%
Molybdenum (Mo) [Max] 2.00 – 2.50%
Nickel (Ni) 10.0 to 13.0%
Phosphorus (P) [Max] 0.045%
Sulphur (S) [Max] 0.015%

 

How to work with 1.4401 steel

1.4401 steel hot work and heat treatment temperature
Hot Forming °C Sensitization °C Melting range °C Solution Annealing °C
1200 to 900 800 to 450 1400 to 1380 1100 to 1050
Cooling by water

 

1.4401 stainless steel applications

The main areas of applications of 1.4401 stainless steel include:

  1. Pipelines
  2. Heat exchangers
  3. Pressure vessels
  4. Valves
  5. Processing equipment

 

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