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    SAWH Comprehensive Guide kuTube: A252 Giredhi 1 Pipe yeSimbi Yemafuta neGasi Zvishandiso

    SAWH Comprehensive Guide kuTube: A252 Giredhi 1 Pipe yeSimbi Yemafuta neGasi Zvishandiso Inoratidzwa Mufananidzo
    • SAWH Comprehensive Guide kuTube: A252 Giredhi 1 Pipe yeSimbi Yemafuta neGasi Zvishandiso

    Tsanangudzo Pfupi:

    SAWH (Submerged Arc Welded Spiral) pombi inoshandiswa zvakanyanya muindasitiri yemafuta uye gasi nekuda kwesimba rayo repamusoro uye kusimba.Mune ino blog, isu tichaongorora akakosha maficha uye mabhenefiti eA252 Grade 1 simbi pombi inowanzoshandiswa mukushandiswa kwemafuta uye gasi.Chekupedzisira, iwe uchave nekunzwisisa kwakazara kweSAWH mapaipi uye kukosha kwawo muindasitiri.


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    1. Nzwisisa pombi yeSAWH:

    SAWH mapaipianogadzirwa kubva kumhepo yakarongwa simbi ndiro.Mashizha anoumbwa kuita machubhu uye anokwenenzverwa uchishandisa yakanyura arc welding process.Iyi welding nzira inovimbisa yakasimba, inoenderera weld pamwe nehurefu hwese pombi, ichiita kuti ive yakanyanya kupikisa kunze kwekunetsekana kwezvinhu zvakadai sekukanganisa uye kumanikidza.Mapaipi aya anozivikanwa nekusarudzika kwawo kutakura mitoro uye kusarongeka kwechimiro, zvichiita kuti ive yakanakira kutakura oiri negasi.

    2. A252 giredhi 1 pombi yesimbi:

    A252 GRADE 1 inotsanangurwa yekuumbwa kwesimbi pombi yakanyatsogadzirirwa kushandiswa kwekumanikidza.Mapombi aya anogadzirwa kubva kuA252 simbi, iyo ine yakanakisa michina zvivakwa uye yakakwira kusimba simba.A252 GRADE 1 pombi yesimbi inoshandiswa zvakanyanya pakukwanisa kwayo kumirisana nekudzvanyirira kwakanyanya uye kuramba ngura uye deformation munzvimbo dzakaomarara uye gasi.

    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

    -

    -

    3. Zvakanakira A252 giredhi 1 simbi pombi:

    a) Simba uye Kusimba:A252 GRADE 1 simbi pombiyakasimba uye yakasimba, inogona kumira mitoro inorema uye inokodzera oiri uye gasi kutapurirana masisitimu.Kusimba kwavo kwakanyanya kunogonesa kugara kwenguva refu uye kunoderedza zvinodiwa zvekuchengetedza.

    b) Corrosion resistance: Mapombi emafuta negasi anowanzoita ngura nekuda kwekuomarara kwezvakatipoteredza.A252 GRADE 1 pombi yesimbi ine imwezve inodzivirira kukora, senge fused-bonded epoxy (FBE), kuti iwedzere kusimba uye kuwedzera hupenyu hwayo hwesevhisi.

    c) Flexibility: SAWH mapaipi anogona kugadzirwa akasiyana-siyana madhayamita uye kureba kuti asangane nezvinodiwa zveprojekiti.Uku kuchinjika kunofambisa kuisirwa pasina kudiwa kwemajoini akawanda, kuderedza njodzi yekudonha.

    d) Inodhura-inoshanda: A252 Giredhi 1 pombi yesimbi inopa mhinduro inodhura yemafuta uye gasi pombi.Upenyu hwavo hurefu hwebasa uye pasi pekugadzirisa zvinodiwa zvinoderedza mari yekushandisa nekufamba kwenguva.

    Pipe Yemvura Yepasi pevhu

    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.

    4. Kushandiswa kweA252 giredhi 1 pombi yesimbi:

    A252 Giredhi 1 pombi yesimbi ine huwandu hwakasiyana hwekushandisa muindasitiri yemafuta uye gasi, kusanganisira:

    a) Mapombi ekufambisa: anoshandiswa kutakura oiri isina kuchena, gasi rechisikigo uye zvimwe zvigadzirwa zvepetroleum kubva kuminda yekugadzira kuenda kunzvimbo dzekunatsa nenzvimbo dzekuparadzira.

    b) Offshore Drilling: Mapombi eSAWH anoshandiswa mumafuta ekumahombekombe egungwa uye gasi kuchera mabasa.Kuramba kwadzo kwecorrosion uye kugona kwepamusoro-soro kunoita kuti ive yakakodzera kuongororwa kwakadzika kwegungwa.

    c) Kunatsa: A252 GRADE 1 mapaipi esimbi anoshandiswa zvakanyanya mukunatsa kutakura mafuta akacheneswa uye zvigadzirwa zvepetroleum.

    SSAW Pipe

    Mukupedzisa:

    SAWH mapaipi, kunyanya A252 GRADE 1 mapaipi esimbi, anoita basa rakakosha mupombi yemafuta uye gasiindustry.Simba radzo, kusimba, uye kusadzivirirwa nekuora kunoita kuti ive sarudzo yakavimbika kune dzakasiyana siyana dzekushandisa.Kunzwisisa mabhenefiti epombi dzeSAWH uye hunhu hwadzo hunogona kubatsira kuve nechokwadi chekufambisa kweoiri negasi kwakabudirira ukuwo uchidzikisa mutengo wekugadzirisa uye kuwedzera kushanda kweprojekiti.

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