Pipe ea tšepe ea SSAW Bakeng sa Mohala oa Metsi a ka Tlase
Ho hlahisoa ha tšepe ea revolutionary spiral submerged arc weldedpipe bakeng sa melapo ea metsi a ka tlas'a lefatše
Cangzhou Spiral Steel Pipe Group Co., Ltd. e phatlalalitse phala ea eona ea tšepe ea seam seam, e leng phala ea tšepe ea spiral seam e tla fetola indasteri ea lipeipi tsa metsi a ka tlas'a lefatše.Pipe ena e fetola papali 'marakeng oa phepelo ea metsi le litšila tsa masepala ka lebaka la boleng ba eona bo holimo le ts'ebetso e phahameng.
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 | - | - | |||||
SSAW lipeipi tsa tšepeli entsoe ka hlobolisa tšepe coils e le thepa e tala, extruded ka mocheso kamehla, 'me tjheseletsa ke jarolla ka ho iketsa habeli terata mahlakoreng a mabeli qoelisoa arc tjheseletsa tshebetso.Theknoloji ena e ncha ea tlhahiso e netefatsa maemo a phahameng ka ho fetisisa a ho nepahala le ho tšoarella, ho etsa hore liphaephe tsa rona li be tse loketseng bakeng sa lits'ebetso tsa metsi a ka tlas'a lefatše.
Pelo ea senaphala ea tšepe ea spiralke moralo oa eona o ikhethang oa spiral.Tšepe ea hlobo e tšeloa ka har'a sesebelisoa sa phala e cheselitsoeng 'me butle-butle e phuthoa ke lirolara tse ngata ho etsa tube e chitja e se nang letho e nang le lekhalo le bulehileng.E na le bokhoni ba ho fetola palo ea phokotso ea rolara ea extrusion, 'me lekhalo la weld le ka laoloa pakeng tsa 1-3mm ho netefatsa hore ho na le khokahanyo e se nang moeli le e tiileng.Ho feta moo, lipheletso ka bobeli tsa lenonyeletso le cheselitsoeng li hloekile hantle, li fana ka pheletso e phethahetseng.
Liphaephe tsa tšepe tsa SSAW li na le litšobotsi tse 'maloa tse li khethollang ho liphaephe tsa tšepe tse tloaelehileng.Sebopeho sa eona sa spiral se na le matla a babatsehang le ho hanyetsa matla a ka ntle, ho netefatsa tšireletseho le ho tšepahala ha mokhoa oa ho fana ka metsi.Ho feta moo, ts'ebetso ea boleng bo phahameng ea welding e etsa bonnete ba hore manonyeletso ha a lutle 'me a thibela metsi ho tsoa kapa ho silafala.Ka kaho ea eona e tiileng le likhokahano tse sireletsehileng, peipi ena e netefatsa ts'ebetso e tšoarellang nako e telele le ho fokotsa litlhoko tsa tlhokomelo, e leng se etsang hore e be tharollo e theko e boima bakeng sa projeke efe kapa efe ea likhoele tsa metsi a ka tlas'a lefatše.
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. | ||||||||
Sehlahisoa sena se ikhethang se etselitsoe ho fihlela litlhoko tse fapaneng tsa indasteri.Hore na o aha phepelo ea metsi a masepala le litsamaiso tsa likhoerekhoere kapa ho tsamaisa khase ea tlhaho le oli maetong a malelele, khetho ea pele ke lipeipi tse kolobisitsoeng ka tlas'a metsi tsa arc.Ho feto-fetoha ha eona ho fetela ho litsamaiso tsa qubu tsa liphaephe, ho fana ka botsitso bo ke keng ba lekanngoa le bokhoni ba ho jara mojaro.Ka matla a bona a phahameng le ho tšepahala, liphaephe tsa rona li feta litebello tsohle mabapi le ts'ebetso le nako e telele.
Ho Cangzhou Spiral Steel Pipe Group Co., Ltd., boitlamo ba rona ba bokhabane ha bo thekesele.Ka lilemo tsa boiphihlelo le boiphihlelo ba indasteri, re motlotlo ka ho fana ka lihlahisoa tsa boleng tse fihlelang maemo a holimo.Mehaho ea rona ea morao-rao ea ho etsa thepa le mekhoa e tiileng ea ho laola boleng e tiisa hore pipe e 'ngoe le e 'ngoe e kolobisitsoeng ea arc e entsoeng ka tšepe e tsoang fekthering ke ea boleng bo phahameng ka ho fetisisa.
Ka bokhuts'oane, peipi ea tšepe e kolobisitsoeng ka tlas'a metsi ea arc e tla fetola indasteri ea lipeipi tsa metsi a ka tlas'a lefatše.E na le kaho e phahameng, manonyeletso a sa lutleng le matla a phahameng, pipe ena ke khetho ea ho qetela bakeng sa morero ofe kapa ofe oa phetisetso ea metsi.Lumela hore Cangzhou Spiral Steel Pipe Group Co., Ltd. e ka u fa tharollo e molemohali ea ho fihlela litlhoko tsa hau.Eba le bokamoso ba lipeipi tsa metsi a ka tlas'a lefatše ka phala ea tšepe ea SSAW.
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