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    Umhlahlandlela Ophelele we-A252 Wepayipi Lensimbi Lebanga 2: Ilungele Amaphrojekthi Omugqa Wendle Ohlanganisiwe Kabili Ocwiliswe E-Arc

    Umhlahlandlela Ophelele we-A252 Wepayipi Lensimbi Lebanga 2: Ilungele Amaphrojekthi Omugqa Wendle Ohlanganisiwe Ophindwe Kabili Isithombe Esifakiwe
    • Umhlahlandlela Ophelele we-A252 Wepayipi Lensimbi Lebanga 2: Ilungele Amaphrojekthi Omugqa Wendle Ohlanganisiwe Kabili Ocwiliswe E-Arc

    Incazelo emfushane:

     

    Ukukhetha kahle izinto zokwakha kubalulekile ekuqinisekiseni ukusebenza kahle kanye nobude besikhathi besistimu yakho yokuhambisa indle. Phakathi kwezinketho ezahlukene ezitholakalayo, ipayipi lensimbi i-A252 GRADE 2 laziwa ngamandla alo aphezulu kanye nokuqina kwalo futhi seliyisinqumo esithandwayo sokwakha amapayipi okuhambisa indle aphindwe kabili ngaphansi kwamanzi (i-DSAW). Ukuhlanganisa amandla epayipi lensimbi i-A252 GRADE 2 kanye nokuthembeka kobuchwepheshe bokushisela i-DSAW kudala ingqalasizinda yokuhambisa indle esebenza kahle. Kule bhulogi, sizohlola izici ezibalulekile, izinzuzo kanye nokusetshenziswa kwepayipi lensimbi i-A252 GRADE 2 kumaphrojekthi okuhambisa indle e-DSAW.

    .


    Imininingwane Yomkhiqizo

    Amathegi Omkhiqizo

    Funda ngepayipi lensimbi le-A252 Grade 2:

    Ipayipi Lensimbi le-A252 GRADE 2iyipayipi lensimbi yekhabhoni elenzelwe ngqo ukusetshenziswa kumapayipi okucindezela kanye nezicelo zesakhiwo. Lenziwa ngokuhambisana nezindinganiso ze-ASTM (American Society for Testing and Materials), okuqinisekisa amazinga ekhwalithi ephezulu kanye nokunemba okulinganayo. Ukuqokwa kweBANGA 2 kubonisa ukuthi ipayipi lensimbi lenziwa kusetshenziswa izindlela zokushisela ze-arc ezingaphansi komhlaba noma izindlela zokushisela ezingenamthungo.

    Ukubaluleka kokushisela i-arc engaphansi kwamanzi kabili:

    Ukushisela i-arc engaphansi kwamanzi kabili, eyaziwa nangokuthi i-DSAW, inqubo yokushisela ekhethekile kakhulu esetshenziselwa ukuhlanganisa izingxenye zepayipi lensimbi le-A252 GRADE 2. I-DSAW inikeza izinzuzo eziningana kunezinye izindlela zokushisela, okuhlanganisa ubuqotho obuhle kakhulu bokushisela, isivinini esikhulu sokushisela, ukuphambuka okuncane, kanye nokulawula okuhle kakhulu kokufakwa kokushisa. Iqinisekisa ukubopha okuqinile phakathi kwamapayipi, okwenza angavuthi kalula ekuvuza, ukugqwala kanye nomonakalo wesakhiwo.

    Impahla Yomshini

    ibanga lensimbi

    amandla amancane okukhiqiza
    I-Mpa

    Amandla okudonsa

    Ukwandiswa okuncane
    %

    Amandla amancane omthelela
    J

    Ubukhulu obucacisiwe
    mm

    Ubukhulu obucacisiwe
    mm

    Ubukhulu obucacisiwe
    mm

    ekushiseni kokuhlolwa kwe-
     

    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

    -

    -

    Kungani kufanele usebenzise ipayipi lensimbi le-A252 Grade 2 kumaphrojekthi okuhambisa indle?

    1. AMANDLA AKAHLE KAKHULU NOKUQINISEKISA: Ipayipi lensimbi i-A252 GRADE 2 linamandla amakhulu okudonseka, okwenza limelane nokucindezeleka kwangaphandle kanye nezingcindezi. Ukuqina kwalo kuqinisekisa impilo yesevisi ende, kunciphisa isidingo sokushintsha noma ukulungisa njalo.

    2. Ukumelana Nokugqwala: Ipayipi lensimbi i-A252 GRADE 2 lenzelwe ukumelana nezimo ezinzima zangaphansi komhlaba, okuhlanganisa ukuchayeka endle, amakhemikhali kanye nomswakama, ngaphandle kokugqwala noma ukonakala. Lesi sici sandisa kakhulu impilo yokusebenza kwamapayipi endle.

    3. Isebenza kahle: Ipayipi lensimbi le-A252 Grade 2 linikeza ikhambi elisebenza kahle lokwakhiwa kwamapayipi endle. Izidingo zabo zokunakekelwa okuphansi kanye nokuphila isikhathi eside kungasindisa omasipala kanye nabakhi bephrojekthi ukonga okukhulu ngokuhamba kwesikhathi.

    Izinqubo Zokushisela Amapayipi

    Ukusetshenziswa kwepayipi lensimbi lebanga lesi-2 le-A252 kubunjiniyela bendle:

    Ipayipi lensimbi le-A252 GRADE 2 lisetshenziswa kabanzi kumaphrojekthi ahlukahlukene engqalasizinda yendle, okuhlanganisa:

    1. Uhlelo lokukhuculula indle lukamasipala: Amapayipi ensimbi e-A252 Grade 2 asetshenziswa kabanzi ekwakhiweni kwamapayipi okukhuculula indle engqalasizinda kamasipala ukuze kuthuthwe kahle amanzi angcolile esuka ezindaweni zokuhlala nezentengiselwano aye ezitshalweni zokuhlanza.

    2. Uhlelo Lokuthuthwa Kwendle Lwezimboni: Izakhiwo zezimboni zidinga izinhlelo zokuthuthwa kwendle eziqinile ukuze zibhekane nokuthuthwa kwamanzi angcolile avela kumayunithi okukhiqiza nakwezinye izindawo. Ipayipi lensimbi i-A252 GRADE 2 linikeza amandla nokuqina okudingekayo kulolu hlobo lokusetshenziswa kwamapayipi amanzi angcolile ezimbonini.

    Ekuphetheni:

    Uma kukhulunywa ngokuthiumugqa wendleukwakhiwa, ipayipi lensimbi i-A252 GRADE 2 elihlanganiswe nobuchwepheshe bokushisela be-DSAW linikeza amandla angenakuqhathaniswa, ukuqina kanye nokusebenza okuphelele. Ukumelana kwayo okumangalisayo kokugqwala, amandla okudonswa okuphezulu kanye nokusebenza kahle kwezindleko kwenza kube kuhle kakhulu kumaphrojekthi ahlukahlukene engqalasizinda yendle. Ngokusebenzisa lezi zinto ezithuthukisiwe kanye nezindlela zokushisela, amadolobha angakhulisa kakhulu isikhathi sokuphila kanye nokusebenza kahle kwezinhlelo zawo zendle, anciphise izindleko zokulungisa futhi aqinisekise indawo ehlanzekile nenempilo yawo wonke umuntu.

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