Morero oa rona e tla ba ho khotsofatsa bareki ba rona ka ho fana ka thuso ea khauta, theko e ntle haholo le boleng bo holimo bakeng sa Pipe ea Tšepe e nang le Bophara bo Phahameng ea API 5L Gr. B Bophara bo boholo ba Pipe ea Tšepe e Welded e Potolohileng Pipe e se nang Seamless Pipe ea LSAW, Re amohela ka tieo bareki ba kantle ho naha ho buisana le rona bakeng sa tšebelisano-'moho ea nako e telele hammoho le tsoelo-pele ea bobeli.
Morero oa rona e tla ba ho khotsofatsa bareki ba rona ka ho fana ka thuso ea khauta, theko e ntle haholo le boleng bo holimo bakeng saPipe ea Tšepe ea Khabone ea Chaena le Pipe ea Khabone, Re bile le boikarabelo bo boholo bakeng sa lintlha tsohle tse mabapi le odara ea bareki ba rona ho sa tsotelehe boleng ba waranti, litheko tse khotsofatsang, thomello e potlakileng, puisano e nakong, ho paka ka khotsofalo, lipehelo tsa tefo tse bonolo, lipehelo tse ntle ka ho fetisisa tsa thomello, tšebeletso ea kamora thekiso jj. Re fa bareki ba rona bohle tšebeletso ea ho emisa hang le botšepehi bo botle. Re sebetsa ka thata le bareki ba rona, basebetsi-'moho le rona, basebetsi ho etsa bokamoso bo betere.
Phaephe e laetsoeng tlas'a tlhaloso ena e sebelisetsoa tšebeletso ea khatello e phahameng mochesong oa sepakapaka le o tlase. Haholo-holo e sebelisoa bakeng sa phetiso ea oli le khase ea tlhaho.
ASTM A671Pipe ea Tšepe ea Khabone ea LSAW (JCOE)e tla ba di-weld tse tjheseditsweng habeli, tse keneletseng ka botlalo tse entsweng ho latela mekgwa le ke di-welder kapa basebetsi ba ho tjheseletsa ba nang le mangolo a tshwanelehang ho latela ASME Boiler le Khoutu ya Sejana sa Kgatello, Karolo ya IX.
Lihlopha tsohle tse seng tsa 10, 11, 12 le 13 li lokela ho phekoloa ka mocheso ka ontong e laoloang ho fihlela ho ±15℃ 'me li hlomelloe ka hydrometer e rekotang e le hore lirekoto tsa ho futhumatsa li fumanehe.
Tlhahiso: Liphaephe tsa tšepe tsa LSAW(JCOE)
Boholo: OD: 406~1500mm Boima: 6~40mm
Sehlopha: CB60, CB65, CC60, CC65, jj.
Bolelele: 12M kapa bolelele bo boletsoeng ha ho hlokahala.
Lipheletso: Qetello e sa Tšoarellang, Qetello e Beveled, e Kobehileng;
| Litlhoko tsa Khemik'halebakeng sa ASTM A672 B60/B70/C60/C65/C70LSAWPipe ea Tšepe ea Khabone | |||||||||||||
| Phaephe | Sehlopha | Sebopeho, % | |||||||||||
| C boholo | Mn | P boholo | S boholo | Si | Tse ling | ||||||||
| <=1in (25mm) | >1~2in (25~50mm) | >2~4in(50-100mm) | >4~8in (100~200mm) | >8in (200mm) | <=1/2in (12.5mm) | >1/2in (12.5mm) | |||||||
| CB | 60 | 0.24 | 0.21 | 0.29 | 0.31 | 0.31 | 0.98max | 0.035 | 0.035 | 0.13–0.45 | … | ||
| 65 | 0.28 | 0.31 | 0.33 | 0.33 | 0.33 | 0.98max | 0.035 | 0.035 | 0.13–0.45 | … | |||
| 70 | 0.31 | 0.33 | 0.35 | 0.35 | 0.35 | 1.30max | 0.035 | 0.035 | 0.13–0.45 | … | |||
| CC | 60 | 0.21 | 0.23 | 0.25 | 0.27 | 0.27 | 0.55–0.98 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | … | |
| 65 | 0.24 | 0.26 | 0.28 | 0.29 | 0.29 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | … | ||
| 70 | 0.27 | 0.28 | 0.30 | 0.31 | 0.31 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | … | ||
| Matlotlo a Mekaniki | |||||
| Sehlopha | |||||
|
| CB65 | CB70 | CC60 | CC65 | CC70 |
| Matla a ho tsikinyeha, bonyane: | |||||
| ksi | 65 | 70 | 60 | 65 | 70 |
| Mpa | 450 | 485 | 415 | 450 | 485 |
| Matla a tlhahiso, bonyane: | |||||
| ksi | 35 | 38 | 32 | 35 | 38 |
| MPa | 240 | 260 | 220 | 240 | 260 |
1. Bophara ba Kantle - Ho latela tekanyo e potolohang ± 0.5% ea bophara bo boletsoeng ba kantle.
2. Phapang e sa kgutleleng pakeng tsa bophara bo boholo le bo bonyenyane ba kantle.
3. Ho Lokisa-Ho sebedisa moedi o otlolohileng wa 10 ft (3m) o behilweng e le hore dipheletso ka bobedi di kopane le phaephe, 1/8 in. (3mm).
4. Botenya - Botenya bo bonyane ba lebota ntlheng efe kapa efe ka hara phaephe ha boa lokela ho feta 0.01 in. (0.3mm) tlasa botenya bo boletsweng.
5. Bolelele bo nang le lipheletso tse sa sebetsoang bo tla ba ka hare ho -0,+1/2 in. (-0,+13mm) ho tloha ho bo boletsoeng. Bolelele bo nang le lipheletso tse sebetsoang bo tla ba kamoo ho lumellanoeng kateng pakeng tsa moetsi le moreki.
Teko ea Khatello—Thepa ea ho thaepa e potolohang ea lenonyeletso le welded e tla fihlela litlhoko tse fokolang tsa matla a ho thaepa a thepa e boletsoeng ea poleiti.
Liteko tsa ho kobeha tse tataisoang ke weld tse kobehileng —Teko ea ho kobeha e tla amoheleha haeba ho se na mapetso kapa likoli tse ling tse fetang 1/8 in. (3mm) ka lehlakoreng lefe kapa lefe tse teng tšepeng ea weld kapa pakeng tsa weld le tšepe ea motheo ka mor'a ho kobeha.
Tlhahlobo ea Radio-graphic - Bolelele bo felletseng ba weld e 'ngoe le e 'ngoe ea sehlopha sa X1 le X2 bo tla hlahlojoa ka radiographic ho latela le ho fihlela litlhoko tsa ASME Boiler le Pressure Vessel Code, Karolo ea bosupa, serapa sa UW-51.
Lebitso kapa letshwao la moetsi
Nomoro ea tlhaloso (selemo kapa letsatsi la ho hlokahala)
Boholo (OD, Boima, bolelele)
Sehlopha(A kapa B)
Mofuta oa phaephe (F, E, kapa S)
Khatello ea teko (phaephe ea tšepe e se nang seamless feela)
Nomoro ea Mocheso
Tlhahisoleseding efe kapa efe e eketsehileng e boletsweng odareng ya theko.
Bongata (maoto, limithara, kapa palo ea bolelele)
Lebitso la thepa (phala ea tšepe, pompo ea motlakase e kopantsoeng)
Nomoro ea litlhaloso
Litlhaloso tsa sehlopha le tsa sehlopha
Boholo (bophara ba kantle kapa kahare, botenya ba lebota bo tloaelehileng kapa bo fokolang)
Bolelele (bo itseng kapa bo sa reroang)
Qetella qetellong
Mekhoa ea ho reka
Litlhoko tse ling, haeba li le teng.
Phaephe e se nang letho kapa e Ntšo / Sekoahelo sa Varnish / Sekoahelo sa Epoxy / Sekoahelo sa 3PE (ho latela litlhoko tsa moreki);
Ka bolokolohi;
Lipheletso ka bobeli li na le litšireletso tsa qetello;
Qetello e se nang letho, pheletso ea bevel (2″ le ho feta e nang le lipheletso tsa bevel, tekanyo: 30~35°), e etselitsoeng uena;
Ho tšoaea. Morero oa rona e tla ba ho khotsofatsa bareki ba rona ka ho fana ka thuso ea khauta, theko e ntle haholo le boleng bo holimo bakeng sa Pipe ea Tšepe e nang le Bophara bo Phahameng ea API ea 5L Gr. B Bophara bo boholo ba Pipe ea Tšepe e Welded e nang le Seamless Pipe ea LSAW, Re amohela ka tieo bareki ba kantle ho naha ho buisana le rona bakeng sa tšebelisano-'moho ea nako e telele hammoho le tsoelo-pele ea bobeli.
Tlhaloso e phahamengPipe ea Tšepe ea Khabone ea Chaena le Pipe ea Khabone, Re bile le boikarabelo bo boholo bakeng sa lintlha tsohle tse mabapi le odara ea bareki ba rona ho sa tsotelehe boleng ba waranti, litheko tse khotsofatsang, thomello e potlakileng, puisano e nakong, ho paka ka khotsofalo, lipehelo tsa tefo tse bonolo, lipehelo tse ntle ka ho fetisisa tsa thomello, tšebeletso ea kamora thekiso jj. Re fa bareki ba rona bohle tšebeletso ea ho emisa hang le botšepehi bo botle. Re sebetsa ka thata le bareki ba rona, basebetsi-'moho le rona, basebetsi ho etsa bokamoso bo betere.
