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    Zvakanakira Kushandisa Spiral Submerged Arc Welded Steel Pipes For Underground Water Pipelines

    Zvakanakira Kushandisa Spiral Submerged Arc Welded Steel Pipes For Underground Water Pipelines Featured Image
    • Zvakanakira Kushandisa Spiral Submerged Arc Welded Steel Pipes For Underground Water Pipelines

    Tsanangudzo Pfupi:

    Paunenge uchiisa mitsetse yemvura yepasi pevhu, zvakakosha kuti usarudze iyo chaiyo pombi mhando kuti uve nechokwadi chekugara uye hupenyu hurefu.Sarudzo yakakurumbira yemitsara yemvura yepasi pevhu inonzi spiral welded pombi, inozivikanwawo seSSAW simbi pombi.


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     SSAW simbi pombiimhando ye spiral undermerged arc welded pipe inowanzoshandiswa mumhando dzakasiyana-siyana, kusanganisira mitsetse yemvura yepasi.Yayo yakasarudzika spiral welding process inogadzira mahombe-diameter mapaipi ane madziro anoenderana ukobvu, zvichiita kuti ive yakanaka kune yepasi pevhu yekufambisa.

    Mechanical Property

    simbi giredhi

    shoma goho simba
    Mpa

    Kusimba simba

    Minimum elongation
    %

    Minimum impact simba
    J

    Ukobvu hunotsanangurwa
    mm

    Ukobvu hunotsanangurwa
    mm

    Ukobvu hunotsanangurwa
    mm

    at test temperature ye
     

    ＜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

    -

    -

    Imwe yemabhenefiti makuru ekushandisa spiral undermerged arc welded simbi pombi yemitsetse yemvura yepasi ndiko kusimba kwayo kukuru uye kusimba.The spiral welding process inogadzira pombi yakasimba uye yakavimbika inokwanisa kushingirira kumanikidzwa uye huremu hwekuvigwa pasi pevhu.Iri simba rakakosha kudzivirira kudonha uye kuve nechokwadi chekugara kwenguva refu kwepombi dzemvura.

    Pamusoro pezvo, SSAW simbi pombi inoshingirira mukuora, zvichiita kuti ive sarudzo yakanakisa yekushandiswa kwepasi pevhu uko mapaipi anoratidzwa nehunyoro uye zvimwe zvakatipoteredza.Uku kuramba kwecorrosion kunobatsira kuwedzera hupenyu hwemapombi ako uye kuderedza kudiwa kwekugara uchigadzirisa uye kugadzirisa.

    Pipe Yemvura Yepasi pevhu

    Imwe bhenefiti yekushandisa spiral undermerged arc welded simbi pombi yemitsetse yemvura yepasi kushanduka kwayo uye kuchinjika.The spiral welding process inogona kuburitsa mapaipi emadhayamita akasiyana, zvichiita kuti ive yakakodzera kune dzakasiyana siyana dzemvura pombi application.Pamusoro pezvo, kuchinjika kweSSAW simbi pombi kunoita kuti zvive nyore kuisa nekushanda, kunyanya munzvimbo dzine nharaunda yakaoma kana zvipingamupinyi.

     

    Kuumbwa Kwemakemikari

    Simbi giredhi

    Mhando ye de-oxidation a

    % nehuwandu, huwandu

    Zita resimbi

    Nhamba yesimbi

    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.Iyo deoxidation nzira inosarudzwa seinotevera:

    FF: Simbi yakaurayiwa zvizere ine nitrogen inosunga zvinhu muhuwandu hunokwana kusunga nitrogen iripo (semuenzaniso min. 0,020 % yakazara Al kana 0,015 % soluble Al).

    b.Iyo yakanyanya kukosha yenitrogen isingashande kana kemikari ichiratidza huwandu hushoma hwese hweAl content ye0,020 % ine hushoma hweAl/N chiyero che2: 1, kana kana zvimwe zvakakwana zveN-binding zvinhu zviripo.Iyo N-inosunga zvinhu icharekodhwa muChinyorwa Chekuongorora.

    Pamusoro pesimba, kusimba, uye kuchinjika, spiral undermerged arc welded steel pombi inodhura-inoshanda kana ichienzaniswa nedzimwe mhando dzepombi.Iyo spiral welding process inoderedza mitengo yekugadzira, zvichiita kuti ive sarudzo ine hupfumi yemapurojekiti makuru epombi yemvura.Kugara kwenguva refu uye kuderera kwekuchengetedza zvinodiwa zveSSAW simbi pombi inobatsirawo pakuchengetedza mutengo wakazara pamusoro pehupenyu hwetambo yemvura.

    SSAW Pipe

    Pakazere, pane zvakawanda zvakanakira kushandisa spiral undermerged arc welded simbi pombi yemitsetse yemvura yepasi, inosanganisira kusimba kwepamusoro, kusimba, kuramba kwecorrosion, kuchinjika, uye mutengo-kushanda.Hunhu uhwu hunoita kuti ive sarudzo yakavimbika uye inoshanda yekufambisa mvura yepasi pevhu, ingave yezvivakwa zvemanisipala, zvikumbiro zvemaindasitiri, kana zvekurima.

    Muchidimbu, kana zvasvika pakusarudza pombi yakanakisisakune mitsetse yemvura yepasi pevhu, spiral undermerged arc welded simbi pombi ndiyo yakanakisa sarudzo.Kuvakwa kwayo kwe-spiral-welded kunopa kusimba, kusimba uye kushorwa kwemarara kunodiwa pakuita kwenguva refu, nepo kuchinjika kwayo uye kudhura-kushanda kunoita kuti ive sarudzo inokwezva yemapurojekiti epombi yemvura yeese saizi.Nekusarudza spiral yakanyura arc welded simbi pombi, unogona kuve nechokwadi chekuvimbika uye hupenyu hurefu hwemitsara yako yepasi pemvura, ichikupa rugare rwepfungwa uye chivimbo muhurongwa hwako hwemvura.

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