I-API 5L X70 iyibanga le-API 5L lepayipi elinamandla amancane okukhiqiza angu-70,000 psi.Ngokuyinhloko isetshenziselwa ukuthutha okunengcindezi ephezulu yegesi yemvelo, uwoyela, namanzi.
Ukuze ufunde kabanzi mayelana ne-API 5L-46th, ungakwaziChofoza lapha!
Izici ze-API 5L X70
Amandla esivuno esiphezulu: Amandla esivuno amancane angu-70,000 psi (cishe ama-MPa angu-485), afanele izingcindezi eziphezulu zangaphakathi.
Ukuqina okuhle: igcina ukusebenza emazingeni okushisa aphansi ezifundeni ezibandayo nasekusetshenzisweni kolwandle olujulile.
Ukushisela okuhle kakhulu: Amandla aphezulu ngenkathi kugcinwa ukushisela okuhle, nama-welds afana nezakhiwo zensimbi eyisisekelo.
Ukumelana nokugqwala: kungathuthukiswa ngokulawula ukwakheka kwamakhemikhali kanye nokwelashwa kwangemva kokwelashwa (isb. ukumbozwa), okulungele indawo engasogwini kanye nendawo ebolayo.
Ukufaneleka kwemvelo: Kungadizayinelwa ukusetshenziswa endaweni ejwayelekile, engasogwini, nasezindaweni zesevisi ye-asidi.
Ukusimama: Umthelela oncishisiwe wemvelo kanye nokusebenza kahle kokudlulisela okuthuthukisiwe njengento egaywa kabusha.
Izigaba ze-API 5L X70
Uhlobo Lwepayipi: Ipayipi Lensimbi Elishiselwe futhi Elingenamthungo
Ibanga lokucaciswa komkhiqizo: API 5L X70 PSL1 kanye ne-API 5L X70 PSL2
Inqubo yokukhiqiza amapayipi: SMLS, LFW, HFW, LW, SAWL, SAWH, COWL, COWH
Uhlobo lokuphela kwepayipi: I-Belled end, i-Plain end
Ama-Raw material
Ama-ingots, amabhilidi, amabhilidi, imicu (amakhoyili), noma amapuleti njengempahla engavuthiwe yokwakha amapayipi ensimbi.
Impahla eluhlaza yepayipi lensimbi ye-PSL2 izoba yinsimbi encibilikisiwe.
Ngaphezu kwalokho, umugqa wensimbi (ikhoyili) noma ipuleti elisetshenziselwa ukwakhiwa kwepayipi lensimbi le-PSL2 akufanele lithwale noma yikuphi ukushisela kokugcwalisa.
I-API 5L X70 Inqubo Yokukhiqiza Ipayipi
| Uhlobo Lwepayipi | I-SMLS | I-LFW | HFW | LW | SAWLc | SAWHd | INKOMAZIc | I-COWHd |
| I-API 5L X70 PSL1 | X | X | X | X | X | X | X | X |
| I-API 5L X70 PSL2 | X | - | X | - | X | X | X | X |
cIpayipi elinomthungo okabili liyatholakala uma kuvunyelwene, kodwa lilinganiselwe kumapayipi ano-D ≥ 914 mm.
dIpayipi lomthungo we-Helical lilinganiselwe kwipayipi eline-D ≥ 114.3 mm.
Izinhlobo ze-Pipe End ye-API 5L X70
| Ipayipi End | Kukhale insimbie | Isiphetho esingenalutho |
| I-API 5L X70 PSL1 | X | X |
| I-API 5L X70 PSL2 | - | X |
eIpayipi le-Belled-end likhawulelwe epayipini elingu-D ≤219.1 mm kanye no-t≤ 3.6 mm.
Isimo Sokugcina Sokulethwa
Isimo sokugcina sokulethwa kwe-API 5L X70 (ukwelashwa kokushisa kokugcina kwepayipi lensimbi eliqediwe) kungahlukaniswa kube: ukugoqa, ukugoqa okujwayelekile, ukugoqa kwe-thermo-mechanical, ukwakheka kwe-thermo-mechanical, ukwakheka okujwayelekile, ukujwayelekile, ukujwayelekile kanye nokushisa noma ukucisha kanye nokushisa.
| I-PSL | Isimo Sokulethwa | Ibanga Lombhobho/Ibanga Lensimbi | |
| I-PSL1 | Njengoba-igoqwe, i-normalization igoqwe, i-thermomechanical rolled, i-thermomechanical kwakheka, ukujwayela kwakhiwe, kujwayelekile, kujwayelekile futhi kuthukutheliswe noma kucime futhi uthukuthele | X70 | L485 |
| I-PSL 2 | Kucishiwe futhi kuthukuthele | I-X70Q | I-L485Q |
| I-Thermomechanical rolled noma i-thermomechanical kwakheka | X70M | L485M | |
Lezi zimo zokudiliva ziqinisekisa ukuthi ishubhu ye-API 5L X70 isebenza kahle ezinhlotsheni zezinhlelo zokusebenza ezihlukene, ezinjengokusetshenziswa ezindaweni ezinomfutho ophezulu, izinga lokushisa eliphansi, noma ezonakalisayo.
Ukwakheka Kwamakhemikhali
I-API 5L X70 PSL1 Chemical Composition
Ukwakheka kwamakhemikhali kwepayipi lensimbi le-API 5L X70 PSL1 kufaka phakathi ikhabhoni ephansi, amanani amaphakathi e-manganese, namanani amancane e-phosphorus, isulfure, ne-silicon.Ngaphezu kwalokho, izakhi ze-alloying ezifana ne-chromium, i-nickel nethusi zengezwa ukuze kuthuthukiswe amandla nokumelana nokugqwala.Izakhi ze-Micro-alloying ezifana ne-vanadium, i-molybdenum ne-titanium zithuthukisa ukuqina kanye nezakhiwo ezikhiqizayo, ziqinisekisa ukusebenza ezindaweni eziyinselele.
| Ukwakheka Kwekhemikhali kwe-PSL 1 Ipayipi eno-t≤25.0 mm (0.984 in.) | |||||||||
| Ibanga Lensimbi (Igama Lensimbi) | Ingxenyana Enkulu, Ngokusekelwe Ekushiseni Nokuhlaziywa Komkhiqizoag % | ||||||||
| C | Mn | P | S | V | Nb | Ti | |||
| ubuningib | ubuningib | imiz | ubuningi | ubuningi | ubuningi | ubuningi | ubuningi | ||
| Ipayipi Elingenamthungo | |||||||||
| L485 | X70 | 0.28 | 1.40 | - | 0.03 | 0.03 | f | f | f |
| Ipayipi elishiselwe | |||||||||
| L485 | X70 | 0.26e | 1.65e | - | 0.03 | 0.03 | f | f | f |
| a Cu≤0.50 %;Ni≤0.50%;Cr≤0.50 %kanye ne-Mo≤0.15 %. b Ekuncishisweni ngakunye okungu-0.01 % ngaphansi komkhawulo obekiwe wekhabhoni, ukwanda kwe- 0.05% ngaphezu kwesilinganiso esiphezulu esibekiwe se-Mn sivumelekile, kuze kufike ku-1.65% kumabanga ≥L245 noma B, kodwa ≤L360 noma X52;kuze kufike ku-1.75 % kumabanga>L360 noma X52, kodwa futhi kufika ku-2.00 % eBangeni L485 noma X70. e Ngaphandle uma kuvunyelwene ngenye indlela f Ngaphandle kwalapho kuvunyelwene ngenye indlela, Nb+V+Ti≤0.15 %. g Akukho ukwengeza ngamabomu kuka-B okuvunyelwe kanye nensalela engu-B≤0.001 %. | |||||||||
I-API 5L X70 PSL2 Chemical Composition
Ukwakheka kwamakhemikhali kwe-API 5L X70 PSL2 kufaka phakathi ikhabhoni elawulwa ngokunembile, i-manganese, isulfure, ne-phosphorus, kanye nengxenye ehlakaniphile ye-silicon, i-chromium, i-nickel, nethusi.Ukulawula okuqinile okuyisisekelo akugcini nje ngokuthuthukisa amandla okukhiqiza kanye nokuqina kwepayipi kodwa futhi kuthuthukisa ukumelana nokugqwala ngaphansi kwezimo ezimbi kakhulu.Ngaphezu kwalokho, izakhi zokulandelela ezifana ne-vanadium, i-molybdenum, ne-titanium zishintshiwe ukuze kuthuthukiswe ukusebenza, okwenza i-X70 PSL2 ifaneleke ukubhekana nezindawo ezinobungozi obukhulu.
| Ukwakheka Kwekhemikhali kwe-PSL 2 Ipayipi eno-t ≤ 25.0 mm (0.984 in.) | ||||||||||||
| Ibanga Lensimbi (Igama Lensimbi) | Ingxenyana Enkulu, Ngokusekelwe Ekushiseni Nokuhlaziywa Komkhiqizo % ubuningi | Ikhabhoni Kuyalinganaa %ubukhulu | ||||||||||
| c b | Si | Mn b | P | S | V | Nb | Ti | Okunye | CEllw | CEpcm | ||
| Ipayipi Elingenamthungo futhi Elishiselwe | ||||||||||||
| I-L485Q | I-X70Q | 0.18f | 0.45 f | 1.80f | 0.025 | 0.015 | g | g | g | h, ngi | 0.43 | 0.25 |
| Ipayipi elishiselwe | ||||||||||||
| L485M | X70M | 0.12 f | 0.45f | 1.70f | 0.025 | 0.015 | g | g | g | h, ngi | 0.43 | |
| a Ngokusekelwe ekuhlaziyeni komkhiqizo, kumapayipi angenamthungo ano-t>20.0 mm (0.787 in.), imikhawulo ye-CE izoba njengoba kuvunyelwene ngayo;imikhawulo ye-CEllw iyasebenza uma u-C>0.12 %, futhi imikhawulo ye-CEpcm isebenza uma u-C≤0.12 %. b Ekunciphiseni ngakunye okungu-0.01 % ngaphansi kwesilinganiso esiphezulu esishiwo ku-C, ukukhuphuka ngo-0.05 % ngaphezu kwesilinganiso esiphezulu esishiwo kuMn okungavumelekile, kuze kufike ku-1.65 % kumabanga≥L245 noma B, kodwa≤L360 noma i-X52;kuze kufike ku-1.75 % kumabanga >L360 noma X52, kodwaI-L555 noma i-X80. c Ngaphandle uma kuvunyelwene ngenye indlela, Nb+V≤0.06 %. d Nb+V+Ti≤0.15%. e Ngaphandle uma kuvunyelwene ngenye indlela,Cu≤0.50 %;Ni≤0.30 %;Cr≤0.30 %kanye ne-Mo≤0.15 %. f Ngaphandle uma kuvunyelwene ngenye indlela. g Ngaphandle uma kuvunyelwene ngenye indlela, Nb+V+Ti≤0.15 %. h Ngaphandle kwalapho kuvunyelwene ngenye indlela,Cu≤0.50%;Ni≤0.50%;Cr≤0.50 %kanye ne-Mo≤0.50%. i Ngaphandle uma kuvunyelwene ngenye indlela,Cu≤0.50 %;Ni≤1.00%;Cr≤0.50%kanye ne-Mo≤0.50%. j B≤0.004 %. k Ngaphandle uma kuvunyelwene ngenye indlela,Cu≤0.50 %;Ni≤1.00 %;Cr≤0.55 %kanye ne-Mo≤0.80 %. l Emabangeni amapayipi e-PSL 2 ngaphandle kwalawo mabanga lapho umbhalo waphansi j) usuyasebenza, okulandelayo kuyasebenza: ngaphandle uma kuvunyelwene ngenye indlela ukwengeza okuhlosiwe kuka-B kuvunyelwe futhi kusale B≤0.001 %. | ||||||||||||
I-Chemical Composition for Sour Service Conditions API 5L X70 PSL2
Izimo zesevisi ezimuncu zibhekisela ikakhulukazi ekusetshenzisweni kwamapayipi ezindaweni ezine-hydrogen sulfide (H₂S), okungaholela ekuqhekekeni kwe-hydrogen sulfide stress corrosion cracking (HIC) kanye ne-sulfide stress corrosion cracking (SSCC).
Ukulungiswa kokwakheka kwamakhemikhali: Ngaphansi kwalezi zimo, ukwakheka kwamakhemikhali kwezinsimbi zamapayipi kufanele kulungiswe ngokufanele ukuze kuthuthukiswe ukumelana nokugqwala.Ngokuvamile, lokhu kuhlanganisa ukunciphisa okuqukethwe kwekhabhoni yezinto ezibonakalayo kanye nokwengeza izakhi ze-alloying ezifana ne-molybdenum (Mo) ne-nickel (Ni), okwandisa ukumelana nokugqwala kanye nobulukhuni bempahla.
| Ithebula H.1—Ukwakheka Kwekhemikhali Kwepayipi eline-t≤25.0 mm (0.984 in.) | |||||||||||
| Ibanga Lensimbi | Ingxenyana Enkulu Isekelwe Ekuhlaziyeni Ukushisa Nomkhiqizo% ubuningi | Ikhabhoni Kuyalinganaa % ubuningi | |||||||||
| C b | Si | Mn b | P | S | V | Nb | Ti | Okunyec,d | CEllw | CEpcm | |
| I-SMLS kanye nepayipi elishiselwe | |||||||||||
| I-L485QS noma i-X70QS | 0.16 | 0.45 | 1.65 | 0.020 | 0.003e | 0.09 | 0.05 | 0.06 | g,ngi,k | 0.42 | 0.22h |
| Ipayipi elishiselwe | |||||||||||
| I-L485MS noma i-X70MS | 0.10 | 0.45 | 1.60 | 0.020 | 0.002e | 0.10 | 0.08 | 0.06 | g, ngi,j | - | 0.22 |
Imininingwane enemininingwane ingatholakala ku-API 5L Appendix H.
I-Chemical Composition ye-API 5L X70 PSL2 Yezimo Zesevisi Ye-Offshore
Izimo zesevisi yasolwandle zibandakanya imvelo yasolwandle, okuhlanganisa ukuchayeka emanzini anosawoti kanye nezimo zezulu ezimbi kakhulu.Lezi zimo zidinga amapayipi amelana nokugqwala okuphezulu kanye nokuqina okwanele ukuze amelane nokugqwala kwamanzi anosawoti kanye nomthelela ophansi wokushisa.
Ukulungiswa kokwakheka kwamakhemikhali: Ngesevisi yasogwini, ingxubevange yepayipi ngokuvamile inyuswa nge-chromium (Cr), i-nickel (Ni) ne-molybdenum (Mo) ukuze kuthuthukiswe ukumelana kwayo nokugqwala kwamanzi olwandle.Inani lama-elementi e-micro-alloying afana ne-vanadium (V) ne-niobium (Nb) ingase futhi ilungiswe ukuze kuthuthukiswe ukuqina emazingeni okushisa aphansi.
| Ithebula J.1—Ukwakheka Kwekhemikhali Kwepayipi eline-t≤25.0 mm (0.984 in.) | ||||||||||||
| Ibanga Lensimbi | Ingxenyana Enkulu Isekelwe Ekuhlaziyeni Ukushisa Nomkhiqizo ubuningi % | Ikhabhoni I-Equivalenta ubuningi % | ||||||||||
| C b | Si | Mn b | P | S | V | Nb | Ti | Okunyec | CEllw | CEPcm | ||
| I-SMLS kanye nepayipi elishiselwe | ||||||||||||
| L485QO | X70QO | 0.17 | 0.45 | 1.75 | 0.020 | 0.010 | 0.10 | 0.05 | 0.06 | e,h | 0.42 | 0.23g |
| Ipayipi elishiselwe | ||||||||||||
| L485MO | X70MO | 0.12 | 0.45 | 1.75 | 0.020 | 0.010 | 0.10 | 0.08 | 0.06 | e,h | - | 0.22 |
Imininingwane enemininingwane ingatholakala ku-API 5L Appendix J.
Ukwengeza, ukwakheka kwamakhemikhali kwepayipi lensimbi yezimo zesevisi yasogwini ku-API 5L X70 PSL2 kuyafana nezimfuneko zepayipi zokufaka izicelo ezidinga umthamo wepulasitiki we-longitudinal.Abanentshisekelo bangabheka i-API 5L Appendix N.
Izakhiwo Zemishini
I-API 5L X70 PSL1 Mechanical Properties
| Ithebula lesi-6—Izimfuneko zemiphumela yokuhlolwa kwe-Tensile ye-PSL 1 Pipe | ||||
| Ibanga lePipe | Ipayipi Lomzimba Wepayipi Elingenamthungo nelishiselwe | I-Weld Seam ye-EW, I-LW, i-SAW, ne-COW Pipe | ||
| Isivuno Amandlaa Rkuye.5 I-MPa(psi) | Amandla Okuqinaa Rm I-MPa(psi) | Ukwelula (ku-50 mm noma 2 in.) Af % | Amandla Okuqinab Rm I-MPa(psi) | |
| imiz | imiz | imiz | imiz | |
| I-L485 noma i-X70 | 485(70,300) | 570 (82,700) | c | 570 (82,700) |
Amapharamitha athile angabukwa ku-API 5L Table 6.
Izakhiwo zemishini ze-API 5L X70 PSL2
Amashubhu e-PSL2 okusebenza okukhethekile alungiselelwa ukwakheka kwamakhemikhali, kodwa izidingo zezakhiwo zemishini ziyefana.
| Ithebula lesi-7—Izimfuneko zemiphumela yokuhlolwa kwe-Tensile ye-PSL 2 Pipe | |||||||
| Ibanga lePipe | Ipayipi Lomzimba Wepayipi Elingenamthungo nelishiselwe | I-Weld Seam kwe HFW SAW kanye Ipayipi le-CoW | |||||
| Isivuno Amandlaa Rkuye.5 I-MPa(psi) | Amandla Okuqinaa Rm I-MPa (psi) | Isilinganisoac Rt0.5/Rm | Ukwelula (ku-50 mm noma 2 in.) Af % | I-tensile Amandlad Rm I-MPa (psi) | |||
| imiz | ubuningi | imiz | ubuningi | ubuningi | imiz | imiz | |
| I-L485Q noma i-X70Q I-L485M noma i-X70M | 485 (70.300) | 635 (92.100) | 570 (82.700) | 760 (110.200) | 0.93 | f | 570 (82.700) |
Amapharamitha athile angabukwa ku-API 5L Table 7.
Izindlela Zokuhlola
| Isigaba sokuhlola | Indlela Yokuhlola |
| Ukwakheka Kwamakhemikhali | ISO 9769 noma ASTM A751 |
| Izakhiwo Zemishini | ISO 6892-1 noma ASTM A370 |
| Ukuhlolwa kwe-Hydrostatic | I-API 5L 10.2.6 |
| Ukuhlolwa Okungonakali | I-API 5L Isithasiselo E |
| Ukugoba Test | ISO 8491 noma ASTM A370 |
| Ukuhlolwa Kwe-Bend Eqondisiwe | ISO 5173 noma ASTM A370 |
| Ukuhlola Ukucaba | ISO 8492 noma ASTM A370 |
| I-CVN Impact Test(PLS2) | I-ASTM A370 |
| Ukuhlolwa kwe-DWT(PSL2) | I-API 5L3 |
Izicelo ze-API 5L X70
Amapayipi kawoyela: asetshenziselwa ukuthutha uwoyela ongahluziwe noma imikhiqizo ecolisisiwe, ikakhulukazi ezokuthutha ezihamba amabanga amade kuzo zonke izindawo noma ngaphansi kwamanzi.
Amapayipi egesi: ukuqoqwa nokusatshalaliswa kwegesi yemvelo, okuhlanganisa nokuhamba amabanga amade kanye nezindawo ezinengcindezi ephezulu.
Izinhlelo zokusebenza zesakhiwo: Ipayipi lensimbi le-API 5L X70 liphinde lisetshenziswe kumaphrojekthi akhethekile afana nezinkundla zasolwandle noma izakhiwo zokusekela ezinamandla aphezulu.
Izicelo zezimboni: Izinhlelo zokuthutha eziwuketshezi ezitshalweni zamakhemikhali, izindawo zokuhluza, njll.
Izindawo zokusetshenziswa okukhethekile: Ukumelana nokugqwala kwepayipi lensimbi le-API 5L X70 kuyenza ifanelekele ukusetshenziswa ezindaweni ezihlukene ezikhethekile, ikakhulukazi ezimweni ezine-asidi nezimoshekayo zasogwini.
Imikhiqizo Yethu Ehlobene
I-API 5L GR.B X60 X65 X70 PSL1/PSL 2 LSAW Ipayipi Lensimbi Lekhabhoni
I-Pipe End Processing
Ukusika amapayipi
I-anti-corrosion coatings: i-galvanized, painted, i-3PE, i-FBE, njll.
Singelinye lamapayipi ensimbi ashiselwe phambili ashiselwe kanye nabakhiqizi namapayipi ensimbi angenamthungo nabahlinzeki abavela eChina, abanohlu olubanzi lwamapayipi ensimbi ekhwalithi ephezulu esitokweni, sizimisele ukukunikeza uhla olugcwele lwezixazululo zamapayipi ensimbi.Ukuze uthole imininingwane eyengeziwe yomkhiqizo, sicela ukhululeke ukuxhumana nathi, sibheke phambili ekusizeni ukuthi uthole izinketho ezingcono kakhulu zamapayipi ensimbi ngezidingo zakho!
Amathegi: X70, API 5l x70, ai 5l, abahlinzeki, abakhiqizi, amafekthri, amasheya, izinkampani, iwholesale, thenga, inani, ikhotheshini, inqwaba, iyathengiswa, izindleko.
Isikhathi sokuthumela: Apr-14-2024