EN 1.4404 (X2CrNiMo17-12-2) Stainless Steel | AISI 316 L| Chemical Composition, Equivalent Grade, Datasheets| Alokindia.com

1.4404 Stainless Steel

All You Need to Know About Austenitic, Corrosion Resistant Stainless Steel X2CrNiMo17-12-2, 1.4404, SUS316L


What is 1.4404 Stainless Steel Grade

The 1.4404-grade stainless steel is austenitic stainless steel that is of high commercial importance. The steel grade contains molybdenum in the chemical composition which improves its corrosion resistance. The 1.4404-grade stainless steel shows toughness even at cryogenic temperatures.


The 1.4404-grade stainless steel has the following properties:

  1. Good corrosion resistance
  2. Immune to carbide precipitation
  3. Excellent toughness


Why use 1.4404 Stainless Steel

The 1.4404- stainless steel grade is tough and has good corrosion resistance. It comes in two versions – the low carbon version and the high carbon version. Both of them can be used for specific purposes. The austenitic structure of the steel provides it with excellent toughness as well.


What is the chemical composition of 1.4404 stainless steel?

The chemical composition of 1.4404 stainless steel is:

1.4404 steel chemical element % present
Carbon (C) [Max] 0.03%
Manganese (Mn) 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 1.4404 steel

1.4404 steel hot work and heat treatment temperature
Hot Forming °C Sensitization °C
1200 to 925 700 to 450


1.4404 stainless steel applications

The main areas of applications of 1.4404 stainless steel include:

  1. Aircraft construction
  2. Petrochemical industries
  3. Power industries


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