Lumikizanani nafe kuti mudziwe zambiri za kukula kwake
Chitoliro cha API 5L Giredi B X42 X52 X65 Carbon Steel Line Chitoliro Chopanda Msoko ndi Chopindika cha Chitsulo
| Gulu | Kufotokozera |
| Magiredi a Zitsulo | API 5L Giredi B, X42, X52, X56, X60, X65, X70, X80 |
| Mulingo Wofotokozera | PSL1 / PSL2 |
| Chidutswa chakunja (OD) | 1/2” – 40” (21.3 mm – 1016 mm), yosinthika |
| Kukhuthala kwa Khoma | SCH 10 / SCH 20 / SCH 40 / SCH STD / SCH 80 / SCH XS / SCH 160 |
| Mitundu Yopangira | Yopanda msoko, ERW, LSAW, DSAW, SSAW, HSAW |
| Mitundu Yotsiriza | Malekezero Opindika, Malekezero Opanda Ulusi, Malekezero Opindika (ngati mukufuna) |
| Kutalika kwa Utali | SRL, DRL, 6m (20FT), 12m (40FT), kapena yosinthidwa |
| Chitetezo cha Mapaipi | Zipewa zapulasitiki / Zipewa zachitsulo / Zoteteza kumapeto kwa chitsulo |
| Chithandizo cha Pamwamba | Wopanda kanthu, Wopaka Wakuda, Wopaka Varnished, FBE, 3LPE / 3PE, 3PP, CWC (Wopaka Konkriti), Wokutidwa ndi CRA/Wokhala ndi Mizere |
1. Kutsatira Miyezo Yapadziko Lonse Molimba Mtima
2. Mitundu Yosiyanasiyana ya Zitsulo
3. Kuthekera Kwambiri Kopanga Zinthu
4. Chitetezo Chabwino Kwambiri Choletsa Kudzikundikira
5. Magwiridwe Odalirika a Makina
Chitoliro cha Chitsulo cha API 5LTchati cha Kukula
| Chidutswa cha Kunja (OD) | Kukhuthala kwa Khoma (WT) | Kukula kwa Chitoliro Chodziwika (NPS) | Utali | Kalasi yachitsulo Ikupezeka | Mtundu |
| 21.3 mm (0.84 in) | 2.77 – 3.73 mm | ½″ | 5.8 m / 6 m / 12 m | Giredi B – X56 | Wopanda msoko / ERW |
| 33.4 mm (1.315 in) | 2.77 – 4.55 mm | 1″ | 5.8 m / 6 m / 12 m | Giredi B – X56 | Wopanda msoko / ERW |
| 60.3 mm (2.375 in) | 3.91 – 7.11 mm | 2″ | 5.8 m / 6 m / 12 m | Giredi B – X60 | Wopanda msoko / ERW |
| 88.9 mm (3.5 in) | 4.78 – 9.27 mm | 3″ | 5.8 m / 6 m / 12 m | Giredi B – X60 | Wopanda msoko / ERW |
| 114.3 mm (4.5 in) | 5.21 – 11.13 mm | 4″ | 6 m / 12 m / 18 m | Giredi B – X65 | Yopanda msoko / ERW / SAW |
| 168.3 mm (6.625 in) | 5.56 – 14.27 mm | 6″ | 6 m / 12 m / 18 m | Giredi B – X70 | Yopanda msoko / ERW / SAW |
| 219.1 mm (8.625 in) | 6.35 – 15.09 mm | 8″ | 6 m / 12 m / 18 m | X42 – X70 | ERW / SAW |
| 273.1 mm (10.75 in) | 6.35 – 19.05 mm | 10″ | 6 m / 12 m / 18 m | X42 – X70 | SAW |
| 323.9 mm (12.75 in) | 6.35 – 19.05 mm | 12″ | 6 m / 12 m / 18 m | X52 – X80 | SAW |
| 406.4 mm (16 in) | 7.92 – 22.23 mm | 16″ | 6 m / 12 m / 18 m | X56 – X80 | SAW |
| 508.0 mm (20 inchi) | 7.92 – 25.4 mm | 20″ | 6 m / 12 m / 18 m | X60 – X80 | SAW |
| 610.0 mm (24 in) | 9.53 – 25.4 mm | 24″ | 6 m / 12 m / 18 m | X60 – X80 | SAW |
Dinani batani la kumanja
PSL 1 (Zofotokozera Zamalonda Mulingo 1): Kwa mapaipi omangidwa pamlingo woyambira wa khalidwe.
PSL 2 (Zofotokozera Zamalonda Mulingo 2): Pogwiritsa ntchito mphamvu zapamwamba zamakina, zowongolera za mankhwala zolimba komanso NDT, zidziwitso zamphamvu kwambiri.
| Chinthu | PSL1 | PSL2 | Zolemba |
| Kuwongolera Kuphatikizika kwa Mankhwala | Malire okhazikika pa C, Mn, P, S | Malire okhwima, P ndi S otsika; kulamulira kwina kwa microalloy element kumaloledwa | PSL2 ndi yoyenera kwambiri m'malo otentha pang'ono komanso owononga |
| Mphamvu Yotulutsa (MPa) | Malinga ndi kalasi yofotokozera | Chimodzimodzi ndi PSL1; chokwera pang'ono pazitsulo zina zapamwamba | Zofunikira zazikulu zamakina ndizofanana |
| Mphamvu Yokoka (MPa) | Malinga ndi kalasi yofotokozera | Chimodzimodzi ndi PSL1 | |
| Kutalika (%) | Malinga ndi kalasi yofotokozera | Chimodzimodzi ndi PSL1 | |
| Mphamvu Yotsika Pakutentha (Charpy V-Notch) | Chosankha kapena chofunikira pa ntchito iliyonse | Zofunikira; nthawi zambiri zimayesedwa pa -20°C kapena -50°C | Zimalimbitsa kulimba kutentha kochepa |
| Kutha kupotoka | Zimakwaniritsa zofunikira zonse | Mayeso okhwima komanso ogwirizana ndi kusongoka nthawi zambiri amafunika | PSL2 imafuna ntchito yabwino kwambiri yowotcherera |
| Kulekerera kwa Miyeso | Mtundu wokhazikika | Zokhwima kwambiri | PSL2 ili ndi mphamvu yolamulira kukula kwa khoma ndi mainchesi. |
| Kulamulira Zilema / NDT | Kuyang'anira kwachizolowezi; UT/RT yosankha | UT/RT/MPI yofunikira | Kuonetsetsa kuti mapaipi ali otetezeka kwambiri |
| Malo Ogwiritsira Ntchito | Kuyendera mapaipi ambiri | Mapaipi othamanga kwambiri, kutentha kochepa, komanso owononga | PSL2 ndi yabwino kwambiri pamapulojekiti omwe ali ndi zofunikira kwambiri pachitetezo |
| Mtengo | Zotsika kwambiri | Pamwamba pang'ono | Chifukwa cha kuwunika kokhwima ndi zofunikira pakupanga |
Paipi Yotumizira Mafuta ndi Gasi
Chitoliro chachitsulo cha API 5L chimagwiritsidwa ntchito kwambiri ponyamula mafuta osakonzedwa, gasi wachilengedwe, ndi zinthu zamafuta pamtunda wautali.
Imapereka mphamvu zambiri komanso kukana kupanikizika, zomwe zimapangitsa kuti ikhale yoyenera kwambiri pamapaipi apamadzi am'mphepete mwa nyanja komanso am'mphepete mwa nyanja.
Machitidwe Operekera Madzi ndi Kutulutsa Madzi
Mapaipi amenewa amagwiritsidwa ntchito kwambiri m'mapulojekiti oyendera madzi m'matauni ndi m'mafakitale.
Ndi zophimba zotsutsana ndi dzimbiri, mapaipi a API 5L amatsimikizira kuti ntchito yawo ndi yayitali m'malo apansi panthaka komanso m'malo onyowa.
Uinjiniya wa Offshore & Marine
Mapaipi achitsulo a API 5L amagwiritsidwa ntchito m'mapaipi a pansi pa nyanja, mapulatifomu a m'mphepete mwa nyanja, ndi zomangamanga za m'mphepete mwa nyanja.
Kawirikawiri amatetezedwa ndi 3LPE, 3PE, kapena simenti yolemera kuti athe kupirira dzimbiri la madzi a m'nyanja komanso kuthamanga kwambiri.
Ntchito Yomanga Mafakitale ndi Zomangamanga
Mapaipi amenewa amagwiritsidwanso ntchito m'mafakitale oyeretsera zinthu, m'mafakitale amagetsi, m'mafakitale opanga mankhwala, komanso m'mapulojekiti a milatho kapena maziko.
Mapaipi apamwamba a API 5L (X60–X80) ndi oyenera kugwiritsidwa ntchito m'mapangidwe olemera komanso amphamvu kwambiri.
PSL2 ili ndi zofunikira zokhwima mu:
Kapangidwe ka mankhwala
Katundu wa makina
Kuyesa zotsatira
Kuyesa kosawononga (NDT)
Q: Ndi mfundo ziti zomwe ndiyenera kupereka kuti ndipeze mtengo?
A: Kuti mupereke mtengo wolondola, chonde gawani:
Kapangidwe kachitsulo (B, X42–X80)
OD ndi makulidwe a khoma
Kutalika ndi kuchuluka
Zofunikira pakuphimba (ngati zilipo)
Doko lopitako
Tumizani funso lanu tsopano ndipo tidzayankha mkati mwa maola 24 ndi mtengo wopikisana.
Q: Kodi mungathandize mapulojekiti achangu kapena akuluakulu?
A: Inde. Tili ndi mphamvu zopanga zinthu zambiri komanso zoperekera zinthu pogwiritsa ntchito mapulojekiti.
Pa ntchito zofunika kwambiri, titha kukonza nthawi yopangira zinthu kuti zikwaniritse nthawi yokwanira yogwirira ntchito.
Lumikizanani nafe nthawi ya polojekiti yanu kuti mupeze chithandizo chofunikira.
Q: Kodi ndingasankhe bwanji PSL1 kapena PSL2 pa ntchito yanga?
A: PSL1 ndi yoyenera kugwiritsidwa ntchito pa mapaipi onse, pomwe PSL2 ikulimbikitsidwa pa ntchito zamagetsi amphamvu kwambiri, zapanyanja, komanso zofunika kwambiri.
Ngati simukudziwa, gulu lathu laukadaulo lingakupatseni malangizo oyenera kutengera momwe polojekiti yanu ilili.
Tsatanetsatane Wolumikizirana
Pezani Mtengo wa Chitoliro cha API 5L Tsopano
Tumizani funso lanu ndi:
Giredi (X52 / X70 ndi zina zotero)
Kukula
Kuchuluka
Yankho lachangu mkati mwa maola 12
Adilesi
Malo oyendetsera chitukuko cha Kangsheng,
Chigawo cha Wuqing, mzinda wa Tianjin, China.
Maola
Lolemba-Lamlungu: Utumiki wa maola 24












