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Super Austenitic Steels 254SMO • UNS S31254 • 1.4547 Ishusho y'ingenzi
  • Super Austenitic Steels 254SMO • UNS S31254 • 1.4547
  • Super Austenitic Steels 254SMO • UNS S31254 • 1.4547
  • Super Austenitic Steels 254SMO • UNS S31254 • 1.4547

Super Austenitic Steels 254SMO • UNS S31254 • 1.4547

Ibisobanuro bigufi:

UNS S31254 Ibyuma Bitangiza Inzu. UNS S31254 ni icyuma gitangiza inzu gifite urugero rwo hejuru rwa molybdenum na azote, gitanga ubudahangarwa bukomeye ku myanda no kwangirika ndetse n'imbaraga nyinshi ugereranije n'ibyuma bisanzwe bya austenitic nka 316L. UNS S31254 ni urwego rwa austenitic aho chromium, molybdenum na azote byongerwamo bitanga ubudahangarwa bukomeye ku myanda mu mazi yo mu nyanja. Iyi alloy ifite impuzandengo y'umubare ungana na Pitting Resistance Equivalent Number (‚PREN' = Cr+3.3Mo+16N) wa 43.8. Ibizamini bigaragaza ubudahangarwa bwinshi ku gutera kwa myenge no kwangirika mu mazi yo mu nyanja no gutuma myenge icika mu mazi ashyushye cyane ya sodium chloride. Ugereranyije na CrNiMo 17 12 2.5 ibyuma, bigaragaza ubudahangarwa bwiza bwa myenge muri aside nyinshi ku rugero rumwe kandi imbaraga zayo zo gutanga umusaruro ni hafi 50%. Gusudira neza hakoreshejwe Ni-Cr-Mo ibikoreshwa. Kuzimya umuriro no kumara igihe gito mu rugero rwa 600-1000°C birinda ko habaho sigma yangiza, ishobora kwangiza no kwangiza ubudahangarwa bw'umuhengeri.


  • Ingano y'umuyoboro w'amazi:254SMO • UNS S31254 • 1.4547
  • Ubwoko bw'umuyoboro:Irasudeshwa, Irasudeshwa kandi Irashushanyije, Nta musozo
  • Ifishi y'umuyoboro w'amazi:Igororotse, U Bend
  • Kurangiza ubuso:Irabagirana, Irambitse kandi Iraseye, Iraseye
  • Amabwiriza ngenderwaho (ASME/ASTM):A249, A213, A269, A312
  • Amabwiriza ngenderwaho (EN):EN 10217-7, EN 10296-2, EN 10216-5, EN 10297-2

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    Ibirango by'ibicuruzwa

    Imiyoboro ya S31254 y'icyuma kidashonga, imiyoboro ya 1.4547 y'icyuma kidashonga

    Ibikubiye mu binyabutabire (muri % ku bunini)
    Icyiciro C Si Mn P S Cr Ni Mo Cu N Ibindi
      Max. Max. Max. Max. Max.            
    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  

     

    Imiterere ya Mekanike n'Ubushyuhe 
    Icyiciro Rp 0.2Mpa Rp 1.0Mpa RmMpa A (%) Ubukomere(HRB) Uburyo bwo kuvura ubushyuhe
      Ntoya. Ntoya. Ntoya – Ntarengwa. Ntoya. Max.  
    S31254 310   675 35 100 Igisubizo cyafashwe
    1.4547 300 340 650 – 850 35   Igisubizo cyafashwe

     

    Ingano y'umuyoboro ikunze gukoreshwa
    OD Ubunini (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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