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Asye Super Austenitik 254SMO • UNS S31254 • 1.4547

Deskripsyon kout:

Tib an asye pur UNS S31254. UNS S31254 se yon asye pur super austenitik ak yon wo nivo molibdèn ak azòt, ki bay gwo rezistans a korozyon pitting ak fant osi byen ke gwo fòs konpare ak asye pur austenitik konvansyonèl tankou 316L. UNS S31254 se yon klas austenitik nan ki adisyon chromium, molibdèn ak azòt bay gwo rezistans a pitting nan dlo lanmè. Alyaj sa a gen yon mwayèn Nimewo Rezistans Pitting (‚PREN' = Cr+3.3Mo+16N) ki egal a 43.8. Tès yo endike gwo rezistans a atak korozyon fant nan dlo lanmè ak a krak korozyon estrès nan klori sodyòm cho konsantre. Konpare ak asye CrNiMo 17 12 2.5, li montre yon rezistans korozyon siperyè nan anpil asid nan konsantrasyon menm jan an epi fòs sede li apeprè 50% pi wo. Bon soudabilite lè l sèvi avèk konsomab Ni-Cr-Mo. Rekwit trempe ak kout peryòd nan seri 600-1000 °C la evite posib devlopman faz sigma danjere, ki ka frajil epi afekte rezistans korozyon an.


  • Klas Tib:254SMO • UNS S31254 • 1.4547
  • Kalite Tib:Soude, Soude & Desine, San pwoblèm
  • Fòm Tib:Dwat, Koube an U
  • Fini sifas:Klè rkwit, rkwit & marinated, poli
  • Nòm (ASME/ASTM):A249, A213, A269, A312
  • Nòm (EN):EN 10217-7, EN 10296-2, EN 10216-5, EN 10297-2
  • Detay pwodwi

    Etikèt pwodwi yo

    Tib asye pur S31254, Tib asye pur 1.4547

    Konpozisyon Chimik (an % pa mas)
    Klas C Si Mn P S Cr Ni Mo Cu N Lòt moun
      Maksimòm. Maksimòm. Maksimòm. Maksimòm. Maksimòm.            
    S31254 0.020 0.80 1.00 0.030 0.010 19.5 – 20.5 17.5 – 18.5 6.0 – 6.5 0.50 – 1.00 0.18 – 0.25  
    1.4547 0.020 0.70 1.00 0.030 0.010 19.5 – 20.5 17.5 – 18.5 6.0 – 7.0   0.18 – 0.25  

     

    Pwopriyete Mekanik ak Tretman Chalè 
    Klas Rp 0.2Mpa 1.0 roupiMpa RmMpa Yon (%) Dite(HRB) Tretman chalè
      Min. Min. Min. – Maks. Min. Maksimòm.  
    S31254 310   675 35 100 Solisyon rkwit
    1.4547 300 340 650 – 850 35   Solisyon rkwit

     

    Gwosè Tib ki Souvan Itilize
    OD Epesè (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            
    midi 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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