Hona joale re na le sehlopha se nang le litsebo, se sebetsang ho fana ka litšebeletso tsa boleng bo botle bakeng sa bareki ba rona.Hangata re latela tenete ea bareki, e shebaneng le lintlha tse mabapi le Theko e Khethehileng bakeng sa SSAW/Sawl API 5L Spiral Welded Carbon Steel Pipe Natural Gas le Oil Pipeline, Ho feta moo, re ne re tla tataisa bareki ka nepo mabapi le mekhoa ea kopo ea ho amohela tharollo ea rona. le mokhoa oa ho khetha thepa e nepahetseng.
Hona joale re na le sehlopha se nang le litsebo, se sebetsang ho fana ka litšebeletso tsa boleng bo botle bakeng sa bareki ba rona.Hangata re latela mokhoa oa bareki, o shebaneng le lintlhaChina LSAW/SSAW Pipe ea tšepe le Pipe e cheselitsoeng, Morero oa rona ke ho fana ka boleng bo holimo ho bareki ba rona le bareki ba bona.Boitlamo bona bo ama ntho e 'ngoe le e 'ngoe eo re e etsang, e re susumelletsa ho tsoela pele ho hlahisa le ho ntlafatsa tharollo ea rona le mekhoa ea ho phethahatsa litlhoko tsa hau.
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 phetisetso ea oli le khase ea tlhaho.
ASTM A671 LSAW(JCOE) Carbon Steel Pipe e tla ba tse cheselitsoeng habeli, 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 e le 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 tshwaya.
Hona joale re na le sehlopha se nang le litsebo, se sebetsang ho fana ka litšebeletso tsa boleng bo botle bakeng sa bareki ba rona.Hangata re latela tenete ea bareki, e shebaneng le lintlha tse mabapi le Theko e Khethehileng bakeng sa SSAW/Sawl API 5L Spiral Welded Carbon Steel Pipe Natural Gas le Oil Pipeline, Ho feta moo, re ne re tla tataisa bareki ka nepo mabapi le mekhoa ea kopo ea ho amohela tharollo ea rona. le mokhoa oa ho khetha thepa e nepahetseng.
Theko e khethehileng bakeng saChina LSAW/SSAW Pipe ea tšepe le Pipe e cheselitsoeng, Morero oa rona ke ho fana ka boleng bo holimo ho bareki ba rona le bareki ba bona.Boitlamo bona bo ama ntho e 'ngoe le e 'ngoe eo re e etsang, e re susumelletsa ho tsoela pele ho hlahisa le ho ntlafatsa tharollo ea rona le mekhoa ea ho phethahatsa litlhoko tsa hau.
