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    Liphaephe tse Welded tse Bophara bo Kholo Liqubu tsa Tšepe tsa Tubular

    Liphaephe tse Khōlō tse Welded tse nang le Bophara bo Kholo Liqubu tsa Tšepe tsa Tubular Setšoantšo se Hlahisitsoeng
    • Liphaephe tse Welded tse Bophara bo Kholo Liqubu tsa Tšepe tsa Tubular
    • Liphaephe tse Welded tse Bophara bo Kholo Liqubu tsa Tšepe tsa Tubular

    Tlhaloso e Khutšoanyane:

    Re thabetse ho qala lihlahisoa tsa rona tse ncha tsa tšepe tse nang le liqubu tsa tšepe, tse etselitsoeng ho fana ka ts'ebeliso e ntle haholo bakeng sa lits'ebetso tse fapaneng, haholo-holo cofferdams. Liqubu tsena li na le moralo o kobehileng kapa o chitja o kopaneng bakeng sa matla le ho tšoarella ho sa bapisoeng, o koahelang le ho thibela ho kena ha metsi, mobu le lehlabathe ka katleho.


    Qaqiso ea Sehlahisoa

    Li-tag tsa Sehlahisoa

    Liqubu tsa liphaephe tsa tšepeli etsoa ka thepa ea boleng bo holimo le theknoloji e tsoetseng pele, e leng se etsang hore li tšepahale haholo bakeng sa projeke efe kapa efe ea kaho. Liqubu tsena li sebelisoa hangata ho cofferdams 'me moralo oa tsona o matla oa sebopeho o netefatsa polokeho le botsitso bo hlokahalang bakeng sa metheo le mesebetsi e meng ea meralo ea motheo.

    E tloaelehileng  

    Kereiti ea Tšepe

    		 Likarolo tsa Lik'hemik'hale (%) Thepa e Tenyetsehang Charpy

    (Sekoti sa V)

    Teko ea Tšusumetso
    c Mn p s Si Tse ling Matla a Tekanyo

    (Mpa)

    		 Matla a tšepe

    (Mpa)

    		 （L0=5.65 √ S0）Sekhahla sa ho Otlolla sa mets（%）
    boholo boholo boholo boholo boholo motsotso boholo motsotso boholo D ≤ 168.33mm D ＞ 168.3mm
     

     

     

    GB/T3091 -2008

    		 Q215A ≤ 0.15 0.25 ＜ 1.20 0.045 0.050 0.35  

     

    Ho eketsa Nb\V\Ti ho latela GB/T1591-94

    		 215   335   15 > 31  
    Q215B ≤ 0.15 0.25-0.55 0.045 0.045 0.035 215 335 15 > 31
    Q235A ≤ 0.22 0.30 ＜ 0.65 0.045 0.050 0.035 235 375 15 >26
    Q235B ≤ 0.20 0.30 ≤ 1.80 0.045 0.045 0.035 235 375 15 >26
    Q295A 0.16 0.80-1.50 0.045 0.045 0.55 295 390 13 >23
    Q295B 0.16 0.80-1.50 0.045 0.040 0.55 295 390 13 >23
    Q345A 0.20 1.00-1.60 0.045 0.045 0.55 345 510 13 >21
    Q345B 0.20 1.00-1.60 0.045 0.040 0.55 345 510 13 >21
     

     

     

     

    GB/

    T9711-

    2011

    (PSL1)

    		 L175 0.21 0.60 0.030 0.030    

     

     

    Ho eketsa e 'ngoe ea likarolo tsa Nb\V\Ti kapa motsoako ofe kapa ofe oa tsona ka boikhethelo

    		 175   310   27  

    E 'ngoe kapa tse peli tsa index ea boima ba

    matla a tšusumetso le sebaka sa ho kuta li ka khethoa.

    L555, sheba maemo a tloaelehileng.
    L210 0.22 0.90 0.030 0.030 210 335 25
    L245 0.26 1.20 0.030 0.030 245 415 21
    L290 0.26 1.30 0.030 0.030 290 415 21
    L320 0.26 1.40 0.030 0.030 320 435 20
    L360 0.26 1.40 0.030 0.030 360 460 19
    L390 0.26 1.40 0.030 0.030 390 390 18
    L415 0.26 1.40 0.030 0.030 415 520 17
    L450 0.26 1.45 0.030 0.030 450 535 17
    L485 0.26 1.65 0.030 0.030 485 570 16
     

     

     

     

    API 5L (PSL 1)

    		 A25 0.21 0.60 0.030 0.030    

    Bakeng sa tšepe ea sehlopha sa B,

    Nb+V ≤ 0.03%;

    bakeng sa tšepe ≥ sehlopha sa B, ho eketsa Nb kapa V kapa tsa bona ka boikhethelo

    motsoako, le Nb+V+Ti ≤ 0.15%

    		 172   310    

    (L0 = 50.8mm) ho ba

    e baloang ho latela foromo e latelang:

    e=1944·A0 .2/U0 .0

    A: Sebaka sa sampole ka mm2 U: Matla a fokolang a ho thaepa a boletsoeng ka Mpa

    		  

    Ha ho letho kapa leha e le lefe

    kapa ka bobeli ba

    tšusumetso

    matla le

    ho kuta

    sebaka sea hlokahala e le tekanyetso ea ho tiea.
    A 0.22 0.90 0.030 0.030   207 331
    B 0.26 1.20 0.030 0.030   241 414
    X42 0.26 1.30 0.030 0.030   290 414
    X46 0.26 1.40 0.030 0.030   317 434
    X52 0.26 1.40 0.030 0.030   359 455
    X56 0.26 1.40 0.030 0.030   386 490
    X60 0.26 1.40 0.030 0.030   414 517
    X65 0.26 1.45 0.030 0.030   448 531
    X70 0.26 1.65 0.030 0.030   483 565

    Ea ronaphaephe e tjhisitsweng ka bophara bo boholoske motheo oa liqubu tsena tsa liphaephe tsa tšepe, e leng se ntlafatsang ts'epo ea tsona le ts'ebetso ea tsona. Ka lits'ebetso tse hlokolosi tsa ho tjheseletsa le taolo ea boleng, re netefatsa hore qubu e 'ngoe le e 'ngoe e fihlela maemo a holimo a indasteri. Liphaephe tsena li fana ka ho tenyetseha le ho tšoarella ho ikhethang, ho lumella liqubu tsa liphaephe tsa tšepe ho mamella maemo a feteletseng le tikoloho e thata.

    Jwalo ka moetsi ya etellang pele indastering, Cangzhou Spiral Steel Pipes Group Co., Ltd. e na le dibaka tsa sejoale-joale tse akaretsang sebaka se fetang disekwere-mithara tse 350,000. Ka boleng ba thepa bo fihlang ho diyuan tse dimilione tse 680, re tsetela theknolojing le disebedisweng tse tsoetseng pele ho netefatsa tlhahiso ya boleng bo hodimo. Ho feta moo, basebetsi ba rona ba inehetseng ba basebetsi ba 680 ba netefatsa hore sehlahiswa se seng le se seng se feta ditekong tse thata tsa boleng pele se fihla matsohong a bareki ba rona ba bohlokwa.

    Phaephe ea SSAW

    Feme ea rona e na le tlhahiso ea selemo le selemo ea lithane tse 400,000 tsa liphaephe tsa tšepe tse potolohang le boleng ba tlhahiso ea li-yuan tse libilione tse 1.8. Ketsahalo ena ea bohlokoa e bontša boitlamo ba rona ba ho fana ka bokhabane ba tšebeletso le ho fihlela litlhoko tsa bareki ba rona ba bohlokoa sebakeng sa heno le lefatšeng ka bophara.

    Liqubu tsa liphaephe tsa tšepehammoho le liphaephe tsa rona tse nang le bophara bo boholo tse tjheseditsweng di fana ka ho tenyetseha ho hoholo, e leng se etsang hore di lokele mefuta e mengata ya ditshebediso. Ntle le cofferdams, diqubu tsa rona di sebediswa haholo kahong ya borokho, meralo ya motheo ya kou le merero e meng ya lewatle. Moralo o ikgethang o kobehileng kapa o chitja wa diqubu tsena o netefatsa ho boloka metsi le mobu hantle ha ka nako e ts'oanang o fana ka foreimi e matla ya sebopeho.

    Boitlamo ba khamphani ea rona ho boleng, botsebi le khotsofalo ea bareki bo re susumelletsa ho ntlafatsa lits'ebetso tsa rona tsa tlhahiso khafetsa le ho nts'etsapele litharollo tse ncha. Re khomarela litekanyetso tse tiileng tsa taolo ea boleng ho netefatsa hore lihlahisoa tsa rona li boleng bo holimo 'me li fihlela kapa li feta litebello tsa hau.

    Ka kakaretso,liqubu tsa tšepe tse nang le li-tubeli fetola indasteri ea kaho ka matla le ho tšoarella ha phaephe ea rona e nang le bophara bo boholo e bōpehileng joaloka thapo. Ka bokhoni ba tsona ba ho mamella maemo a thata le tšebeliso ea tsona e khethehileng ho cofferdams, liqubu tsena li fana ka tšireletso le tšehetso e ke keng ea lekanngoa. Sebelisana le Cangzhou Spiral Steel Pipes Group Co., Ltd. ho fumana lihlahisoa tsa boleng bo holimo tse ntlafatsang merero ea hau le ho fana ka litharollo tse tšoarellang nako e telele.

  • E fetileng:
  • E 'ngoe:
    • Ngola molaetsa oa hau mona 'me u o romelle ho rona

    Lihlopha tsa lihlahisoa