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Biraha Aad u Fiican 904L • UNS N08904 • 1.4539

Sharaxaad Gaaban:

Tuubooyinka Birta Aan Lahayn ee 904L. UNS N08904, oo loo yaqaan 904L, waa bir aan laydh lahayn oo austenitic ah oo kaarboon yar leh oo si weyn loogu isticmaalo codsiyada halkaas oo sifooyinka daxalka ee AISI 316L iyo AISI 317L aysan ku filnayn. Austenitic-kan aashitada sare leh aad ayuu u adkaystaa weerarka ka yimaada aashitada sulfuric ee la qasi jiray, aashitada fosfoorik iyo aashitada acetic. Waxay iska caabisaa inay ku dhacdo xalalka chloride ee dhexdhexaadka ah. Iska caabbinteeda dildilaaca daxalka ee ku dhaca qaar ka mid ah chlorides-ka kulul ayaa aad uga sarreeya kan austenites-ka nikkel-ka hooseeya. Birtani waxay leedahay qaab wanaagsan iyo alxan. Agabkani wuxuu ku jiraa dhammaan heerarka caadiga ah sida ASTM iyo EN, si kastaba ha ahaatee iyadoo ay jiraan kala duwanaansho. Cadaadiska naqshadeynta ilaa 370°C waxaa lagu daray ASME II.


  • Heerka Tuubada:UNS N08904, 1.4539
  • Nooca Tuubada:La alxamay, La alxamay & La sawiray, aan kala go 'lahayn
  • Foomka Tuubada:Qaybo Toosan, U Laab ah, La duubay, oo La jaray
  • Dhammaadka Dusha sare:La dhalaaliyay, la qaboojiyey oo la miiray, la safeeyey
  • Heerarka (ASME/ASTM):A249, A213, A269, A312, B673
  • Heerarka (EN):EN 10217-7, EN 10296-2, EN 10216-5, EN 10297-2
  • Faahfaahinta Badeecada

    Calaamadaha Alaabta

    Tuubooyinka Birta Aan Lahayn ee 904L, Tuubooyinka Birta Aan Lahayn ee 1.4539

    Halabuurka Kiimikada (% cuf ahaan)
    Fasal C Si Mn P S Cr Ni Mo Cu N Kuwa kale
      Ugu badnaan. Ugu badnaan. Ugu badnaan. Ugu badnaan. Ugu badnaan.            
    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  

     

    Hantida Farsamada & Daaweynta Kulaylka 
    Fasal Rp 0.2Mpa Rp 1.0Mpa RmMpa A (%) Adkaanta(HRB) Daaweynta Kulaylka
      Ugu yaraan. Ugu yaraan. Ugu yaraan - Ugu badnaan. Ugu yaraan. Ugu badnaan.  
    904L 215   490 35 90 Xalka la baabi'iyay
    1.4539 220 250 520 - 720 35   Xalka la baabi'iyay

     

    Cabbirka Tuubada ee Caadiga ah ee la Isticmaalo
    OD Dhumuc (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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