Stainless Steel 904L

Contact Us

Harsh Steel

Siddhivinayak Co Op Hsg Soc(Durgadas Building), Shop No 3, Ground floor, Ardeshir Dadi cross Lane, Near CP Tank, Mumbai, Maharashtra - 400004, India

Mobile : +91-7666559665

Call Us : 08048066374

Alloy 904L is an austenitic stainless steel intended for use under severe corrosion conditions, with a very good resistance to attacks in acidic environment, as sulphuric, phosphoric and acetic acid. Very good resistance to pitting corrosion, stress corrosion cracking and a much better resistance to crevice corrosion than steels of alloy 304L and alloy 316L. Used for chemical processing, pollution control equipment, oil and gas well piping, heat exchangers, acid production and pickling equipment.


  • Werkstoff 1.4539
  • AFNOR Z2CNDU 25-20
  • UNS N08904

Alloy 904L is available in Instrument tube, Precision tube and Hydraulic tube. On request Alloy 904L Coiled Tube can be supplied with a stainless steel seamless and welded execution. For all stock availability of contact Sales.


Alloy Alloy 904L Tube
Tensile Strength MPa 500-700
Yield Strength (0.2% Offset) MPa 200
Elongation (%) 40
Grade 904L
European Specification Werkstoff 1.4539, AFNOR Z2CNDU 25-20
Other UNS N08904

Technical Data Sheet

Chemical Composition Limits
Weight% Ni Cr Mo Cu Mn Si S C N
904L 23-28 19-23 43560 43467 2 max 1 max 0.035 max 0.020 max 0.10 max

Looking for Product Name ?