Ikopanye le rona bakeng sa Litlhaloso le Litekanyo tsa Liphaephe tsa Tšepe tsa Morao-rao.
Liphaephe tsa Tšepe tsa ASTM A252 Gr.1/2/3 – Kaho le Metsing
| Maemo a Boitsebiso | ASTM A252 Kereiti ea 1, Kereiti ea 2, Kereiti ea 3 |
| Matla a Tekanyo | ≥207 MPa |
| Litekanyo / Boholo | Bophara ba Kantle: 219 mm – 3000 mm (e ka fetoloa) |
| Botenya ba lebota | 6 mm – 40 mm (e ka fetoloang) |
| Bolelele | Setoko sa 6 m & 12 m; Bolelele bo Ikhethileng boa fumaneha |
| Mofuta oa Phaephe / Ho tjheseletsa | SSAW (Sekoahelo se koahetsoeng ka Arc se Welded) / LSAW (Longitudinal SAW / EFW) |
| Mamello ea Tekanyo | E lumellana le ASTM A252 |
| Setifikeiti sa Boleng | Tlaleho ea Tlhahlobo ea Mokha oa Boraro oa ISO 9001; SGS / BV ea Fumaneha |
| Qetello ea Bokaholimo | Sekoahelo se Setšo, se Chesang ka Galvanized, se Pentiloeng, kapa se Ikhethileng |
| Likopo | Ho aha metheo, marokho, likou, mapolasi a moea a leoatleng le a lebōpong la leoatle, merero e meholo ea boenjiniere ba sechaba |
Lintlha tsa Tekheniki
Liqubu tsa Liphaephe tsa Tšepe tsa ASTM A252Sebopeho sa Lik'hemik'hale
| Karolo | Dikahare (%) |
| Khabone (C) | 0.26 max |
| Manganese (Mn) | 0.85 – 1.60 |
| Fosforase (P) | 0.04 max |
| Sebabole (S) | 0.05 max |
| Silicone (Si) | 0.10 – 0.35 |
| Koporo (Cu) | 0.20 – 0.30 (ha ho hlokahale bakeng sa ho hanyetsa mafome) |
Liqubu tsa Liphaephe tsa Tšepe tsa ASTM A252Thepa ea Mechini
| Thepa | Tlhokahalo / Boleng |
| Matla a Tekanyo (Bonyane) | 207 MPa (30 ksi) |
| Matla a tšepe | 345 – 455 MPa (50-66 ksi) |
| Ho lelefatsa (ka 200 mm) | ≥20% |
| Teko ea Tšusumetso (Charpy V-Notch) | Ha se tlamo bakeng sa boholo bohle; boikhethelo bakeng sa merero ea mocheso o tlase kapa ea leoatle |
| Bothata | Brinell e tloaelehileng: 110–180 HB |
| Thepa | Sehlopha sa 1 | Sehlopha sa 2 | Sehlopha sa 3 |
| Matla a Tlase a Tekanyo | 30,000 psi (207 MPa) | 35,000 psi (241 MPa) | 45,000 psi (310 MPa) |
| Matla a Tensile a fokolang | 50,000 psi (345 MPa) | 60,000 psi (415 MPa) | 66,000 psi (455 MPa) |
| Tekanyo e fokolang (gauge ea lisenthimithara tse 2) | 18% | 14% | 20% |
Liphaephe tsa ASTM A252Boholo
| Litlhaloso tse Tloaelehileng tsa ho Romela Linaheng Tse Ling (Kereiti ea 3 e Tummeng Haholo) | |||||
| NPS | OD (mm) | Botenya ba lebota | Boima (kg/m2) | Kemiso e Tloaelehileng | Kopo ea mantlha |
| 16" | 406.4 | 0.375" (9.52mm) | 92.5 | STD | Li-terminal tsa kou, kaho e akaretsang |
| 16" | 406.4 | 0.500" (12.70mm) | 121.8 | 40 | Metheo ea moea ea lebopong la leoatle, lipier tsa borokho |
| 18" | 457 | 0.500" (12.70mm) | 137.4 | 40 | Meaho e boima ea indasteri, metheo e tebileng |
| 24" | 609.6 | 0.500" (12.70mm) | 183.2 | 40 | Liqubu tse kholo tse bophara, meaho ea leoatle |
| 24" | 609.6 | 0.750" (19.05mm) | 271.8 | XS | Lisebelisoa tsa mojaro o boima haholo, ho khanna ka lefika |
| 30" | 762 | 0.625" (15.88mm) | 287.5 | 40 | Li-platform tsa kantle ho naha, metheo ea terminal ea LNG |
| 36" | 914.4 | 0.750" (19.05mm) | 392.3 | 40 | Merero e meholo, marokho a tšelang leoatle |
| Mokhoa oa Tlhahiso khahlanong le Bokhoni ba Boholo | |||||
| Tshebetso | OD e phahameng ka ho fetisisa (mm) | Boima bo phahameng (mm) | Bolelele ba Bolelele (m) | Ho Bokgoni ba Litšenyehelo | Molemo ka ho Fetisisa Bakeng sa |
| SSAW (Spirale) | 3200 | 30 | 6-18 | E phahameng ka ho fetisisa | Bophara bo boholo, botenya bo mahareng ba lebota (16"-48") |
| LSAW (JCOE) | 1422 | 50 | 6-15 | Holimo | Lebota le teteaneng haholo (≥1.0"), litlhoko tse matla haholo |
| ERW | 660 | 25 | 6-12 | Mahareng | Bophara bo bonyenyane ho isa ho bo mahareng, botenya bo tloaelehileng ba lebota |
| Ha e na seamless | 1016 | 100 | 6-12 | E tlase ka ho fetisisa | Litšebeliso tse bohlokoa, libaka tse senyang |
Tobetsa Konopo e ka ho le letona
1. Metheo ea Lebota la Kamore e ka Tlase:Kaho ea ka tlas'a lefatše bakeng sa mehaho e melelele, lifeme, matlo a polokelo, mehaho ea khoebo le ea bolulo. Metheo ea liqubu (mefuta eohle ea kaho ea meaho).
2. Metheo ea Liqubu tsa Borokho:Metheo e behang bakeng sa marokho a litsela tse kholo, marokho a terene, le litsela tsa litoropo. Metheo e behang bakeng sa marokho a noka, letša le leoatle.
3. Kaho ea Kou:Motheo oa ho jara mojaro bakeng sa liteishene tsa kou, mabala a likepe le lipoleiti tsa kou. Litšebeletso tsa ho tlisa thepa tse boima le thepa ea kou.
4. Merero ea Matla a Moea le Boenjiniere ba Likepe tsa Leoatle:Metheo ea liturbine tsa moea tse tsoang lebōpong la leoatle. Moralo oa tšehetso bakeng sa liforomo tsa leoatle, liphaephe tsa leoatle, liphaephe tsa leoatle, mabota a leoatle le ka nako e ts'oanang Malapeng a bolulo Khanyetso ea maqhubu, khanyetso ea maqhubu le ts'enyeho ea leoatle.
5. Boenjiniere ba Meaho bo Boholo:Metheo e boima e nang le liqubu tse bophara bo boholo bakeng sa mesebetsi e meholo ea boenjiniere ba sechaba (matamo, liteishene tsa terene e tsamaeang ka tlas'a lefatše, le lithanele). Tšehetso bakeng sa mechini ea indasteri le meroalo ea meaho.
1) Ofisi ea Lekala - tšehetso ea batho ba buang Sepanishe, thuso ea ho tlosa thepa ea lekgetho, jj.
2) Ho na le lithane tse fetang 5,000 tsa setoko, ka mefuta e fapaneng ea boholo
3) E hlahlobiloe ke mekhatlo e nang le matla a ho laela e kang CCIC, SGS, BV, le TUV, ka liphutheloana tse tloaelehileng tse loketseng ho sesa leoatleng
Sephutheloana se le seng:Lithapo tsa tšepe bakeng sa ho sebetsana habonolo Liboloko tsa lehong kapa dunnage li beoa pakeng tsa li-stack ho thibela ho fetoha ha litho nakong ea ts'ebetso ea ho romela. Kalafo ea bokaholimo (boikhethelo): Pente e ntšo, oli e thibelang mafome, filimi ea polasetiki. Liqubu tsa galvanized li ka boela tsa phutheloa ka filimi ea polasetiki e sireletsang ea nakoana ho thibela ho ngoapa bokaholimo. Sephutheloana se ikhethileng sea fumaneha.
2 Tlhahisoleseding ea Thomello:Bolelele bo Tloaelehileng bo Setokong: 6m, 12m. Bolelele: bo tloaelehileng le bo ikhethileng. Li tla le Terene ea Leoatle le Tšebeliso ea Tsela E loketse lipalangoang tsa likepe, tsa terene kapa tsa tsela, hape li matla ka ho lekaneng ha li sebelisoa tseleng. Nako ea ho tlisoa ke matsatsi a 15-30 kamora ho fumana tefo, ho latela bongata le litlhaloso. E sebetsa ho kantle ho naha, ka tokomane e felletseng (Setifikeiti sa Teko, Lethathamo la ho Paka, Bili ea Lipalangoang).
3 Mekhoa ea ho sebetsana le mathata:U se ke ua sebelisa li-sling kapa lihakisi tse se nang li-pad ho kopana ka ho toba le bokaholimo ba phaephe e leng se ka bakang phetoho ea phaephe. Boloka sebakeng se pholileng, se omileng le se nang le moea o kenang hantle. Ho qoba mafome pele u kenya. Thepa e kholo le e boima e tlameha ho latela melao ea lehae ea ho romela thepa.
P1: Ke engPhaephe ea tšepe ea ASTM A252?
Ke liphaephe tsa tšepe tse sebelisoang bakeng sa ho cheka, metheo, marokho, libaka tsa ho koalla likepe le libaka tsa mosebetsi oa kaho.
P2: Ke lintlha life tse teng setokong?
Sehlopha sa 1, 2, le 3 – Sehlopha sa 1 se sebetsa bakeng sa ho kenya thepa ka tsela e bobebe, Sehlopha sa 2 se sebelisoa bakeng sa moaho o akaretsang, Sehlopha sa 3 se omisa ka thata.
P3: U na le boholo bofe?
Bophara: 4"–24" (114–610mm)
Botenya ba lebota: 5–25mm
Bolelele: 6–12m kapa ho latela litlhoko tsa hau
P4: Na liqubu tsena li hloekisitsoe ka pente e benyang?
E - E kentswe ka galvanized e chesang, e manehilwe ka epoxy kapa e pentilwe bakeng sa tshireletso ya tshenyo.
P5: Ke mofuta ofe oa setifikeiti o fanoang?
Liqubu tsohle tse kenyellelitsoeng tlhahlobo ea MTC ea motho oa boraro lia fumaneha.
P6: Liqubu li romelloa joang?
E tlamiloe ka maqhama a tšepe
Ho tlisoa ka bongata kapa liphalete tsa lehong.
Ka likatiba tsa ho qetela le kalafo ea ho thibela mafome
P7: Na nka fumana boholo bo ikhethileng?
E, re ka u fa bophara, bolelele le limaraka tse ikhethileng bakeng sa projeke ea hau.
P8: Mokhoa oa ho khetha sehlopha se nepahetseng?
Ho ipapisitsoe le bokgoni ba ho jara, boemo ba mobu le tshebediso ya kaho. Tshehetso ho tswa ho boenjiniere.
P9: Nako e tloaelehileng ea ho tlisa thepa ke efe?
Matsatsi a 15-30, ho latela bongata le mokhoa oa ho iketsetsa.
Lintlha tsa ho ikopanya
Aterese
Sebaka sa indasteri ea nts'etsopele ea Kangsheng,
Setereke sa Wuqing, toropo ea Tianjin, China.
Imeile
Mohala
Lihora
Mantaha-Sontaha: Tšebeletso ea lihora tse 24
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