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ibicuruzwa

SS904L AISI 904L Ibyuma Bitaje (UNS N08904)

Ibisobanuro bigufi:

UNS NO8904, izwi cyane nka 904L, ni icyuma kitagira umugese cya austenitic gifite karubone nkeya gikoreshwa cyane mu bikorwa aho imiterere ya AISI 316L na AISI 317L idahagije. 904L itanga ubushobozi bwo kurwanya ingese mu gihe cy’ingufu, kurwanya imyobo, no kurwanya ingese muri rusange kurusha ibyuma bitagira umugese bya 316L na 317L.


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Intangiriro y'ibicuruzwa

Icyuma kitagira umugese cya AISI 904L (UNS N08904) ni icyuma kitagira umugese cya austenitic gifite imiterere myinshi. Ugereranyije na 316L, SS904L ifite imiterere mike ya karuboni (C), imiterere myinshi ya chromium (Cr), kandi ifite imiterere ingana na kabiri ya nikeli (Ni) na molybdenum (Mo) ya316L, bituma igira ubushobozi bwo kurwanya ubushyuhe bwinshi, kurwanya imyobo, no kurwanya aside (urugero, aside sulfurike). Azote (N) ishobora kugabanya umuvuduko w'imvura ya chromium carbide, bityo ikagabanya ubushobozi bwo kumva, inanoza ubushobozi bwo kurwanya imyobo n'imyanya y'imyanya biterwa na chloride. Cyane cyane kongeramo umuringa (Cu) bituma igira akamaro ku bipimo byose bya aside sulfurike.

Alloy 904L ikora neza kurusha izindi ibyuma bitagira icyuma bya austenitic bitewe n’uko nickel na molybdenum bivangavanze cyane. Ingano ntabwo ikoresha ingufu za rukuruzi mu bihe byose kandi ifite ubushobozi bwo gukora no gusudira neza. Imiterere ya austenitic inaha ubukomere bwiza cyane, ndetse no mu bushyuhe bukabije. Ingano ya chromium nyinshi itera kandi ikabungabunga firime idakora neza irinda ibikoresho mu bidukikije byinshi byangiza. Nta ngaruka zo kwangirika hagati ya crystalline mu gihe cyo gukonjesha cyangwa gusudira bitewe n’ingano nke ya karuboni. Ubushyuhe ntarengwa bwayo ni kuri 450°C. Iyi ngano ni ingirakamaro cyane mu miyoboro yo kugenzura no gushyiramo ibikoresho aho 316 na 317L bidakwiye.

Alloy 904L yakozwe mbere kugira ngo ishobore kwihanganira ibidukikije birimo aside sulfurike ivanze. Itanga kandi ubudahangarwa bwiza ku zindi aside inorganic nka aside phosphoric ishyushye ndetse na aside organic nyinshi.

Alloy 904L irasukwa kandi igatunganywa byoroshye hakoreshejwe uburyo busanzwe bwo gukora mu iduka.

Icyuma kitagira umugese cya 904L (SS904L) gikoreshwa mu gukora peteroli, imiti, ifumbire mvaruganda, iminara yo guteza imbere inyanja, ibigega, imiyoboro n'ibigega ndetse n'ibikoresho bihindura ubushyuhe. Rolex n'abandi bakora amasaha nabo bayakoresha mu gukora amasaha

Ibisabwa mu butabire

Aloi 904L (UNS NO8904)

Ibikubiye muri %

C
Karuboni
Mn
Manganese
P
Fosifore
S
Sulfure
Si
Silikoli
Ni
Nickel
Cr
Chromium
Mo
Molybdenum
N
Azote
Cu
Umuringa
Ntarengwa 0.020 Ibipimo ntarengwa bya 2.00 Ibipimo ntarengwa bya 0.040 Ibipimo ntarengwa bya 0.030 1.00 ntarengwa 23.0-28.0 19.0-23.0 4.0-5.0 0.10 ntarengwa 1.00-2.00
Imiterere ya mekanike
Imbaraga z'umusaruro Iminota 31 ya Ksi
Imbaraga zo Gukurura Iminota 71 ya Ksi
Uburebure (iminota 2) 35%
Ubukomere (Igipimo cya Rockwell B) 90 HRB ntarengwa
Igitutu ntarengwa cyemewe (igice: BAR)
Ubunini bw'urukuta (mm)
    0.89 1.24 1.65 2.11 2.77 3.96 4.78
OD (mm) 6.35 393 572 783 1012      
9.53 253 362 499 657 883    
12.7 186 265 362 476 646    
19.05   172 233 304 410    
25.4   128 172 223 299 443 549
31.8     136 176 235 345 425
38.1     113 146 194 283 348
50.8     84 108 143 208 255

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  • Ibanjirije iyi:
  • Ibikurikira:

  • Oya. Ingano (mm)
    OD Tuk
    Umuyoboro wa BA Interior tube rough Ra0.35
    1/4″ 6.35 0.89
    6.35 1.00
    3/8″ 9.53 0.89
    9.53 1.00
    1/2” 12.70 0.89
    12.70 1.00
    12.70 1.24
    3/4” 19.05 1.65
    1 25.40 1.65
    Umuyoboro wa BA Imbere ifite ubukana bwa Ra0.6
    1/8″ 3.175 0.71
    1/4″ 6.35 0.89
    3/8″ 9.53 0.89
    9.53 1.00
    9.53 1.24
    9.53 1.65
    9.53 2.11
    9.53 3.18
    1/2″ 12.70 0.89
    12.70 1.00
    12.70 1.24
    12.70 1.65
    12.70 2.11
    5/8″ 15.88 1.24
    15.88 1.65
    3/4″ 19.05 1.24
    19.05 1.65
    19.05 2.11
    1″ 25.40 1.24
    25.40 1.65
    25.40 2.11
    1-1/4″ 31.75 1.65
    1-1/2″ 38.10 1.65
    2″ 50.80 1.65
    10A 17.30 1.20
    15A 21.70 1.65
    20A 27.20 1.65
    25A 34.00 1.65
    32A 42.70 1.65
    40A 48.60 1.65
    50A 60.50 1.65
      8.00 1.00
      8.00 1.50
      10.00 1.00
      10.00 1.50
      10.00 2.00
      12.00 1.00
      12.00 1.50
      12.00 2.00
      14.00 1.00
      14.00 1.50
      14.00 2.00
      15.00 1.00
      15.00 1.50
      15.00 2.00
      16.00 1.00
      16.00 1.50
      16.00 2.00
      18.00 1.00
      18.00 1.50
      18.00 2.00
      19.00 1.50
      19.00 2.00
      20.00 1.50
      20.00 2.00
      22.00 1.50
      22.00 2.00
      25.00 2.00
      28.00 1.50
    Umuyoboro wa BA, Nta cyifuzo kijyanye n'ubukana bw'imbere bw'inyuma
    1/4″ 6.35 0.89
    6.35 1.24
    6.35 1.65
    3/8″ 9.53 0.89
    9.53 1.24
    9.53 1.65
    9.53 2.11
    1/2″ 12.70 0.89
    12.70 1.24
    12.70 1.65
    12.70 2.11
      6.00 1.00
      8.00 1.00
      10.00 1.00
      12.00 1.00
      12.00 1.50
    Andika ubutumwa bwawe hano hanyuma ubwoherereze

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