Stainless Steel 904L

Stainless Steel 904L (Ultra 904L)

(UNS N08904) (EN 1.4539)

Hig h Ni and Mo austenitic grade with very high resistance tocorrosion. Commonly used in chemical and petrochemical industry for handling medium concentrated sulphuric acid.High performance austenitic stainless steels differ substantially from more conventional grades with regard to resistance to corrosion and, in some cases, also mechanical and physical properties. This is mainly due to the high contents of chromium,nickel, molybdenum and nitrogen. High performance austentic stainless steels have good weldability and excellent formability

Physical properties

Product Designation & Standards


  • Process equipment in chemical industry.
  • Petrochemical industry.
  • Bleaching equipment in the pulp and paper industry.
  • Flue gas cleaning.
  • Desalination

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