Liphaephe tse Welded tsa Arc tse Kentsoeng Habeli Bakeng sa Botšepehi bo Matlafalitsoeng ba Sebopeho
Tsebisa:
Lefapheng la boenjiniere ba meralo, bohlokoa ba ho sebelisa lisebelisoa tsa boleng le mekhoa ea kaho bo ke ke ba feteletsoa.Har'a likarolo tse sa tšoaneng tse sebelisoang mererong ea kaho, liphaephe li phetha karolo ea bohlokoa.Re tla fana ka leseli mabapi le bohlokoa ba lipeipi tse cheselitsoeng habeli le ho hlahloba likarolo tsa tsona, melemo le hore na li ka thusa joang ho ntlafatsa boleng ba sebopeho.
Ithute ka liphaephe tse cheselitsoeng habeli:
Peipi e cheselitsoeng habeli, e tsejoang hape e le phala e kolobisitsoeng ka metsing e habeli ea arc (Liphaephe tsa DSAW), e etsoa ka mokhoa oa ho tjheseletsa arc ka tlas'a metsi.Theknoloji e kenyelletsa nako e telele ho kopanya lipoleiti tse peli tse arohaneng tsa tšepe, ho fana ka khokahanyo e matla le e tsoelang pele.Liphaephe tsena li sebelisoa haholo lits'ebetsong tse nang le khatello e phahameng, liphaepheng tsa metsi a ka tlas'a lefatše le khase ea tlhaho, lipatlisiso tsa oli, le sethala sa kantle ho naha.
Thepa ea Mechini
| tšepe kereiti | bonyane matla a tlhahiso | Matla a tšepe | Bonyane bo bolelele | Matla a fokolang a ts'usumetso | ||||
| Botenya bo boletsoeng | Botenya bo boletsoeng | Botenya bo boletsoeng | ka mocheso oa teko ea | |||||
| ＜16 | ~16≤40 | ＜3 | ≥3≤40 | ≤40 | -20 ℃ | 0℃ | 20 ℃ | |
| S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
Ntlafatsa tlhophiso ea botšepehi:
Lebaka le ka sehloohong la ho sebelisapeipi e cheselitsoeng habelike bokhoni ba bona ba ho matlafatsa botšepehi ba sebopeho.Ka li-welds tse se nang moeli le tse matla, liphaephe tsena li fana ka khatello e phahameng ea ho hanyetsa le ho tšoarella.The double weld e etsa bonnete ba hore phala e ka mamella maemo a phahameng a khatello, e leng se etsang hore e be se loketseng bakeng sa lits'ebetso tse mahlonoko moo tjheseletsa e le 'ngoe e ka senyang tšireletso ea moralo.Ts'ebetso ena ea li-welding tse peli e felisa monyetla oa ho lutla kapa mapetsong, ho netefatsa ts'epo ea nako e telele ea sistimi ea hau ea liphaephe.
Karolelano e phahameng ea matla ho boima ba 'mele:
Pipe e entsoeng ka makhetlo a mabeli e fana ka matla a babatsehang ho boima ba 'mele.Ka lebaka la ts'ebetso ea ho cheselletsa, liphaephe tsena li fokolitse botenya ba marako 'me li bobebe ha li ntse li boloka botsitso ba sebopeho.Molemo ona oa karo-karolelano ea matla ho boima o fokotsa moroalo o feletseng mohahong o tšehetsang, o etsa hore e be tharollo e theko e tlaase bakeng sa merero e meholo e kang marokho, litora le mehaho e phahameng.
Corrosion resistance:
Monyetla o mong oa bohlokoa oa phala e cheselitsoeng habeli ke ho hanyetsa kutu.Tiiso e tiileng ea welded e etsa hore ho be le mokoallo o matla khahlanong le lintho tse ka ntle, tse kenyeletsang mongobo, lik'hemik'hale le thepa ea mobu.Sena se thibela karolo e ka hare ea phala hore e se ke ea kopana ka ho toba le mahlahana a senyang, ho etsa bonnete ba hore nako e telele ea tšebeletso ha e bapisoa le liphaephe tse tloaelehileng.Lintho tse thibelang ho bola tsa liphaephe tsena li molemo ka ho khetheha indastering ea oli le khase, moo lipeipi li atisang ho kopana le maemo a thata.
Sebopeho sa Lik'hemik'hale
| Kereiti ea tšepe | Mofuta oa de-oxidation a | % ka boima, boholo | ||||||
| Lebitso la tšepe | Nomoro ea tšepe | C | C | Si | Mn | P | S | Nb |
| S235JRH | 1.0039 | FF | 0,17 | - | 1,40 | 0,040 | 0,040 | 0.009 |
| S275J0H | 1.0149 | FF | 0,20 | - | 1,50 | 0,035 | 0,035 | 0,009 |
| S275J2H | 1.0138 | FF | 0,20 | - | 1,50 | 0,030 | 0,030 | - |
| S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
| S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
| S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
| a.Mokhoa oa deoxidation o khethiloe ka tsela e latelang: FF: Tšepe e bolailoeng ka ho feletseng e nang le likarolo tse tlamang tsa nitrogen ka bongata bo lekaneng ho kopanya naetrojene e fumanehang (mohlala, min. 0,020 % kakaretso ea Al kapa 0,015 % e qhibilihang Al). b.Theko e phahameng ea naetrojene ha e sebetse haeba motsoako oa lik'hemik'hale o bontša bonyane kakaretso ea Al content ea 0,020 % ka tekanyo ea bonyane ea Al/N ea 2:1, kapa haeba likarolo tse ling tse lekaneng tsa N-binding li le teng.Lintlha tse tlamang N li tla tlalehoa Tokomaneng ea Tlhahlobo. | ||||||||
Litšobotsi tse sebetsang hantle tsa sephethephethe:
Sebaka se ka hare se boreleli, se sa sitisoeng sa pipe e entsoeng ka makhetlo a mabeli se lumella litšobotsi tse sebetsang hantle tsa phallo.Ho fapana le mefuta e meng ea liphaephe tse nang le li-protrusions kapa litšitiso tse ka hare, liphaephe tsena li tiisa ho tsoela pele esita le ho phalla ha mokelikeli kapa khase, kahoo ho fokotsa tahlehelo ea likhohlano.Litšobotsi tsa phallo e sebetsang ea lipeipi tse cheselitsoeng habeli li thusa ho ntlafatsa ts'ebetso ea mekhoa e fapaneng ea indasteri, ho kenyeletsoa limela tsa petrochemical, li-refineries le lits'ebeletso tsa kalafo ea metsi.
Ha re phethela:
Qetellong, peipi e cheselitsoeng habeli ke karolo ea bohlokoa e matlafatsang haholo bots'epehi ba sebopeho sa merero e fapaneng ea kaho.Lintho tsa bona tse ikhethang, tse kenyelletsang li-welds tse se nang moeli, karo-karolelano e phahameng ea matla ho boima ba 'mele, ho hanyetsa kutu le ho phalla hantle, ho ba etsa khetho ea pele bakeng sa likopo tse hlokang ho tšepahala, ho tšoarella le ho boloka litšenyehelo.Ka ho sebelisa lipeipi tse cheselitsoeng habeli, lienjiniere le likonteraka li ka netefatsa ts'ebetso ea nako e telele le e bolokehileng ea lits'ebetso tsa bohlokoa, ho e etsa letlotlo la bohlokoa masimong a kaho le boenjiniere.
Ka kakaretso, phala ea tšepe ea spiral S235 J0 e fana ka boleng bo ke keng ba lekanngoa le ho tšoarella bakeng sa haupipi e kholo e kolobisitsoengelitlhoko.Ka lits'ebetso tsa bona tse tsoetseng pele tsa tlhahiso, boleng bo holimo ba welding le tlhahlobo e phethahetseng ea boleng, lihlahisoa tsa rona li netefalitsoe ho feta litebello tsa hau.Tšepa Cangzhou Spiral Steel Pipe Group Co., Ltd.'s botsebi le boiphihlelo ho fihlela litlhoko tsohle tsa hau tsa phala ea tšepe.
