Sepheo sa rona e tla ba ho phethahatsa bareki ba rona ka ho fana ka thuso ea khauta, theko e ntle le boleng bo phahameng bakeng sa Tlhaloso e Phahameng ea API 5L Gr.B Large Diameter Spiral Welded Steel Pipe Seamless Pipe LSAW Pipe, Re amohela ka tieo bareki ba kantle ho naha ho buisana ka tšebelisano-'moho ea nako e telele hammoho le tsoelo-pele.
Sepheo sa rona e tla ba ho phethahatsa bareki ba rona ka ho fana ka thuso ea khauta, theko e ntle haholo le boleng bo holimo baChina Carbon Steel Pipe le Carbon Pipe, Re 'nile ra ikarabella haholo bakeng sa lintlha tsohle tse mabapi le taelo ea bareki ba rona ho sa tsotellehe boleng ba tiisetso, litheko tse khotsofatsang, ho fana ka potlako, puisano ka nako, ho paka ka khotsofalo, lipehelo tse bonolo tsa ho lefa, maemo a molemo ka ho fetisisa a thomello, ka mor'a tšebeletso ea thekiso joalo-joalo Re fana ka sebaka se le seng. tšebeletso le ho tšepahala ka ho fetisisa ho bareki ba rona bohle.Re sebetsa ka thata le bareki ba rona, basebetsi mmoho, basebetsi ho etsa bokamoso bo betere.
Pipe e laetsoeng tlas'a tlhaloso ena e sebelisoa bakeng sa tšebeletso ea khatello e phahameng moeeng le mocheso o tlase.Haholo e sebelisoa bakeng sa phetiso ea oli le khase ea tlhaho.
ASTM A671LSAW(JCOE) Pipe ea Tšepe ea Khabonee tla ba li-welded tse peli, tse kenang ka ho feletseng tse entsoeng ho latela mekhoa le ke li-welders kapa li-welding operators tse tšoanelehang ho latela ASME Boiler le khatello ea Vessel Code, Karolo ea IX.
Lihlopha tsohle tse ling ntle le 10, 11, 12 le 13 li tla phekoloa mocheso ka sebōping se laoloang ho ± 15 ℃ 'me li be le hydrometer ea ho rekota hore litlaleho tsa ho futhumatsa li fumanehe.
Moetso: LSAW(JCOE) Lipeipi tsa tšepe
Boholo: OD: 406 ~ 1500mm WT: 6 ~ 40mm
Kereiti: CB60, CB65, CC60, CC65, joalo-joalo.
Bolelele: 12M kapa bolelele bo boletsoeng kamoo ho hlokahalang.
Qetello: Plain End, Beveled End, Grooved;
| Litlhoko tsa Lik'hemik'halebakeng sa ASTM A672 B60/B70/C60/C65/C70LSAWPipe ea tšepe ea carbon | |||||||||||||
| Pipe | Kereiti | Moetso, % | |||||||||||
| C max | Mn | P max | S max | Si | Ba bang | ||||||||
| <=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 | 0.98 max | 0.035 | 0.035 | 0.13–0.45 | … | ||
| 65 | 0.28 | 0.31 | 0.33 | 0.33 | 0.33 | 0.98 max | 0.035 | 0.035 | 0.13–0.45 | … | |||
| 70 | 0.31 | 0.33 | 0.35 | 0.35 | 0.35 | 1.30 max | 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 | … | ||
| Thepa ea Mechini | |||||
| Kereiti | |||||
|
| CB65 | CB70 | CC60 | CC65 | CC70 |
| Matla a tsitsitseng, min: | |||||
| ksi | 65 | 70 | 60 | 65 | 70 |
| Mpa | 450 | 485 | 415 | 450 | 485 |
| Ho hlahisa matla, min: | |||||
| ksi | 35 | 38 | 32 | 35 | 38 |
| MPa | 240 | 260 | 220 | 240 | 260 |
1. Diameter e ka Ntle-Ho ipapisitsoe le tekanyo e potolohileng ± 0.5% ea bophara bo boletsoeng ka ntle.
2. Out-of-Roundness-Phapang pakeng tsa boholo le tse nyenyane ka ntle didiameter.
3. Ho tsamaisana-Ho sebelisa 10 ft (3m) ho otloloha ho behoa e le hore lipheletsong ka bobeli li kopane le phala, 1/8 ka hare (3mm).
4. Botenya-Botenya bo fokolang ba lebota sebakeng leha e le sefe sa phala ha boa lokela ho feta 0.01 in. (0.3mm) tlas'a botenya bo boletsoeng ka lebitso.
5. Bolelele bo nang le lipheletso tse sa sebetsanoang bo tla ba ka hare ho -0+1/2 in. (-0+13mm) ho tse boletsoeng.Bolelele bo nang le lipheletso tse entsoeng ka mochini bo tla ba joalo ka ha ho lumellanoe pakeng tsa moetsi le moreki.
Teko ea Tension - Thepa e fapaneng ea lenonyeletso le cheselitsoeng e tla fihlela litlhoko tse tlase bakeng sa matla a ho qetela a matla a poleiti e boletsoeng.
Transverse-tataisa-weld-bent liteko -The koba teko e tla amoheleha haeba ho se mapetsong kapa likoli tse ling tse fetang 1/8 in. (3mm) ka tsela efe kapa efe ba teng ka tšepe tjheseletsa kapa pakeng tsa tjheseletsa le tšepe botlaaseng ka mor'a ho kobeha.
Radio-graphic Examination-Bolelele bo felletseng ba weld ka '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 letšoao la moetsi
Nomoro e khethehileng (letsatsi la selemo kapa le hlokahalang)
Boholo (OD, WT, bolelele)
Kereiti (A kapa B)
Mofuta oa peipi(F, E, kapa S)
Khatello ea teko (peipi ea tšepe e se nang seam feela)
Nomoro ea Mocheso
Tlhahisoleseding efe kapa efe e eketsehileng e boletsoeng ho odara ea theko.
Bongata (maoto, limithara, kapa palo ea bolelele)
Lebitso la thepa (peipi ea tšepe, fusion ea motlakase e cheselitsoeng)
Nomoro ea tlhaloso
Likhetho tsa sehlopha le tsa sehlopha
Boholo (ka ntle kapa ka hare bophara, botenya bo tloaelehileng kapa bo fokolang)
Bolelele (bo khethehileng kapa bo sa reroang)
Qetello ea ho qetela
Likhetho tsa ho reka
Litlhoko tsa tlatsetso, haeba li teng.
Pipe e se nang letho kapa e Ntšo / Varnish e roala / Epoxy e roala / 3PE (ho ea ka litlhoko tsa bareki);
Ho hlephileng;
Ka bobeli li qetella ka basireletsi ba ho qetela;
Qetello e hlakileng, pheletso ea bevel (2 ″ le kaholimo e nang le lipheletso tsa bevel, degree: 30 ~ 35 °), e etselitsoeng motho;
Ho tšoaea.Morero oa rona e tla ba ho phethahatsa bareki ba rona ka ho fana ka thuso ea khauta, theko e ntle le boleng bo holimo bakeng sa Tlhaloso e phahameng ea API 5L Gr.B Large Diameter Spiral Welded Steel Pipe Seamless Pipe LSAW Pipe, Re amohela ka tieo bareki ba kantle ho naha ho buisana ka tšebelisano-'moho ea nako e telele hammoho le tsoelo-pele.
Tlhaloso e phahamengChina Carbon Steel Pipe le Carbon Pipe, Re 'nile ra ikarabella haholo bakeng sa lintlha tsohle tse mabapi le taelo ea bareki ba rona ho sa tsotellehe boleng ba tiisetso, litheko tse khotsofatsang, ho fana ka potlako, puisano ka nako, ho paka ka khotsofalo, lipehelo tse bonolo tsa ho lefa, maemo a molemo ka ho fetisisa a thomello, ka mor'a tšebeletso ea thekiso joalo-joalo Re fana ka sebaka se le seng. tšebeletso le ho tšepahala ka ho fetisisa ho bareki ba rona bohle.Re sebetsa ka thata le bareki ba rona, basebetsi mmoho, basebetsi ho etsa bokamoso bo betere.
