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    Ukuphucula Ukusebenza kakuhle kweZiseko zoPhuhliso ngePipe yeNsimbi ejikelezayo ye-S355 JR: Utshintsho kwiSakhiwo seMibhobho yeGesi yeNdalo yanamhlanje

    Ukuphucula Ukusebenza kakuhle kweZiseko zoPhuhliso ngePipe yeNsimbi ejikelezayo ye-S355 JR: Utshintsho kwiMibhobho yeGesi yeNdalo yanamhlanje yoKwakha Umfanekiso obonisiweyo
    • Ukuphucula Ukusebenza kakuhle kweZiseko zoPhuhliso ngePipe yeNsimbi ejikelezayo ye-S355 JR: Utshintsho kwiSakhiwo seMibhobho yeGesi yeNdalo yanamhlanje
    • Ukuphucula Ukusebenza kakuhle kweZiseko zoPhuhliso ngePipe yeNsimbi ejikelezayo ye-S355 JR: Utshintsho kwiSakhiwo seMibhobho yeGesi yeNdalo yanamhlanje
    • Ukuphucula Ukusebenza kakuhle kweZiseko zoPhuhliso ngePipe yeNsimbi ejikelezayo ye-S355 JR: Utshintsho kwiSakhiwo seMibhobho yeGesi yeNdalo yanamhlanje
    • Ukuphucula Ukusebenza kakuhle kweZiseko zoPhuhliso ngePipe yeNsimbi ejikelezayo ye-S355 JR: Utshintsho kwiSakhiwo seMibhobho yeGesi yeNdalo yanamhlanje

    Inkcazo emfutshane:

    Le nxalenye yale Migangatho yaseYurophu ichaza iimeko zobuchwephesha zokuhanjiswa kwezakhiwo ezidityanisiweyo ezibandayo, ezingenanto zineefom ezijikelezayo, ezisikwere okanye ezizingxande kwaye isebenza kwiindawo ezingenanto zibandayo ngaphandle konyango lobushushu olulandelayo.

    I-Cangzhou Spiral Steel Pipes Group Co., Ltd ibonelela ngemibhobho yentsimbi engqukuva enemibhobho yesangqa.


    Iinkcukacha zeMveliso

    Iithegi zeMveliso

    Intshayelelo:

    Imfuno ekhulayo yamandla asebenzayo nanokuthenjwa iye yaba yingxaki ebalulekileyo koorhulumente nakwimizi-mveliso kwihlabathi liphela. Ekubeni imibhobho yegesi yendalo iyimijelo yokuthuthwa kwegesi yendalo, ukukhethwa kwezinto zemibhobho kubalulekile ukuqinisekisa ukunikezelwa kwamandla okungenamthungo nokuzinzileyo. Kule bhlog, sihlola indlela umbhobho wentsimbi ojikelezayo we-S355 JR, okwaziwa ngokuba yi-umbhobho womthungo ojikelezayo, iguqula ukwakhiwa kwemibhobho yegesi yendalo, iphucula ukhuseleko, ukuqina kunye nokusebenza kakuhle kwezothutho.

    Ipropati yoomatshini

    inqanaba lesinyithi

    amandla amancinci okuvelisa
    I-Mpa

    Tensile strength

    Ubuncinane bobude
    %

    Amandla amancinci empembelelo
    J

    Ubukhulu obuchaziweyo
    mm

    Ubukhulu obuchaziweyo
    mm

    Ubukhulu obuchaziweyo
    mm

    kubushushu bovavanyo lwe
     

    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

    -

    -

    Ukwenziwa kweeKhemikhali

    Ibanga lentsimbi

    Uhlobo lokususa i-oxidation

    % ngobunzima, ubuninzi

    Igama lentsimbi

    Inombolo yentsimbi

    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. Indlela yokususa ioksijini ichazwe ngolu hlobo lulandelayo:

    FF: Intsimbi ebulewe ngokupheleleyo equlethe izinto zokubopha initrogen ngobuninzi obaneleyo ukubopha initrogen ekhoyo (umz. ubuncinci be-0,020% iyonke ye-Al okanye i-0,015% ye-Al enyibilikayo).

    b. Ixabiso eliphezulu le-nitrogen alisebenzi ukuba ukwakheka kweekhemikhali kubonisa umxholo opheleleyo we-Al ongama-0,020% kunye nomlinganiselo ophantsi we-Al/N oyi-2:1, okanye ukuba kukho ezinye izinto ezaneleyo zokubopha i-N. Izinto zokubopha i-N mazirekhodwe kuXwebhu loHlolo.

    Uvavanyo lwe-Hydrostatic

    Ubude bombhobho ngamnye buya kuvavanywa ngumvelisi kuxinzelelo lwe-hydrostatic oluya kuvelisa eludongeni lombhobho uxinzelelo olungaphantsi kwama-60% wamandla aphantsi okuvelisa kubushushu begumbi. Uxinzelelo luya kugqitywa yile equation ilandelayo:
    P=2St/D

    Utshintsho Oluvumelekileyo Kubunzima Nobukhulu

    Ubude bombhobho ngamnye buya kulinganiswa ngokwahlukeneyo kwaye ubunzima bawo abuyi kwahluka ngaphezu kwe-10% ngaphezulu okanye i-5.5% phantsi kobunzima bawo obuqikelelwayo, kubalwe kusetyenziswa ubude bawo kunye nobunzima bawo ngobude beyunithi nganye.
    Ububanzi bangaphandle abuyi kwahluka ngaphezu kwe-±1% ukusuka kububanzi obuqhelekileyo bangaphandle
    Ubukhulu bodonga nangaliphi na ixesha abuyi kuba ngaphezulu kwe-12.5% ​​phantsi kobukhulu bodonga obuchaziweyo.

    Umbhobho we-Helical Welded

    1. Qonda umbhobho wentsimbi ojikelezayo we-S355 JR:

    Umbhobho wentsimbi ejikelezayo ye-S355 JRYenziwe ngentsimbi ye-S355JR yodidi oluphezulu kwaye ngumbhobho womthungo ojikelezayo owenzelwe ngokukodwa ukwakhiwa kwemibhobho yegesi. Ulwakhiwo lomthungo ojikelezayo lunika umbhobho amandla agqwesileyo kunye nokuguquguquka, okwenza ukuba ube ngowona ufanelekileyo ekudluliseleni nasekuthuthweni kwegesi yendalo kumgama omde. Ukomelela kwawo kuqinisekisa ukuxhathisa izinto zangaphandle ezifana nokuhamba komhlaba, umsebenzi wokunyikima kunye nokubola komhlaba, ngaloo ndlela kuqinisekisa ukuba inkqubo yombhobho wegesi yendalo ihlala ixesha elide kwaye ithembekile.

    2. Ukhuseleko kuqala:

    Ukuthembeka nokhuseleko lwemibhobho yegesi yendalo kubaluleke kakhulu kwimpilo-ntle yoluntu kunye nokusingqongileyo. Amandla aphezulu kunye nokuqina kombhobho wentsimbi ojikelezayo we-S355 JR kudlala indima ebalulekileyo ekunciphiseni umngcipheko wokuvuza, ukuqhekeka kunye neengozi ezilandelayo. Ngenxa yokwakhiwa komthungo ojikelezayo, ukuqina kwesakhiwo sombhobho kuhlala kuqinile nokuba kukwindawo enzima okanye kwiimeko zemozulu ezimbi kakhulu. Ukufaka lo mbhobho kwinkqubo yemibhobho yegesi yendalo kunciphisa kakhulu amathuba okuba kubekho iingozi kokusingqongileyo kwaye kuvumela ukuhamba kwegesi yendalo okungaphazanyiswayo kubasebenzisi bokugqibela.

    3. Ukuqina kweziseko zophuhliso ezizinzileyo:

    Ukuqina okuphezulu kombhobho wentsimbi ejikelezayo ye-S355 JR kuqinisekisa ukuhlala ixesha elide kweziseko zophuhliso lombhobho wakho wegesi, oko konga iindleko zokugcinwa kunye nokutshintshwa ngokuhamba kwexesha. Umbhobho wenziwe ngentsimbi ye-S355JR ekumgangatho ophezulu, enokumelana nokugqwala okuhle kakhulu, ukumelana neempembelelo kunye nokumelana nokuguguleka. Oku kuxhathisa kunciphisa ukulungiswa kunye nokutshintshwa, ngaloo ndlela kunciphisa impembelelo iyonke kwindalo esingqongileyo kunye nokukhutshwa kwekhabhoni okunxulunyaniswa nokugcinwa kunye nokwakhiwa kwakhona kombhobho. Umjikelo wobomi obongezelelweyo wombhobho wentsimbi ejikelezayo ye-S355 JR unegalelo ngokuthe ngqo kwinkqubo yombhobho wegesi ezinzileyo nenobuhlobo nokusingqongileyo.

    4. Ukuphucula ukusebenza kakuhle kwezothutho:

    Ukusebenza kakuhle ekuthuthweni kwegesi yendalo kubandakanya ukunciphisa ilahleko yamandla kunye nokwandisa amandla okuhambisa. Ulwakhiwo lomthungo olujikelezayo lombhobho wentsimbi ojikelezayo we-S355 JR luvumela ukuhamba komoya okugudileyo nokungaguquguqukiyo, kunciphisa ilahleko zokungqubana ngelixa kwandisa amandla okuhambisa umbhobho. Umbhobho unomphezulu wangaphakathi ofanayo oqinisekisa amandla okuhamba kakuhle, ngaloo ndlela kunciphisa ukusetyenziswa kwamandla kunye nokwandisa ukusebenza kakuhle. Ukongeza, ubume bombhobho obulula benza ukuphathwa, ukuthuthwa kunye nokufakwa kube lula, konga ixesha kunye neendleko ngexesha lokwakhiwa.

    Isiphelo:

    Ukufaka umbhobho wentsimbi ejikelezayo ye-S355 JR kulwakhiwo lombhobho wegesi yendalo kuye kwangqinwa ukuba kuphucula ukusebenza kakuhle kweziseko zophuhliso. Amandla angaqhelekanga, ukuqina kunye neempawu zokhuseleko zalo mbhobho zenza kube lula ukuhamba kakuhle kwegesi yendalo, kunciphisa umngcipheko weengozi, iingozi zokusingqongileyo kunye neendleko zokulungisa. Ngokuphucula ukusebenza kakuhle kwezothutho kunye nokunciphisa ilahleko yamandla, lo mbhobho udlala indima ebalulekileyo ekuhlangabezaneni nemfuno ekhulayo yamandla ngelixa usamkela iindlela ezizinzileyo. Ukutyala imali kwizisombululo ezintsha ezifana nombhobho wentsimbi ejikelezayo ye-S355 JR kubalulekile koorhulumente, kumashishini nakuluntu ukuqinisekisa ukunikezelwa kwamandla okuthembekileyo nokusebenzayo kunye nokuvula indlela yekamva lamandla acocekileyo.

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