Ntlafatsa Botšepehi ba Sebopeho: Spiral Welded Carbon Pipe ka Metal Pipe Welding Process
Tsebisa
Bonono batjheseletsa peipi ya tšepee hloka motsoako o lumellanang oa tsebo, ho nepahala le lisebelisoa tsa boleng ho netefatsa botšepehi ba sebopeho bakeng sa mefuta e fapaneng ea likopo.Har'a mefuta e mengata ea liphaephe, pipe ea tšepe ea spiral welded carbon, e kang X42 SSAW pipe, e tumme ka matla a eona a phahameng, ho tšoarella le ho boloka litšenyehelo.Ho blog ena, re tla hlahloba bohlokoa ba liphaephe tsa tšepe tse cheselitsoeng ka spirally ka har'a ts'ebetso ea ho tjheseletsa lipeipi tsa tšepe, re ntse re hlahloba ts'ebetso ea eona ea tlhahiso, melemo le libaka tsa kopo.
Thepa ea Mechini
tšepe kereiti | bonyane matla a tlhahiso | Matla a tšepe | Bonyane bo bolelele | Matla a fokolang a ts'usumetso | ||||
Mpa | % | J | ||||||
Botenya bo boletsoeng | Botenya bo boletsoeng | Botenya bo boletsoeng | ka mocheso oa teko ea | |||||
mm | mm | mm | ||||||
<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 | - | - |
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. |
Mokhoa oa tlhahiso
Spiral welded pipe, eo hape e tsejoang e le SSAW (spiral submerged arc welded) pipe, e etsoa ka mokhoa oa ho etsa spiral le mekhoa ea ho tjheseletsa arc ka metsing.Mokhoa ona o qala ka ho lokisa lesela la tšepe le harelaneng, ebe o koba lesela hore e be sebopeho se bilikang.Ka mor'a moo, ho sebelisoa ho tjheseletsa ka tlas'a metsi ka mokhoa o iketsang ho kopanya mahlakoreng a marang-rang, ho etsa hore ho be le tjheseletso e tsoelang pele ho latela bolelele ba phala.Mokhoa ona o tiisa hore motsoako o matla ebile o tšoarella ha o ntse o fokotsa mefokolo le ho boloka botšepehi ba moralo.
Melemo ea spiral welded carbon steel pipe
1. Matla le nako e telele:Spiral welded carbon steel pipee tsejoa ka matla a eona a phahameng le ho tšoarella, ho etsa hore e tšoanelehe bakeng sa likopo tse hlokang khatello e phahameng ea khatello le ts'ebetso ea nako e telele.
2. Tšebeliso ea Litšenyehelo: Liphaephe tsena li fana ka tharollo e theko e tlaase ka lebaka la ts'ebetso ea tsona e sebetsang ea tlhahiso, litšenyehelo tse tlaase tsa thepa e tala, le litlhoko tse fokotsehileng tsa mosebetsi ha li bapisoa le mefuta e meng ea liphaephe.
3. Ho feto-fetoha ha maemo: Ho feto-fetoha ha peipi ea tšepe ea spiral welded carbon e lumella hore e sebelisoe mefuteng e mengata ea lisebelisoa, ho kenyelletsa le lipalangoang tsa metsi, lipalangoang tsa oli le khase, mehaho ea ho bokella, tsamaiso ea likhoerekhoere le mekhoa e sa tšoaneng ea indasteri.
4. Ho nepahala ha dimensional: Mokhoa oa ho etsa li-spiral o ka laola ka nepo boholo le botenya ba lebota la phala, ho netefatsa ho nepahala le ho tšoana ha tlhahiso.
Libaka tsa kopo
1. Indasteri ea oli le khase ea tlhaho: Lipeipi tsa tšepe tse entsoeng ka spiral welded carbon li sebelisoa haholo indastering ea oli le khase ea tlhaho, haholo-holo ho tsamaiseng oli e tala, khase ea tlhaho le lihlahisoa tsa peterole.Matla a tsona le bokhoni ba ho mamella maemo a khatello e phahameng li etsa hore e be tse loketseng liphaephe tsa sebaka se selelele.
2. Phetiso ea Metsi: Ebang ke bakeng sa phepelo ea metsi ea masepala kapa merero ea ho nosetsa, liphaephe tsa tšepe tsa spiral welded carbon li fana ka tharollo e babatsehang ka lebaka la ho hanyetsa kutu, matla le boiketlo ba ho kenya.
3. Tšehetso ea Sebopeho: Mofuta ona oa lipeipi o sebelisoa haholo indastering ea kaho ho fana ka tšehetso ea meralo bakeng sa meaho, marokho, boema-kepe le merero e meng ea meralo ea motheo.Ho tšoarella ha bona le ho hanyetsa likarolo tsa kantle ho etsa hore ba tšepahale lits'ebetsong tse joalo.
4. Lisebelisoa tsa Indasteri: Liphaephe tsa tšepe tsa Spiral welded carbon steel li sebelisoa libakeng tse sa tšoaneng tsa indasteri tse kang ho sebetsana le lik'hemik'hale, limela tsa matla le mesebetsi ea merafo ka lebaka la bokhoni ba tsona ba ho sebetsana le mocheso o phahameng, likhatello le libaka tse senyang.
Ha re phethela
Spiral welded carbon steel pipe, joalo kaPipe ea X42 SSAW, e fetotse mokhoa oa ho cheselletsa lipeipi tsa tšepe, e leng se tlisang melemo e mengata ho liindasteri tse fapaneng.Matla a bona, ho tšoarella, ho boloka litšenyehelo le ho nepahala ha boholo ba tsona ho netefatsa botšepehi ba moralo lits'ebetsong tse fapaneng.Bokhoni ba ho mamella likhatello tse feteletseng, mocheso le libaka tse senyang li etsa hore e be e loketseng bakeng sa phetiso ea oli le khase, phepelo ea metsi le likarolo tse ling tsa indasteri.Ka hona, ha ho tluoa tabeng ea ho cheselletsa lipeipi tsa tšepe, tšebeliso ea liphaephe tsa tšepe tsa spiral welded carbon e ntse e le tharollo e ka tšeptjoang le e sebetsang ho netefatsa mekhoa ea motheo ea nako e telele le e tsitsitseng.
Teko ea Hydrostatic
Bolelele bo bong le bo bong ba phala bo tla lekoa ke moetsi ho khatello ea hydrostatic e tla hlahisa ka har'a lebota la liphaephe khatello ea maikutlo e seng ka tlase ho 60% ea matla a tlase a chai a boletsoeng mocheso oa kamore.Khatello e tla khethoa ke equation e latelang:
P=2St/D
Liphapang Tse Dumelloang Ka Boima le Botekanyo
Bolelele bo bong le bo bong ba phala bo tla lekanngoa ka thoko 'me boima ba eona bo ke ke ba fapana ho feta 10% ho feta kapa 5.5% tlasa boima ba eona ba theoretical, bo baloang ho sebelisoa bolelele ba eona le boima ba eona ka bolelele ba yuniti.
Bophara ba ka ntle bo ke ke ba fapana ho feta ± 1% ho tloha bophara bo boletsoeng bo ka ntle bo boletsoeng
Botenya ba marako sebakeng leha e le sefe ha boa lokela ho feta 12.5% tlas'a botenya ba lebota bo boletsoeng