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Austenitic Steels 347 • UNS S34700 • 1.4550 Featured Image
  • Austenitic Steels 347 • UNS S34700 • 1.4550
  • Austenitic Steels 347 • UNS S34700 • 1.4550

Austenitic Steels 347 • UNS S34700 • 1.4550

Short Description:

TP347 Stainless Steel Tubes. The chromium nickel stainless steel with additions of titanium and niobium is mainly used in the food industry, chemical industry and the petroleum industry. With temperatures of up to 400°C this grade shows good resistance against intergranular corrosion. Furthermore, this grade is suitable for TIG, MAG and manual arc welding procedures.


  • Tube Grade: TP347, AISI 347, EN 1.4550
  • 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): ASME SA /ASTM A249, A213, A269, A312
  • Standards (EN): EN 10217-7, EN 10296-2, EN 10216-5, EN 10297-2

    • Product Detail

    Product Tags

    347 Stainless Steel Tubes, 1.4550 Stainless Steel Tubes

    Chemical Composition (in % by mass)
    Grade C Si Mn P S Cr Ni Mo Ti N Others
      Max. Max. Max. Max. Max.            
    347  0.08  1.00 2.00 0.045 0.030 17.0 – 19.0 9.0 – 12.0        Nb 10XC – 1.10
    1.4550 0.10 1.50 2.00 0.045 0.015 17.0 – 19.0 9.0 – 12.0       Nb 10XC – 1.10 

     

     Mechanical Property & Heat Treatment 
     Grade Rp 0.2Mpa  Rp 1.0Mpa RmMpa A (%） Hardness (HRB) Heat Treatment
      Min. Min. Min. – Max. Min. Max.  
     347  205   515 35 90 Solution Annealed
    1.4550  205 240 510 – 740 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
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