I-Hastelloy C-4

Isithombe Esifakiwe se-Hastelloy C-4
  • I-Hastelloy C-4
  • I-Hastelloy C-4
  • I-Hastelloy C-4
  • I-Hastelloy C-4

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    Imininingwane Yomkhiqizo

    Amathegi Omkhiqizo

    I-Hastelloy C-4 (UNS NO6455)

    Izici ze-Hastelloy C-4 kanye nokubuka konke kwezinhlelo zokusebenza:
    Ingxube iyingxube ye-nickel-molybdenum-chromium e-austenitic low-carbon alloy. Umehluko omkhulu phakathi kwe-Nicrofer 6616 hMo nezinye izinhlobo zamakhemikhali afanayo athuthukiswe ngaphambilini yi-carbon ephansi, i-silicon, insimbi kanye ne-tungsten. Lokhu kuhlanganiswa kwamakhemikhali kunikeza ukuzinza okuhle kakhulu ku-650-1040 ° C kanye nokumelana okuthuthukisiwe nokugqwala kwe-intergranular, kugwema ukuzwela kokugqwala komugqa onqenqemeni kanye nokugqwala kwe-HAZ ngaphansi kwezimo ezifanele zokukhiqiza. Ingxube esetshenziswa ezinhlelweni zokususa i-sulfurization zegesi e-flue, isitshalo sokugaya kanye nokuvuselela i-asidi, ukukhiqizwa kwamakhemikhali e-acetic acid kanye nezolimo, ukukhiqizwa kwe-titanium dioxide (indlela ye-chloride), ukufakwa kwe-electrolytic.
    I-Hastelloy C-4 Imikhiqizo efanayo:
    I-NS335 (eShayina) i-W.Nr.2.4610 i-NiMo16Cr16Ti (eJalimane)
    Ukwakheka kwamakhemikhali e-Hastelloy C-4:

    Ingxubevange
    Ibanga

    %

    Ni

    Cr

    Fe

    Mo

    Nb

    Co

    C

    Mn

    Si

    S

    Cu

    Al

    Ti

    I-Hastelloy C-4

    Ubuncane

    Umkhawulo

    14.5

    		  

    14.0

    		                  

    Ubuningi

    17.5

    3.0

    17.0

    		  

    2.0

    0.009

    1.0

    0.05

    0.01

    		    

    0.7

    Izakhiwo Ezibonakalayo ze-Hastelloy C-4:

    Ubuningi
    g/cm3

    Indawo yokuncibilika
    ℃

    Ukuqhuba kwe-thermal
    λ/(W/m•℃)

    Umthamo wokushisa othize
    J/kg•℃

    I-Modulus Enwebekayo
    I-GPa

    I-modulus yokugunda
    I-GPa

    Ukumelana
    μΩ•m

    Isilinganiso sikaPoisson

    I-coefficient yokwandisa okuqondile
    a/10-6℃ -1

    8.6

    1335
    1380

    10.1(100℃)

    408

    211

    		  

    1.24

    		  

    10.9(100℃)

    Izakhiwo Zemishini ze-Hastelloy C-4: (izakhiwo ezincane zemishini ku-20 ℃):

    Izindlela zokwelapha ukushisa

    Amandla okudonsa σb/MPa

    Amandla Okukhiqizaσp0.2/MPa

    Izinga lobude σ5 /%

    Ukuqina kweBrinell HBS

    Ukwelashwa kwesisombululo

    690

    275

    40

    		  

    Izindinganiso zokukhiqiza ze-Hastelloy C-4:

    Okujwayelekile

    Ibha

    Ukuthunga

    Ipuleti (elinezinto)

    Ucingo

    Ipayipi

    I-American Society for Testing and Materials

    I-ASTM B574

    I-ASTM B336

    I-ASTM B575

    		  

    I-ASTM B622
    I-ASTM B619
    I-ASTM B626

    Ukucaciswa Kobuchwepheshe Bezinto Zezindiza ZaseMelika

    		          

    I-American Society of Mechanical Engineers

    I-ASME SB574

    I-ASME SB336

    I-ASME SB575

    		  

    I-ASTM SB622
    I-ASTM SB619
    I-ASTM SB626

    Ukusebenza kwenqubo ye-Hastelloy C-4 kanye nezidingo:

    1, Enqubweni yokwelashwa kokushisa, awukwazi ukuxhumana nesibabule, i-phosphorus, i-lead kanye nezinye izinto eziphansi zokuncibilika kwensimbi, ngoba i-alloy izophuka, kufanele unake ukususa njengopende wokumaka, upende wesibonakaliso sokushisa, amakhrayoni anemibala, izinto zokugcoba, uphethiloli kanye nokunye ukungcola. Uma okuqukethwe kwesibabule kuphethiloli kuphansi, okuqukethwe kwesibabule segesi yemvelo kufanele kube ngaphansi kuka-0.1%, okuqukethwe kwesibabule samafutha asindayo kufanele kube ngaphansi kuka-0.5%. Ukushisa kwesithando sikagesi kuyindlela engcono, ngoba isithando sikagesi singalawula izinga lokushisa ngokunembile futhi igesi yesithando ihlanzekile. Uma igesi yesitofu sikagesi ihlanzekile ngokwanele, ungakhetha.
    2, izinga lokushisa lokucubungula ukushisa kwe-alloy elingu-1080 ℃ ~ 900 ℃, indlela yokupholisa yokupholisa amanzi noma okunye ukupholisa okusheshayo. Ukuqinisekisa ukumelana okuhle kakhulu kokugqwala, ukwelashwa kokushisa kufanele kwenziwe ngemuva kokwelashwa kokushisa kwesisombululo.

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