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304H • UNS S30409 • 1.4948 Featured Image
  • 304H • UNS S30409 • 1.4948
  • 304H • UNS S30409 • 1.4948
  • 304H • UNS S30409 • 1.4948

304H • UNS S30409 • 1.4948

Short Description:

TP304H Stainless Steel Tubes. With guaranteed carbon content of min. 0,04% gives a better creep resistance. Similar oxidation resistance to TP 304. Main applications: Heat exchangers, chemical and petrochemical furnaces.
  • Tube Grade: TP304H, AISI 304H, EN 1.4948
  • Tube Type: Welded, Welded & Drawn, Seamless
  • Tube Form: Straight, U Bend, Coiled, Cut-to-Length Pieces
  • Tube Finish: Bright Annealed, Annealed & Pickled, Polished
  • Standards (ASME/ASTM): ASME SA /ASTM A 249, A213, A269, A312
  • Standards (EN): EN 10217-7, EN 10296-2, EN 10216-5, EN 10297-2

    • Product Detail

    Product Tags

    304H Stainless Steel Tubes, 1.4948 Stainless Steel Tubes

    Chemical Composition (in % by mass)
    Grade C Si Mn P S Cr Ni Mo Ti N Others
      Min. Max. Max. Max. Max. Max.            
    304H  0.04 – 010 1.00 2.00 0.045 0.030 18.0 – 20.0 8.0 – 11.0        
    1.4948 0.04 – 0.08 1.00 2.00 0.035 0.015 17.0 – 19.0  8.0 – 11.0     0.11  

     

     Mechanical Property & Heat Treatment 
     Grade Rp 0.2

    Mpa 

    		 Rp 1.0

    Mpa

    		 Rm

    Mpa

    		 A (%） Hardness 

    (HRB)

    		 Heat Treatment
      Min. Min. Min. – Max. Min. Max.  
     304H  205   515 35 90 Solution Annealed
    1.4948  185 225 500 – 700 40   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

     

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