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    Pipe e Kholo ea Metsi e nang le Tšebeliso e Phahameng

    Pipe e Kholo ea Metsi e nang le Tšebeliso e Phahameng Setšoantšo se Hlahisitsoeng
    • Pipe e Kholo ea Metsi e nang le Tšebeliso e Phahameng

    Tlhaloso e Khutšoanyane:

    Lipeipi tsa rona tsa metsi li etselitsoe ho ba tse sebetsang hantle le tse feto-fetohang, 'me li ka sebelisoa libakeng tse fapaneng, e leng se etsang hore li be ntle bakeng sa borakontraka, bomasepala le lits'ebetso tsa indasteri.


    Qaqiso ea Sehlahisoa

    Li-tag tsa Sehlahisoa

    Thepa ea Bohlokoa ea 'Mele le ea Lik'hemik'hale ea Liphaephe tsa Tšepe (GB/T3091-2008, GB/T9711-2011 le API Spec 5L)

    		        

    E tloaelehileng

    Kereiti ea Tšepe

    Likarolo tsa Lik'hemik'hale (%)

    Thepa e Tenyetsehang

    Teko ea Tšusumetso ea Charpy (V notch)
    c Mn p s Si

    Tse ling

    Matla a Tekanyo (Mpa)

    Matla a ho Tenyetseha (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 NbVTi 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 NbVTi kapa motsoako ofe kapa ofe oa tsona ka boikhethelo

    		 175   310  

    27

    E 'ngoe kapa tse peli tsa index ea ho tiea ha matla a tšusumetso le sebaka sa ho kuta li ka khethoa. Bakeng sa L555, sheba tekanyetso.
    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 motsoako oa tsona ka boikhethelo, le Nb+V+Ti ≤ 0.15%

    		 172   310  

    （L0=50.8mm）e tla balwa 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 efe kapa bobedi ba matla a tshusumetso le sebaka sa ho kuta tse hlokahalang e le tekanyetso ya ho tiya.
    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

     

     

    Selelekela sa Sehlahisoa

    Re hlahisa liphaephe tsa rona tsa metsi tse sebetsang hantle haholo, tse etselitsoeng ho fihlela litlhoko tse fapaneng tsa liindasteri tse fapaneng. Khamphani ea rona e hlahisitsoeng fekthering ea rona ea sejoale-joale Cangzhou, Profinseng ea Hebei, e bile moetapele tlhahisong ea liphaephe ho tloha ha e thehoa ka 1993. Ka sebaka sa limithara tse lisekoere tse 350,000 le thepa eohle ea RMB 680 milione, re motlotlo ho ba le basebetsi ba inehetseng ba litsebi tse 680 tse nang le boiphihlelo.

    Ea ronaphaephe e kholo ea metsili entsoe bakeng sa ts'ebetso e ntle ka ho fetisisa lits'ebetsong tsa bohlokoa joalo ka lipeipi tsa metsi le lithapo tsa khase. Rea utloisisa hore litlhaloso tsa lipeipi tsena, ho kenyeletsoa le li-weld le meralo ea seam e potolohang, li bapala karolo ea bohlokoa ts'ebetsong ea tsona le ts'epong ea tsona. Ke ka lebaka leo re sebelisang mekhoa e tsoetseng pele ea tlhahiso le mehato e thata ea taolo ea boleng ho netefatsa hore lipeipi tsa rona li fihlela maemo a holimo a indasteri.

    Lipeipi tsa rona tsa metsi li etselitsoe ho ba tse sebetsang hantle le tse feto-fetohang, 'me li ka sebelisoa libakeng tse fapaneng, e leng se etsang hore li be ntle bakeng sa borakonteraka, masepala le lits'ebetso tsa indasteri. Ebang u kenya peipi e ncha ea metsi kapa u ntlafatsa mohala oa khase o seng o ntse o le teng, liphaephe tsa rona li fana ka ho tšoarella le matla a hlokahalang ho fihlela litlhoko tsa projeke efe kapa efe.

    Molemo oa Sehlahisoa

    E 'ngoe ea melemo ea mantlha ea liphaephe tse kholo tsa metsi ke ho sebetsa ha tsona haholo. Li etselitsoe ho fihlela litlhoko tsa libaka tse fapaneng, e leng se etsang hore li lokele libaka tsa litoropo le tsa mahaeng. Ho feto-fetoha ha liphaephe tsena ho li lumella ho sebelisoa lits'ebetsong tse fapaneng, ho tloha phepelong ea metsi a bolulo ho ea ho lipalangoang tsa khase tsa indasteri. Ho ikamahanya le maemo hona ho bohlokoa bakeng sa bomasepala le likhoebo ka ho tšoana, kaha ho nolofatsa lits'ebetso tsa theko le ho kenya.

    Khaello ea sehlahisoa

    Tshebetso ya diphaephe tsena e ka angwa ke mabaka a kang maemo a mobu, ho feto-fetoha ha mocheso, le maemo a kgatello. Mohlala, diphaephe tse welditsweng di ka nna tsa angwa habonolo ke mafome dibakeng tse itseng, athe diphaephe tsa seam tse potolohang di kanna tsa se be matla tlasa maemo a kgatello e phahameng. Ho utlwisisa meedi ena ho bohlokwa bakeng sa baenjiniere le bahlophisi ho netefatsa hore mofuta o nepahetseng wa phaephe o kgethwa bakeng sa tshebediso e nngwe le e nngwe e ikgethang.

    Kopo

    Bohlokoa ba lipeipi tsa metsi tse tšepahalang le tsa boleng bo holimo nts'etsopele ea meralo ea motheo e ntseng e hola bo ke ke ba feteletsoa. ​​Li tsebahala ka ho sebetsa hantle ha tsona, lipeipi tsena li bohlokoa lits'ebetsong tse fapaneng, ho kenyeletsoa lipeipi tsa metsi le khase. Litlhaloso tsa tsona, tse kang li-weld le moralo oa seam ea spiral, li bapala karolo ea bohlokoa ho netefatseng ts'ebetso e ntle le bophelo ba ts'ebeletso.

    Liphaephe tsa rona tse ka sehloohong tsa metsi li sebelisoa lits'ebetsong tse fapaneng, e leng se bonahalang masimong a fapaneng. Ebang ke sistimi ea phepelo ea metsi ea masepala kapa marang-rang a kabo ea khase, liphaephe tsa rona li ka mamella mathata a ts'ebeliso ea letsatsi le letsatsi ha li ntse li boloka ts'ebetso e ntle. Li tjheselitsoe 'mephaephe ea seam e potolohangdikgetho di fana ka ho tenyetseha ha tshebediso, e leng se dumellang hore ditharollo di etswe ka tsela e ikgethang ho fihlela ditlhoko tse itseng tsa projeke.

     

    phala ea tšepe e potolohang

     

     

    LBH

    P1. Phaephe e kgolo ya metsi e entswe ka thepa efe?

    Hangata liphaephe tse kholo tsa metsi li etsoa ka thepa e tšoarellang joalo ka tšepe, PVC le HDPE. Khetho ea thepa e itšetlehile ka ts'ebeliso e itseng le maemo a tikoloho.

    P2. Liphaephe tse welletsoeng le liphaephe tsa seam tse potolohang ke eng?

    Phaephe e tjheseditsweng e bopjwa ka ho kopanya mathoko a mabedi a phaephe mmoho, e nang le sebopeho se matla le se sa dutleng. Phaephe ya sehokelo se potileng e bopjwa ka ho phutholla mothapo o bataletseng wa tshepe hore e be sebopeho sa phaephe, e nang le ho tenyetseha ho hoholo moralong le tshebedisong.

    P3. Nka khetha phaephe e nepahetseng joang bakeng sa projeke ea ka?

    Nahana ka lintlha tse kang mofuta oa mokelikeli o fetisoang, litlhoko tsa khatello, le maemo a tikoloho. Ho buisana le setsebi ho ka boela ha thusa ho netefatsa hore u khetha phaephe e ntle ka ho fetisisa bakeng sa litlhoko tsa hau.

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

    Lihlopha tsa lihlahisoa