E sebelisoang haholo ts'ebetsong ea ho cheka oli ke API ea oli ea API e fanoang ke Hunan Great Steel Pipe Co., Ltd. E boetse e sebelisoa hammoho lephunya liphaephe, ho phunya melala, liphaephe tse bohareng le lipeipi tsa tšepe tse chekang tse bophara bo bonyenyane.Mosebetsi o ka sehloohong oa casing ea oli ea API ke ho tšehetsa lerako la seliba sa oli nakong ea ts'ebetso eohle ea ho cheka le ka mor'a ho phethoa, e ka netefatsang ts'ebetso e tloaelehileng ea seliba sohle sa oli.

Phaephe ea casing ea oli ea API e fanoang ke Hunan Great Steel Pipe Co., Ltd ke mofuta oa lipeipi tse tsamaisang peterole le lisebelisoa tse ling tse tala.Litlhoko tsa tekheniki bakeng sa pipe ea casing ea oli ea API e fanoeng ke Hunan Great Steel Pipe Co., Ltd le eona e thata haholo.Har'a tsona, tlhokahalo e thata ka ho fetisisa ke mocheso, o hlokang mocheso o lumellanang le mohato o mong le o mong oa ho sebetsa.Mohlala, AC1 ea tšepe ea 27MnCrV e lumellana le mocheso oa likhato tse 736 tsa Celsius.Mocheso oa mocheso o lokela ho laoloa pakeng tsa 740-810 likhato tsa Celsius nakong ea ho tima mocheso o tlase.Etsa bonnete ba hore mocheso oa ho tima mocheso o tlase ke likhato tse 780, 'me nako ea ho futhumatsa e feta metsotso e 15;mocheso o senyang oa casing ea oli ea API e fanoeng ke Hunan Great Steel Pipe Co., Ltd ka mor'a ho tima e lokela ho laoloa ka likhato tse 630, 'me mocheso o lokela ho laoloa.Nako e lokela ho ba ka holimo ho metsotso e 50.Haeba u batla ho ntlafatsa ho tiea ha casing ea oli ea API, mocheso oa ho futhumatsa o lokela ho laoloa pakeng tsa α + γ, 'me ho hlokahala hore u time casing ea oli ea API ha u ntse u boloka karolo ea ferrite e qhibilihisitsoeng.Ka hona, casing ea oli ea API e phekoloa ka mocheso ka ho tima mocheso o ka tlaase ho mocheso, o ka ntlafatsang matla a thata a API ea oli ea API, le ho ntlafatsa matla a ts'ebetso le ho hanyetsa tšenyo ea oli ea API.

Taolo e thata e lokela ho etsoa nakong ea phekolo ea mocheso ea API ea phala ea oli ea API e fanoang ke Hunan Great Steel Pipe Co., Ltd. Ke ka tsela ena feela boleng ba phala ea oli ea API e fanoang ke Hunan Great Steel Pipe Co., Ltd. tiisitsoe.E na le toughness e kholo le ts'ebetso e 'ngoe nakong ea tšebeliso.Khase ea oli ea API e fanoang ke Hunan Great Steel Pipe Co., Ltd e amohela mokhoa oa ts'ebetso oa cryogenic quenching ho fokotsa phetoho ea khatello ea maikutlo nakong ea ho tima.Ka kakaretso, mocheso oa ho tima joalo oa cryogenic o tlase ho feta mocheso o tloaelehileng, kahoo ha ho bonolo ho baka Hunan nakong ea ho tima.The deformation ea API oli casing e fanoang ke Great Steel Pipe Co., Ltd. Ho sebelisa mokhoa ona oa phekolo ho ke ke ha netefatsa tlhahiso e tloaelehileng feela empa hape ho fana ka lisebelisoa tse tala bakeng sa ts'ebetso ea terata e latelang.