Kamora hore mokotla oa oli o sebelise mokhoa ona oa kalafo ea mocheso, o ka ntlafatsa ka nepo matla a ts'usumetso, matla a ho tsitsa, le ts'ebetso e khahlanong le tšenyo ea casing ea oli, ho netefatsa boleng bo botle ba tšebeliso.Petroleum casing ke thepa e hlokahalang ea lipeipi bakeng sa ho cheka oli le khase ea tlhaho, 'me e hloka ho ba le ts'ebetso e ntle ha e sebelisoa.Taolo e fapaneng ea mocheso e khethoa bakeng sa likarolo tse fapaneng tsa mocheso oa casing ea oli.Ho futhumatsa ho hloka ho hlahisoa ho latela mocheso o itseng.Bakeng sa tšepe ea 27MnCrV, AC1=736℃, AC3=810℃, mocheso oa mocheso o lokela ho ba 630℃ka mor'a ho tima, le ho futhumatsa ho futhumatsa Nako ea ho tšoara ke metsotso e 50;mocheso oa mocheso o khethoa ho tloha ho 740 ho isa ho 810°C nakong ea ho tima mocheso o tlase.Mocheso oa mocheso oa ho tima mocheso o tlase ke 780℃, 'me nako ea ho tšoara mocheso oa ho tima ke metsotso e 15.Hobane sub-themperature quenching e futhumala kaα+γ libaka tse peli-mohato, quenching e etsoa sebakeng sa ferrite sebakeng seo, ho boloka matla a phahameng ha a ntse a finyella toughness.ntlafatsa.

Phekolo ea mocheso oa casing ea oli e tlameha ho etsoa ka thata ho etsa bonnete ba hore casing ea oli e hlahisoang e na le boleng bo botle ba sehlahisoa le ts'ebetso, 'me ha e sebelisoa feela e ka bonts'a boleng ba tšebeliso e ntle le ts'ebetso, e khomarela matla a phahameng le toughness, le kalafo ea mocheso ho mekhoa e fapaneng.Ka nako e ts'oanang, mocheso oa ho tima mocheso o tlase o tlase ho feta mocheso o tloaelehileng, o fokotsang khatello ea maikutlo le ho fokotsa ho senyeha ha quenching.Sena se tiisa ts'ebetso e bonolo ea tlhahiso ea kalafo ea mocheso oa casing ea oli mme e fana ka maemo a matle bakeng sa ts'ebetso ea mohala e latelang.lisebelisoa tse so ntlafatsoe.

Hona joale, mokhoa ona o sebelisitsoe lifemeng tse fapaneng tsa ho sebetsa lipeipi tsa tšepe.Lintlha tsa netefatso ea boleng li bonts'a hore matla a matla a phala ea tšepe e kentsoeng mocheso ke Rm910-940MPa, matla a tlhahiso ea Rt0.6820-860MPa a tšoaneleha ka 100%, 'me matla a Akv65-85J a bonts'a hore Pipe ea tšepe ea 27MnCrV e se e ntse e le teng. khase ea peteroleum ea boleng bo holimo haholo ea boleng bo holimo.Ka lehlakoreng le leng, e boetse e bontša hore mokhoa oa ho tima mocheso o ka tlaase ho mocheso ke mokhoa o babatsehang oa ho qoba mocheso o phahameng oa mocheso ha ho etsoa lihlahisoa tsa tšepe.