201LN – 1.4371

201LN – 1.4371

201LN – 1.4371

An Austenitic Stainless Steel with manganese and nitrogen additions

Main features

Enhanced mechanical properties in annealed condition; high potential for elongation and hardening; very good resistance to intergranular corrosion; excellent weldability; high ductility; excelent strength and toughness at cryogenic temperatures.


  • Railroad and transportation
  • Cryogenic tanks, storage vessels and piping
  • High performance welded structures including those at sub-zero temperatures
  • In general all applications where austenitic grade 1.4318 (Type 301LN) is used, with the added advantage of  price stability due to the lower nickel content
201LN – 1.4371


  • ASTM 201LN
  • UNS S20153
  • EN 1.4371
  • IMDS ID 336855939

Chemical Composition

Typical values

  • C=0.025
  • Si=0.50
  • Mn=7.00
  • Cr=16.30
  • Ni=4.75
  • N=0.18
  • Cu=0.30

Alphanumerical designation X2CrMnNiN17-7-5

Dimensional range

Coils & Sheets

  • Thickness: from 0.50 to 13 mm
  • Width: up to 2,000 according to thickness

Surface aspects

  • Hot rolled & Cold rolled
  • 1D, 2B, 2D, 2E


Whether you need a certificate or more information, you can download all our product brochures, specifications, e-books, and related materials here.
Aperam 201LN (1.4371) with Manganese and Nitrogen addition

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