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    Ho Utloisisa Bohlokoa ba Pipe ea Khase ea Tlhaho ea Boleng bo Botle: Pipe ea X42 SSAW, ASTM A139 le EN10219

    Ho Utloisisa Bohlokoa ba Pipe ea Khase ea Tlhaho ea Boleng bo Botle: Pipe ea X42 SSAW, ASTM A139 le EN10219 Setšoantšo se Hlahisitsoeng
    • Ho Utloisisa Bohlokoa ba Pipe ea Khase ea Tlhaho ea Boleng bo Botle: Pipe ea X42 SSAW, ASTM A139 le EN10219

    Tlhaloso e Khutšoanyane:

    Ha ho tluoa tabeng ea lipalangoang tsa khase ea tlhaho, litsamaiso tsa lipeipi li bapala karolo ea bohlokoa ho netefatseng hore mohloli ona oa bohlokoa o tla fanoa ka mokhoa o sireletsehileng le o sebetsang hantle.phaephe ea khase ea tlhaho Khetho ke qeto ea bohlokoa kaha e ama ka ho toba botšepehi le polokeho ea marang-rang ohle a kabo ea khase. Ho blog ena, re tla hlahloba bohlokoa ba phaephe ea khase ea tlhaho ea boleng bo holimo, re shebane le phaephe ea X42 SSAW, ASTM A139, le EN10219.


    Qaqiso ea Sehlahisoa

    Li-tag tsa Sehlahisoa

     X42SSAWphaepheke mofuta oa phaephe ea khase ea tlhaho e sebelisoang haholo indastering ea oli le khase. E etsoa ka mokhoa oa ho tjheseletsa arc e ka tlas'a metsi e hlahisang liphaephe tsa boleng bo holimo le tse tšoarellang. Phaephe ea X42 SSAW e na le matla a holimo le thepa e ntle ea lik'hemik'hale, e leng se etsang hore e lokele litlhoko tse boima tsa lipalangoang tsa khase ea tlhaho. Ho hanyetsa ha eona mafome le ho petsoha ho etsa hore e be khetho ea pele bakeng sa merero ea kaho ea liphaephe.

     ASTM A139ke tekanyetso e 'ngoe ea bohlokoa bakeng sa liphaephe tsa khase ea tlhaho. Tlhaloso ena e akaretsa phaephe ea tšepe e otlolohileng kapa e spiral e kopantsoeng ka motlakase e sebelisetsoang ho tsamaisa likhase, mouoane, metsi le lintho tse ling tse metsi. Phaephe ea ASTM A139 e tsebahala ka ho tšepahala ha eona le ts'ebetso ea nako e telele tlas'a maemo a thata ka ho fetisisa a ts'ebetso. Liphaephe tsena li etselitsoe ho mamella khatello e phahameng le ho feto-fetoha ha mocheso, e leng se etsang hore li be ntle bakeng sa phetisetso ea khase ea tlhaho le lits'ebetso tsa kabo.

    E tloaelehileng Sehlopha sa tšepe Sebopeho sa lik'hemik'hale Matlo a ho thapolla Teko ea Tšusumetso ea Charpy le Teko ea ho lahla boima ba 'mele
    C Mn P S Ti Tse ling CEV4)（%） Matla a tlhahiso ea Rt0.5 Mpa Matla a ho tensile a Rm Mpa A% L0=5.65 √ Ho lelefatsa S0
    boholo boholo boholo boholo boholo   boholo boholo motsotso boholo motsotso boholo  
    Tlhahlobo ea API 5L (PSL2) B 0.22 1.20 0.025 0.015 0.04 Bakeng sa mekgahlelo yohle ya tshepe: Ho eketsa Nb kapa V kapa motswako ofe kapa ofe ka boikgethelo
    ea bona, empa
    Nb+V+Ti ≤ 0.15%,
    le Nb+V ≤ 0.06% bakeng sa sehlopha sa B    		 0.25 0.43 241 448 414 758 E tla baloa
    ho latela
    foromo e latelang:
    e=1944·A0.2/U0.9
    A: Karolo e tšekaletseng
    sebaka sa sampole ka mm2 U: Matla a fokolang a ho thaepa a boletsoeng ka hare ho
    Mpa    		 Ho na le liteko tse hlokahalang le liteko tse sa hlokeng boikhethelo. Bakeng sa lintlha tse qaqileng, sheba tekanyetso ea pele.
    X42 0.22 1.30 0.025 0.015 0.04 0.25 0.43 290 496 414 758
    X46 0.22 1.40 0.025 0.015 0.04 0.25 0.43 317 524 434 758
    X52 0.22 1.40 0.025 0.015 0.04 0.25 0.43 359 531 455 758
    X56 0.22 1.40 0.025 0.015 0.04 0.25 0.43 386 544 490 758
    X60 0.22 1.40 0.025 0.015 0.04 0.25 0.43 414 565 517 758
    X65 0.22 1.45 0.025 0.015 0.06 0.25 0.43 448 600 531 758
    X70 0.22 1.65 0.025 0.015 0.06 0.25 0.43 483 621 565 758
    X80 0.22 1.65 0.025 0.015 0.06 0.25 0.43 552 690 621 827
                   Si  Mn+Cu+Cr  Ni  Tjhe   V
    1)CE(Pcm)=C+ 30 + 20 + 60 + 15 + 10 +58
                                 Mn  Cr+Mo+V     Ni+Cu 
    2)CE(LLW)= C + 6 + 5 + 15

     EN10219ke tekanyetso ea Europe e hlalosang maemo a tekheniki a ho fana ka likarolo tse se nang letho tsa sebopeho tse entsoeng ka tšepe e sa tsoakoang le tšepe e nang le moqolo o motle. Le hoja EN10219 e sa etsetsoa liphaephe tsa khase ea tlhaho ka ho khetheha, litlhoko tsa eona tse thata tsa ho tšoarella, ho nepahala ha litekanyo le thepa ea mechini li etsa hore e be khetho e loketseng merero e itseng ea liphaephe tsa khase. Ho sebelisa liphaephe tse lumellanang le maemo a EN10219 ho ka ntlafatsa botšepehi bohle le bophelo ba tšebeletso ea sistimi ea hau ea kabo ea khase ea tlhaho.

    Bohlokoa ba ho khetha phaephe ea khase ea tlhaho ea boleng bo holimo bo ke ke ba feteletsoa. ​​Liphaephe tsa boleng bo tlaase kapa tse sa lokelang li ka baka likotsi tse kholo tikolohong, polokehong ea sechaba le botšepehing bo akaretsang ba phepelo ea khase. Ka hona, litšebeletso tsa khase ea tlhaho, basebetsi ba liphaephe le batsamaisi ba merero ba tlameha ho beha pele tšebeliso ea thepa ea liphaephe tse pakiloeng le tse thehiloeng hantle joalo ka phaephe ea X42 SSAW, ASTM A139 le EN10219.

    Phaephe ea SSAW

    Ka kakaretso,phaephe ea khase ea tlhahoKhetho ke karolo ea bohlokoa ea moralo le kaho ea liphaephe. ​​Lintho tse lokelang ho nahanoa ka boleng, tse kang matla a thepa, ho hanyetsa mafome, le ho latela maemo a indasteri, li lokela ho khanna ts'ebetso ea ho etsa liqeto. Ka ho khetha liphaephe tse tšepahalang le tse nang le botumo bo botle, tse kang phaephe ea X42 SSAW, ASTM A139, le EN10219, bankakarolo ba ka netefatsa hore meralo ea motheo ea lipalangoang tsa khase ea tlhaho e sebetsa nako e telele ebile e sireletsehile.

    Qetellong, ho bohlokoa ho beha pele tšebeliso ea liphaephe tsa khase ea tlhaho tsa boleng bo holimo tse fihlelang maemo a indasteri 'me li na le thepa ea mechini le ea lik'hemik'hale e hlokahalang. Ka ho khetha likhetho tse tšepahalang joalo ka phaephe ea X42 SSAW, ASTM A139 le EN10219, basebetsi ba liphaephe ba ka netefatsa botšepehi le polokeho ea nako e telele ea litsamaiso tsa bona tsa kabo ea khase ea tlhaho.

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