DIN 2391peipi ea tšepe e se nang seamless ke phala ea tšepe e nepahetseng e phahameng e sebetsoang ka ho bilika ho batang kapa ho toroea ho batang;Lebitso le felletseng: Peipi ea tšepe e batang kapa e batang e huloang ka nepo e se nang seamless.Ka lebaka la melemo ea ho se be le lera la oxide leboteng le kahare le kantle la liphaephe tsa tšepe tse seamless, ha ho na ho lutla tlas'a khatello e phahameng, ho nepahala ho phahameng, boreleli bo phahameng, ha ho na deformation nakong ea ho kobeha ho batang, ho phatloha, ho batalla, 'me ha ho mapetsong, li sebelisoa haholo. ho hlahisa lihlahisoa bakeng sa likaroloana tsa moea kapa tsa haeteroliki.
DIN 2391 Mokhahlelo oa phala ea tšepe le sebopeho sa lik'hemik'hale
| Kereiti ea tšepe | Sebopeho sa lik'hemik'hale (%) | ||||
| Lebitso la tšepe | C max | Si max | Mn | P max | S max |
| St 35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
DIN 2391 phala ea tšepe Mechanical thepa
| Tšepe Kereiti | BK | BKW | BKS | GBK | NBK | |||||||
| Rm N/mm min | A% min | Rm N/mm min | A% min | Rm N/mm min | ReH N/mm min | A% min | Rm N/mm min | A% min | Rm N/mm min | ReH N/mm min | A% min | |
| St35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
| St45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 255 | 21 |
| St52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490-630 | 355 | 22 |
Boemo ba ho fana ka Din2391
| Khethollo | Letšoao | Tlhaloso |
| Ho bata ho felile (ka thata) | BK(+C) | Li-tubes ha li kenelle kalafo ea mocheso ka mor'a hore ho be le serame sa ho qetela, 'me ka hona, li na le khanyetso e phahameng ea ho hanyetsa deformation |
| Ho bata ho felile (Bonolo) | BKW | Phekolo ea ho qetela ea mocheso e lateloa ke setšoantšo se batang se kenyelletsang deformation e fokolang.Ts'ebetso e tsoelang pele e nepahetseng e lumella boemo bo itseng ba ho bopa ha serame (mohlala, ho khumama, ho holisa) |
| (+LC) | ||
| Mohatsela o felile le khatello ea maikutlo | BKS(+SR) | Phekolo ea mocheso e sebelisoa ho latela mokhoa oa ho qetela oa ho etsa serame.Ho ipapisitsoe le maemo a nepahetseng a ts'ebetso, keketseho ea likhatello tse setseng tse amehang li thusa ho theha le ho sebetsa ho isa tekanyong e itseng. |
| Annealed | GBK(+A) | Mokhoa oa ho qetela oa ho etsa Mohatsela o lateloa ke ho koaleha sebakeng se laoloang. |
| Tloaelehileng | NBK(+N) | Mokhoa oa ho qetela o batang oa ho theha o lateloa ke ho anneal ka holimo ho ntlha ea phetoho e ka holimo sebakeng se laoloang. |
Hlahisa Mokhoa le melemo
Lintho tse entsoeng ka tšepe ea tšepe, ka mor'a ho taka ka mokhoa o nepahetseng, phekolo ea mocheso e se nang oxidation le e khanyang (NBK state), tlhahlobo e sa senyeheng, khatello e phahameng ea khatello le ho khethoa ha acid ea lesoba le ka hare la phala ea tšepe, phekolo ea oli ea anti rust bakeng sa marako a ka hare le a ka ntle. ea phala ea tšepe, le phekolo ea thibelo ea lerōle bakeng sa lipheletsong tse peli tsa sekoahelo.
1. Marako a ka hare le a ka ntle a phala ea tšepe ha a na lera la oxide;
2.Withstand khatello e phahameng, ha ho ho lutla, ho nepahala ho phahameng, boreleli bo phahameng;
3. Ho kobeha ho batang ntle le deformation, ho atolosa, ho batalla ntle le mapetsong;
4. Phekolo ea thibelo ea mafome holim'a metsi.
DIN 2391 seamless tšepe pipe Kopo
Sistimi ea Hydraulic, mochini o bopang ente, mochini oa hydraulic, kaho ea likepe, mochini oa EVA o foaming hydraulic, phala ea tšepe bakeng sa mochini o nepahetseng oa hydraulic cuting, mochini o etsang lieta, lisebelisoa tsa hydraulic, phala ea oli e hatellehang haholo, phala ea oli ea hydraulic, motsoako oa ferrule, motsoako oa phala ea tšepe, mochini oa rabara. , mechini ea ho qhekella, mechini ea ho lahla, mechini ea boenjiniere, phala e phahameng ea khatello ea tšepe bakeng sa teraka ea pompo ea konkreite, koloi ea likhoerekhoere, indasteri ea likoloi, indasteri ea kaho ea likepe.Enjene ea diesel, enjene e tukang ka hare, compressor ea moea, mechini ea kaho, metjhini ea temo le ea meru, joalo-joalo, e nang le manonyeletso a lipeipi tsa tšepe, manonyeletso a matsoho le lipeipi tsa oli tse hatellang haholo.
Nako ea poso: May-18-2023