Ho netefatsa ho sebetsa hantle le ho tšoarella ha liphaephe tse kholo tsa metsi tse nang le liphaephe tse cheselitsoeng ka Spiral
Tsebisa:
Lipeipi tse ka sehloohong tsa metsi ke bahale ba sa tsejoeng ba fanang ka phepelo ea metsi ea bohlokoa metseng ea rona.Marangrang ana a ka tlas'a lefatše a phetha karolo ea bohlokoa ho netefatsa phallo e sa sitisoeng ea metsi ho ea malapeng a rona, likhoebong le liindastering.Ha tlhoko e ntse e hola, ho bohlokoa ho sebelisa lisebelisoa tse sebetsang hantle le tse tšoarellang bakeng sa liphaephe tsena.Ntho e 'ngoe e ntseng e hapa tlhokomelo e ngata ke spiral welded pipe.Ho blog ena, re tla shebisisa bohlokoa ba lipeipi tse cheselitsoeng ka spiral lipeiping tse kholo tsa phepelo ea metsi le ho buisana ka melemo ea tsona.
Ithute ka liphaephe tse cheselitsoeng ka spiral:
Pele re kenella ka melemo easpiral welded lipeipi, a re qaleng ka ho utloisisa khopolo ea lipeipi tse cheselitsoeng ka spiral.Ho fapana le liphaephe tsa khale tse otlolohileng, liphaephe tse cheselitsoeng ka spiral li entsoe ka ho bilika le ho tšubuhlella litšepe ka sebōpeho se bilikang.Ts'ebetso ena e ikhethang ea tlhahiso e fa phala matla a tlhaho, e etsa hore e be e loketseng bakeng sa lits'ebetso tse ka tlas'a lefatše tse kang liphaephe tsa metsi.
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 | - | - |
Melemo ea lipeipi tse cheselitsoeng ka spiral liphaepheng tse kholo tsa phepelo ea metsi:
1. Matla a eketsehileng le ho tšoarella:
Theknoloji ea spiral welding e sebelisoang liphaepheng tsena e etsa hore ho be le mohaho o tsitsitseng, o se nang moeli o nang le matla a phahameng le ho hanyetsa likhatello tse phahameng tsa ka hare le tsa ka ntle.Ho phaella moo, li-spiral seams tse tiileng li matlafatsa botšepehi ba phala, ho fokotsa kotsi ea ho lutla kapa ho phatloha.Ho tšoarella hona ho netefatsa bophelo bo bolelele ba lits'ebeletso tsa lipompo tsa hau tsa metsi, ho fokotsa litšenyehelo tsa tlhokomelo le tse ling.
2. Corrosion resistance:
Mehala e meholo ea metsi e pepesehetse mefuta e fapaneng ea maemo a tikoloho, ho kenyelletsa mongobo, lik'hemik'hale le mobu.Liphaephe tse cheselitsoeng ka spiral hangata li etsoa ka thepa e hananang le ho bola joalo ka tšepe e sa hloekang, e netefatsang tšireletso e ntle khahlano le mafome, khoholeho le mefuta e meng ea ho bola.Ho hanyetsa hona ho lelefatsa bophelo ba liphaephe, ho thibela ho senyeha le ho boloka boleng ba metsi.
3. Ho boloka litšenyehelo:
Ho tsetela ho spiral welded pipes bakeng saphala e kholo ea metsise ka ipaka e le khetho e bolokang chelete ka nako e telele.Sebopeho sa eona se tiileng le ho hanyetsa ha kutu ho fokotsa makhetlo a ho lokisoa le ho nkeloa sebaka, kahoo ho boloka litšenyehelo tse kholo tsa tlhokomelo.Ho feta moo, li bonolo ho li kenya, li bobebe, 'me li fokotsa tlhoko ea litšehetso tse eketsehileng, e leng se etsang hore e be khetho e bonolo le e theko e tlaase bakeng sa merero e meholo ea lipeipi.
4. Ho feto-fetoha ha maemo le ho feto-fetoha ha maemo:
Spiral welded pipe e fana ka boemo bo phahameng ba ho feto-fetoha ha maemo le ho feto-fetoha ha mekhoa ea eona.Li ka hlahisoa ka li-diameter tse fapaneng, bolelele le botenya, ho li lumella hore li tloaelehe ho fihlela litlhoko tse khethehileng tsa morero.Ho ikamahanya le maemo hona ho li lumella ho ikamahanya le libaka tse fapaneng le maemo a fapaneng a fatše, e leng se etsang hore e be khetho e babatsehang bakeng sa lipeipi tse kholo tsa phepelo ea metsi metseng ea litoropo le ea mahaeng.
5. Ho boloka tikoloho:
Ntle le melemo ea bona ea ts'ebetso, liphaephe tse cheselitsoeng ka spiral le tsona li kenya letsoho molemong oa ho boloka tikoloho.Lisebelisoa tse sebelisitsoeng mohahong oa eona li ka sebelisoa hape, ho fokotsa khabone ka kakaretso.Ho feta moo, moralo oa eona o se nang sekoli o fokotsa tahlehelo ea metsi ka lebaka la ho lutla, kahoo e sireletsa mohloli ona oa bohlokoa.
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. |
Ha re phethela:
Ho etsa bonnete ba ho sebetsa hantle le ho tšoarella ha lipeipi tsa hau tse kholo tsa metsi ho bohlokoa ho netefatsa phepelo e tšepahalang ea metsi.Tšebeliso ea peipi e cheselitsoeng ka spiral ho tsenaphala melae fana ka melemo e mengata, ho kenyelletsa matla a eketsehileng, ho hanyetsa ho bola, ho boloka litšenyehelo, ho fetoha habonolo le ho tšoarella ha tikoloho.Ha re ntse re sebeletsa ho haha meralo ea motheo ea metsi e tsitsitseng le e sebetsang hantle, ho tsetela ho litheknoloji tse tsoetseng pele joalo ka spiral welded pipe hoa hlokahala.