Jwale re na le sehlopha se nang le bokgoni, se sebetsang hantle ho fana ka ditshebeletso tsa boleng bo botle bakeng sa bareki ba rona. Hangata re latela molao-motheo wa Theko e Ikgethang bakeng sa SSAW/Sawl API 5L Spiral Welded Carbon Steel Pipeline, Khase ya Tlhaho le Oli, ho latela moo, re tla tataisa bareki ka nepo mabapi le mekgwa ya tshebediso ya ho amohela ditharollo tsa rona le tsela ya ho kgetha thepa e loketseng.
Jwale re na le sehlopha se nang le bokgoni, se sebetsang hantle ho fana ka ditshebeletso tsa boleng bo botle bakeng sa bareki ba rona. Hangata re latela molao-motheo wa ho shebana le bareki le ho shebana le dintlha tse qaqileng bakeng saPipe ea Tšepe ea China LSAW/SSAW le Pipe e Welded, Sepheo sa rona ke ho fana ka boleng bo phahameng ka ho sa feleng ho bareki ba rona le bareki ba bona. Boitlamo bona bo kenella nthong e 'ngoe le e 'ngoe eo re e etsang, bo re susumelletsa ho nts'etsapele le ho ntlafatsa litharollo tsa rona le mekhoa ea ho phethahatsa litlhoko tsa hau.
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.
Phaephe ea Tšepe ea Khabone ea ASTM A671 LSAW(JCOE) e tla ba li-weld tse phuthetsoeng habeli, tse kenang ka botlalo tse entsoeng ho latela mekhoa le ke li-welder kapa basebetsi ba ho tjheseletsa ba tšoanelehang ho latela ASME Boiler le Khoutu ea Sejana sa Khatello, Karolo ea 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.
Jwale re na le sehlopha se nang le bokgoni, se sebetsang hantle ho fana ka ditshebeletso tsa boleng bo botle bakeng sa bareki ba rona. Hangata re latela molao-motheo wa Theko e Ikgethang bakeng sa SSAW/Sawl API 5L Spiral Welded Carbon Steel Pipeline, Khase ya Tlhaho le Oli, ho latela moo, re tla tataisa bareki ka nepo mabapi le mekgwa ya tshebediso ya ho amohela ditharollo tsa rona le tsela ya ho kgetha thepa e loketseng.
Theko e Ikhethang bakeng saPipe ea Tšepe ea China LSAW/SSAW le Pipe e Welded, Sepheo sa rona ke ho fana ka boleng bo phahameng ka ho sa feleng ho bareki ba rona le bareki ba bona. Boitlamo bona bo kenella nthong e 'ngoe le e 'ngoe eo re e etsang, bo re susumelletsa ho nts'etsapele le ho ntlafatsa litharollo tsa rona le mekhoa ea ho phethahatsa litlhoko tsa hau.
