Have a question? Give us a call: +86 21 57701837
English
Super Austenitic Steels 904L • UNS N08904 • 1.4539 Featured Image
  • Super Austenitic Steels 904L • UNS N08904 • 1.4539
  • Super Austenitic Steels 904L • UNS N08904 • 1.4539
  • Super Austenitic Steels 904L • UNS N08904 • 1.4539

Super Austenitic Steels 904L • UNS N08904 • 1.4539

Short Description:

904L Stainless Steel Tubes. UNS N08904, commonly known as 904L, is a low carbon high alloy austenitic stainless steel which is widely used in applications where the corrosion properties of AISI 316L and AISI 317L are not adequate. This high-alloy austenitic is very resistant to attack from diluted sulphuric acid, phosphoric acid and acetic acid. It resists pitting in neutral chloride solutions. Its resistance to stress corrosion cracking in some hot chlorides is much superior to that of the lower nickel austenites. This steel has good formability and weldability. This material is present in all common standards like ASTM and EN, however with some differences. Design stresses up to 370°C are included in ASME II.


  • Tube Grade: UNS N08904, 1.4539
  • Tube Type: Welded, Welded & Drawn, Seamless
  • Tube Form: Straight, U Bend, Coiled, Cut-to-Length Pieces
  • Surface Finish: Bright Annealed, Annealed & Pickled, Polished
  • Standards (ASME/ASTM): A249, A213, A269, A312, B673
  • Standards (EN): EN 10217-7, EN 10296-2, EN 10216-5, EN 10297-2

    • Product Detail

    Product Tags

    904L Stainless Steel Tubes, 1.4539 Stainless Steel Tubes

    Chemical Composition (in % by mass)
    Grade C Si Mn P S Cr Ni Mo Cu N Others
      Max. Max. Max. Max. Max.            
    904L  0.020 1.00 2.00 0.040 0.030 19.0 – 23.0 23.0 – 28.0  4.0 – 5.0 1.00 – 2.0  0.10  
    1.4539 0.020 0.70 2.00 0.030 0.010 19.0 – 21.0  24.0 – 26.0  4.0 – 5.0  1.2 – 2.0  0.15  

     

     Mechanical Property & Heat Treatment 
     Grade Rp 0.2Mpa  Rp 1.0Mpa RmMpa A (%） Hardness (HRB) Heat Treatment
      Min. Min. Min. – Max. Min. Max.  
     904L  215   490 35 90 Solution Annealed
    1.4539  220 250 520 – 720 35   Solution Annealed

     

    Tube Size Commonly Used
    OD Thickness (mm)
      0.50 0.70 0.80 0.89 1.00 1.20 1.24 1.50 1.65 2.00 2.11 2.50 2.77 3.05
    6.00 x x x x x x x x            
    6.35 x x x x x x x  x x          
    7.00 x x x x x x x x            
    7.50 x x x x x x x x            
    8.00 x x x x x x x x            
    9.00 x x x x x x x x            
    9.53 x x x x x x x x x          
    10.00  x x x x x x x x            
    11.00 x x x x x x x x            
    12.00 x x x x x x x x   x        
    12.70 x x x x x x x x x x x      
    13.00 x x x x x x x x            
    14.00 x x x x x x x x            
    15.00 x x x x x x x x            
    15.88 x x x x x x  x x x x x      
    16.00 x x x x x x  x x x x        
    17.15 x x x x x x x x x x x      
    18.00 x x x x x x x x x  x        
    19.00 x x x x x x x x x  x        
    19.05 x x  x  x x x x x x x x x x  
    20.00 x x x x  x x  x  x  x x x  x x  
    21.34 x x x x x x x x x x  x x  x  
    22.00 x x x x x x x x x x x  x  x  
    22.23 x x x x x x x x x x  x x x  
    23.00 x x x x x x x x x x  x  x x  
    24.00 x x x x x x x  x x x  x  x x  
    25.00 x x x  x x  x  x  x x x  x  x  x x
    25.40 x x x x x x x x x x  x x  x x
    26.00 x x x x x x x x x x x x x x
    26.67 x x x x x x x x x x x x x x
    26.90 x x x x x x x x x x x x x x
    28.00 x x x x x x x x x x x x x x
    28.58 x x x x x x x x x x x x x x
    30.00 x x x x x x x x x x x x x x
    31.75 x x x x x x x x x x x x x x
    32.00 x x x x x x x x x x x x x x
    33.40 x x x x x x x x x x x x x x
    35.00 x x x x x x x x x x x x x x
    36.00 x x x x x x x x x x x x x x
    38.10 x x x x x x x x x x x x x x
    42.00         x x x x x x x  x x x
    44.50           x x x x x x x x x
    48.26               x x x x x x x
    50.80       x x x x x x x x x x x
  • Previous:
  • Next:

    • Related Products

    Hit enter to search or ESC to close