Ntlafatso ea Ts'ebetso ea Meralo ka S355 JR Spiral Steel Pipe: Phetoho ea Papali bakeng sa Kaho ea Lipeipi tsa Khase ea Sejoale-joale.
Selelekela:
Tlhokahalo e ntseng e eketseha ea matla a sebetsang hantle le a ka tšeptjoang e fetohile taba ea bohlokoa ho mebuso le liindasteri lefatšeng ka bophara.Kaha liphaephe tsa khase ea tlhaho ke methapo ea lipalangoang tsa khase ea tlhaho, khetho ea thepa ea liphaephe e bohlokoa ho netefatsa phepelo ea matla e sa tsitsang le e tsitsitseng.Ho blog ena, re hlahloba kamoo S355 JR spiral steel pipe, e tsejoang hape e lehelical seam pipe, e fetola kaho ea lipeipi tsa khase ea tlhaho, ho ntlafatsa polokeho, ho tšoarella le ho sebetsa hantle ha lipalangoang.
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 | - | - |
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. |
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
1. Utloisisa phala ea tšepe ea S355 JR:
S355 JR phala ea tšepe ea spirale entsoe ka tšepe ea boemo bo holimo ea S355JR 'me ke phala ea seam ea spiral e etselitsoeng ka ho khetheha lits'ebetso tsa kaho ea lipeipi tsa khase.Sebopeho sa seam sa spiral se fa phaepe matla a matla le ho tenyetseha, e etsa hore e be e loketseng ho tsamaisa le ho tsamaisa khase ea tlhaho libakeng tse hole.Ho tiea ha eona ho tiisa ho hanyetsa lintho tse ka ntle tse kang ho sisinyeha ha lefatše, ts'ebetso ea litšisinyeho tsa lefatše le ho bola ha mobu, ka hona ho netefatsa nako e telele le botšepehi ba tsamaiso ea lipeipi tsa khase ea tlhaho.
2. Tšireletseho pele:
Botšepehi le polokeho ea lipeipi tsa khase ea tlhaho li bohlokoa molemong oa boiketlo ba sechaba le tikoloho.Matla a phahameng le ho tšoarella ha phala ea tšepe ea spiral S355 JR e phetha karolo ea bohlokoa ho fokotsa kotsi ea ho lutla, ho robeha le likotsi tse latelang.Ka lebaka la moetso oa eona o pota-potileng seam, sebopeho sa phala se lula se tiile esita le libakeng tse thata kapa maemo a leholimo a feteletseng.Ho kenyelletsa liphaephe tsena tsamaisong ea lipeipi tsa khase ea tlhaho ho fokotsa haholo menyetla ea likotsi tsa tikoloho le ho lumella ho phalla ho sa sitisoeng ha khase ea tlhaho ho felisa basebelisi.
3. Ho tšoarella ha litšebeletso tsa motheo:
Ho tšoarella ho hoholo ha phala ea tšepe ea S355 JR ho tiisa hore lisebelisoa tsa hau tsa lipeipi tsa khase li phela nako e telele, ho boloka litšenyehelo le litšenyehelo tsa ho nchafatsa nako.Pipe e entsoe ka tšepe ea boleng bo holimo ea S355JR, e nang le khanyetso e ntle ea kutu, e hanyetsanang le tšusumetso le khanyetso ea ho roala.Khanyetso ena e fokotsa litokiso le tse nchafatsoang, ka hona e fokotsa tšusumetso e akaretsang ea tikoloho le khabone e amanang le tlhokomelo le kaho bocha.Potoloho e atolositsoeng ea bophelo ba phala ea tšepe ea S355 JR e kenya letsoho ka kotloloho tsamaisong ea lipeipi tsa khase tse tsitsitseng haholoanyane le tse baballang tikoloho.
4. Ntlafatsa katleho ea lipalangoang:
Bokhoni ba ho tsamaisa khase ea tlhaho bo kenyelletsa ho fokotsa tahlehelo ea matla le ho eketsa matla a phetiso.Sebopeho sa spiral seam sa S355 JR spiral steel pipe se lumella ho phalla ha moea hantle, ho sa khaotseng, ho fokotsa tahlehelo ea likhohlano ha ho ntse ho eketsa matla a lipalangoang.Pipe e na le bokaholimo bo ts'oanang bo kahare bo netefatsang matla a phallo e ntlafalitsoeng, ka hona ho fokotsa tšebeliso ea matla le ho eketsa ts'ebetso.Ho feta moo, boemo bo bobebe ba phala bo etsa hore ho sebetsanoa, ho tsamaisa le ho kenya ho laolehe haholoanyane, ho boloka nako le litšenyehelo nakong ea kaho.
Qetello:
Ho kenyelletsa phala ea tšepe ea S355 JR ka har'a kaho ea lipeipi tsa khase ea tlhaho ho netefalitsoe ho ntlafatsa ts'ebetso ea meaho.Matla a ikhethang a phaipi ena, ho tšoarella ha eona le likarolo tsa polokeho li thusa ho phalla ka mokhoa o se nang moeli oa khase ea tlhaho, ho fokotsa kotsi ea likotsi, likotsi tsa tikoloho le litšenyehelo tsa tlhokomelo.Ka ho ntlafatsa katleho ea lipalangoang le ho fokotsa tahlehelo ea matla, lipeipi li bapala karolo ea bohlokoa ho khotsofatsa tlhoko e ntseng e hola ea matla ha e ntse e amohela mekhoa e tšoarellang.Ho tsetela ho litharollo tse ncha tse kang S355 JR spiral steel pipe ho bohlokoa bakeng sa mebuso, indasteri le sechaba ho netefatsa phepelo ea matla e tšepahalang, e sebetsang hantle le ho betla tsela bakeng sa bokamoso bo hloekileng ba matla.