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    Spiral Submerged Arc Welded Pipe In API 5L Line Pipe Applications

    Spiral Submerged Arc Welded Pipe In API 5L Line Pipe Application Featured Image
    • Spiral Submerged Arc Welded Pipe In API 5L Line Pipe Applications

    Tlhaloso e Khutšoanyane:

    Lefapheng la lipalangoang tsa oli le khase, tšebeliso ea lipeipi tse cheselitsoeng ka har'a metsi a spiral arc e ntse e ata, haholo-holo kahong ea liphaephe tsa API 5L.Pipe ea SSAW (submerged arc welded) e tsebahala ka matla a eona a phahameng, ho tšoarella le ho fetoha habonolo, ho etsa hore e be e loketseng bakeng sa lits'ebetso tse hlokang tse kang indasteri ea oli le khase.


    Lintlha tsa Sehlahisoa

    Li-tag tsa Sehlahisoa

    ThePipe ea mohala oa API 5Lstandard ke tlhaloso e ntlafalitsoeng ke American Petroleum Institute (API) bakeng sa ho tsamaisa khase ea tlhaho, oli le metsi.E hlalosa litlhoko tsa tlhahiso ea liphaephe tsa tšepe tse cheselitsoeng 'me e fana ka tataiso e tiileng bakeng sa boleng, matla le ts'ebetso ea liphaephe tsena.

    Thepa ea Mechini

    tšepe kereiti

    bonyane matla a tlhahiso
    Mpa

    Matla a tšepe

    Bonyane bo bolelele
    %

    Matla a fokolang a ts'usumetso
    J

    Botenya bo boletsoeng
    mm

    Botenya bo boletsoeng
    mm

    Botenya bo boletsoeng
    mm

    ka mocheso oa teko ea
     

    ＜16

    ~16≤40

    ＜3

    ≥3≤40

    		 ≤40

    -20 ℃

    0℃

    20 ℃
    S235JRH

    235

    225

    360-510

    360-510

    24

    -

    -

    27
    S275J0H

    275

    265

    430-580

    410-560

    20

    -

    27

    -
    S275J2H

    27

    -

    -
    S355J0H

    365

    345

    510-680

    470-630

    20

    -

    27

    -
    S355J2H

    27

    -

    -
    S355K2H

    40

    -

    -

     Pipe ea SSAWe etsoa ho sebelisoa mokhoa oa ho tjheseletsa ka tlas'a metsi o kenyelletsang ho etsa khoele ea tšepe hore e be sebopeho se chitja ebe o sebelisa arc ea welding ho kopanya mathōko a khoele hammoho.

    E 'ngoe ea melemo e ka sehloohong ea ho sebelisa spiral submerged arc welded pipe ho API 5L line pipe applications ke bokhoni ba bona ba ho mamella khatello e phahameng ea kahare le kantle.Sena ke sa bohlokoa ka ho khetheha indastering ea oli le khase, moo liphaephe li pepesehelang maemo a feteletseng le meroalo e boima.Kaho e matla ea liphaephe tsa SSAW e etsa hore e be e loketseng bakeng sa liphaephe tse sebetsang ka likhatello tse phahameng le mocheso, ho fana ka tharollo e ka tšeptjoang le ea nako e telele bakeng sa ho tsamaisa lisebelisoa tsa bohlokoa.

    Pipe-Piles-ASTM-A2522

    Ho feta moo, ho feto-fetoha ha spiral submerged arc welded pipe ho etsa hore ho be bonolo ho kenya le ho hlokomela, ho etsa hore e be khetho e bolokang chelete e ngata bakeng sa merero ea kaho ea liphaephe.Bokhoni ba bona ba ho kobeha le ho ipapisa le makhopho a tlhaho a sebaka se felisa tlhokeho ea ho etsa lintho tse theko e boima le tse jang nako le ho fokotsa kotsi ea ho lutla le ho se atlehe.Ho feta moo, bokaholimo bo boreleli ba liphaephe tsa SSAW bo fokotsa likhohlano le moferefere, e leng se bakang phallo e sebetsang hantle le tšebeliso e tlase ea matla.

    Sebopeho sa Lik'hemik'hale

    Kereiti ea tšepe

    Mofuta oa de-oxidation a

    % ka boima, boholo

    Lebitso la tšepe

    Nomoro ea tšepe

    C

    C

    Si

    Mn

    P

    S

    Nb

    S235JRH

    1.0039

    FF

    0,17

    -

    1,40

    0,040

    0,040

    0.009

    S275J0H

    1.0149

    FF

    0,20

    -

    1,50

    0,035

    0,035

    0,009

    S275J2H

    1.0138

    FF

    0,20

    -

    1,50

    0,030

    0,030

    -

    S355J0H

    1.0547

    FF

    0,22

    0,55

    1,60

    0,035

    0,035

    0,009

    S355J2H

    1.0576

    FF

    0,22

    0,55

    1,60

    0,030

    0,030

    -

    S355K2H

    1.0512

    FF

    0,22

    0,55

    1,60

    0,030

    0,030

    -

    a.Mokhoa oa deoxidation o khethiloe ka tsela e latelang:

    FF: Tšepe e bolailoeng ka ho feletseng e nang le likarolo tse tlamang tsa nitrogen ka bongata bo lekaneng ho kopanya naetrojene e fumanehang (mohlala, min. 0,020 % kakaretso ea Al kapa 0,015 % e qhibilihang Al).

    b.Theko e phahameng ea naetrojene ha e sebetse haeba motsoako oa lik'hemik'hale o bontša bonyane kakaretso ea Al content ea 0,020 % ka tekanyo ea bonyane ea Al/N ea 2:1, kapa haeba likarolo tse ling tse lekaneng tsa N-binding li le teng.Lintlha tse tlamang N li tla tlalehoa Tokomaneng ea Tlhahlobo.

    Ka bokhuts'oane, ts'ebeliso ea pipi e kentsoeng ka metsing a spiral arc welded ho API 5L line pipe application e fana ka letoto la melemo e etsang hore e be khetho e ntle bakeng sa indasteri ea oli le khase.Matla a bona, ho tšoarella le ho feto-fetoha ha maemo ho etsa hore e be tse loketseng bakeng sa ho sebelisoa libakeng tse hlokang, ha boiketlo ba bona ba ho kenya le litlhoko tse tlaase tsa tlhokomelo li fana ka tharollo e theko e tlaase bakeng sa merero ea kaho ea lipeipi.Ha tlhokahalo ea lipalangoang tse tšepahalang, tse sebetsang hantle tsa oli, khase ea tlhaho le metsi li ntse li hola, bohlokoa ba pipi e kentsoeng ka metsing e kentsoeng ka har'a API 5L e ke ke ea feteletsoa.Ka ts'ebetso ea eona e netefalitsoeng le ho feto-fetoha ha maemo,pipipi ya arc e qoeletseng ka metsinge reretswe ho tswelapele ho ba karolo ya bohlokwa ya meralo ya motheo e kgannang moruo wa lefatshe.

    Pipe ea SSAW
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