201LN – 1.4371

201LN – 1.4371

201LN – 1.4371

(South America offer) 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. Delivered by Aperam South America.


  • Railroad and transportation
  • Automotive segment
  • Cryogenic tanks, storage vessels and piping
  • High performance welded structures including those at sub-zero temperaturess
  • In general all applications where austenitic grade 1.4318 (Type 301LN) is being used
201LN – 1.4371


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

Chemical Composition

Typical values

  • C=0.021
  • Si=0.36
  • Mn=6.95
  • Cr=17.16
  • Ni=4
  • N=0.15
  • P=0.038
  • S=0.001

Alphanumerical designation X2CrMnNiN17-7-5

Dimensional range

Coils & Sheets

  • Please consult us

Surface aspects

  • Hot rolled
  • NR1/1D

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