Umkhiqizi Nomhlinzeki Wamapayipi Ensimbi Ehamba Phambili E-China |

Ukuhlaziywa okujulile kwepayipi lomugqa we-API 5L X70

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!

Ipayipi lensimbi le-API 5L X70 PSL2

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 nasezindaweni ezijulile zolwandle.

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, ama-strip (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 Icishiwe futhi ithukuthele 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 ye-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 %.
Imibandela yokusebenzisa i-CEllw ne-CEpcm

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.Abantu 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 lombhobho 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.

I-API 5L X70 PSL2 izakhiwo zemishini

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 lombhobho 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

Amapulatifomu angasogwini
Amapulatifomu angasogwini
ipayipi likawoyela negesi elihamba amabanga amade

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.

Singomunye wabaphambili abashiselwe ipayipi lensimbi elishiselwe kanye nabakhiqizi nabahlinzeki bepayipi lensimbi engenamthungo 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

  • Okwedlule:
  • Olandelayo: