I-API 5L Ibanga Bipayipi lensimbi likhiqizwa ngokuhambisana nezidingo ezifanele zeI-API 5Lfuthi isetshenziswa kabanzi ezinhlelweni zokuthutha zamapayipi embonini kawoyela negesi.
Ibanga Bingase futhi kuthiweL245.Isici siwukuthi amandla amancane okukhiqiza wepayipi yensimbi245 MPa.
Ipayipi lomugqa we-API 5L litholakala kumamaki amabili okucaciswa komkhiqizo:I-PSL1isetshenziswa ngokuyinhloko ezinhlelweni zokuthutha ezijwayelekile, kuyilaphoI-PSL2ifanele izimo ezinzima kakhulu ezinamandla aphakeme okusebenza kanye namazinga okuhlola aqine kakhulu.
Inqubo yokukhiqiza ingaba lula (I-SMLS), ukumelana nogesi kushiselwe (ERW), noma i-arc engaphansi eshiselwe (SAW) ukuze ivumelane nezidingo ezahlukene zokufaka nokusebenza.
Insimbi ye-Botopingumkhiqizi ochwepheshe wepayipi lensimbi elinezindonga eziwugqinsi elinezinhlangothi ezimbili elingaphansi kwe-arc LSAW elitholakala eChina.
Indawo: Cangzhou City, Hebei Province, China;
Isamba Sotshalomali: 500 million RMB;
Indawo yefekthri: 60,000 square metres;
Amandla okukhiqiza ngonyaka: amathani angama-200,000 amapayipi ensimbi e-JCOE LSAW;
Izinsiza: Ukukhiqiza okuthuthukile kanye nemishini yokuhlola;
Ubuchwepheshe: Ukukhiqizwa kwepayipi lensimbi ye-LSAW;
Isitifiketi: I-API 5L iqinisekisiwe.
API 5L Grade B Classification
Ihlukaniswe yaba izinhlobo eziningana ezihlukene ngokusekelwe Emazingeni Okucaciswa Komkhiqizo (PSL) ahlukene kanye nezimo zokulethwa.
Lokhu kuhlukaniswa kwenza ukukhethwa kwepayipi lomugqa olungile kuhambisane kakhulu nezidingo zephrojekthi ethile kanye nezidingo zendawo yokusebenza.
PSL1: B.
I-PSL2: BR;BN;BQ;BM.
Amashubhu ensimbi amaningana e-PSL 2 asetshenziselwa izindawo ezikhethekile zesevisi.
Izindawo zesevisi ezimuncu: BNS;BQS;I-BMS.
Indawo yesevisi ye-Offshore: BNO;BQO;I-BMO.
Izicelo ezidinga umthamo we-plastic longitudinal: BNP;I-BQP;I-BMP.
Imibandela Yokulethwa
| I-PSL | Isimo Sokulethwa | Ibanga Lombhobho/Ibanga Lensimbi | |
| I-PSL1 | Njengoba-igoqiwe, i-normalization rolled, i-thermomechanical rolled, i-thermomechanical kwakheka, i-normalizing kwakheka, i-normalized, i-normalized kanye ne- tempered; noma, umakuvunyelwene, kucinywe futhi kufuthelwe ipayipi le-SMLS kuphela | B | L245 |
| I-PSL 2 | Njengoba-igoqiwe | BR | L245R |
| Ukwenziwa kokujwayelekile kugoqiwe, ukujwayela kwakheke, kwenziwe ngokwejwayelekile, noma kujwayelekile futhi kufakwe umoya | BN | L245N | |
| Icishiwe futhi ithukuthele | BQ | I-L245Q | |
| I-Thermomechanical rolled noma i-thermomechanical kwakheka | BM | L245M | |
Isimo sokulethwa kwepayipi lensimbi ikakhulukazi libhekisela ekwelapheni ukushisa noma okunye ukwelashwa okwenziwa ekupheleni kwenqubo yokukhiqiza ipayipi lensimbi, futhi lezi zindlela zokwelapha zinethonya elibalulekile ezakhini zemishini, ukumelana nokugqwala, nokuzinza kwesakhiwo. ipayipi lensimbi.
I-API 5L GR.B Inqubo Yokukhiqiza Ipayipi Lensimbi
Ku-API 5L ipayipi elijwayelekile leBanga B lingakhiqizwa kusetshenziswa enye yezinqubo zokukhiqiza kuthebula elilandelayo.
| I-API 5L PSL1 Ibanga B | I-SMLS | I-LFW | HFW | SAWL | SAWH | INKOMAZI | I-COWH |
| I-API 5L PSL2 Ibanga B | I-SMLS | - | HFW | SAWL | SAWH | INKOMAZI | I-COWH |
Ukuze uthole ulwazi oluthe xaxa mayelana nencazelo yegama elithi Manufacturing Process,Chofoza lapha.
I-LSAWiyisisombululo esikhulu samapayipi ensimbi anobubanzi obukhulu, anezindonga eziwugqinsi.
Isici esihlukile ekubukeni ukutholakala kwe-weld ekuqondeni kwe-longitudinal yepayipi.
Uhlobo Lokuphela Kwepayipi
Izinhlobo zokugcina zepayipi lensimbi le-API 5L Lebanga B zingahluka ku-PSL1 ne-PSL2.
PSL 1 Steel Pipe End
Kukhale insimbi; Isiphetho esingenalutho;Isiphetho esingenalutho sokuhlanganisa okukhethekile; Ukuphela kochungechunge.
Ukuphela kwensimbi: Kukhawulelwe kumashubhu ano-D ≤ 219.1 mm (8.625 in) kanye no-t ≤ 3.6 mm (0.141 in) ekugcineni kwesokhethi.
Isiphetho esinentambo: Ipayipi elinochungechunge lilinganiselwe ku-SMLS kanye nepayipi lomthungo longitudinal eline-D <508 mm (20 in).
PSL 2 Steel Pipe End
Isiphetho esingenalutho.
Ukuphela kwepayipi elingenalutho kufanele kulandelwe lezi zidingo ezilandelayo:
Ubuso bokugcina buka-t ≤ 3.2 mm (0.125 in) ipayipi elingenalutho elingenalutho lizosikwa isikwele.
Amashubhu angenalutho ano-t > 3.2 mm (0.125 in) azovulwa ukuze ashiselwe.I-engeli ye-bevel kufanele ibe ngu-30-35 ° futhi ububanzi bobuso bempande ye-bevel kufanele bube ngu-0.8 - 2.4 mm (0.031 - 0.093 in).
I-API 5L Ibanga B I-Chemical Composition
Ukwakheka kwamakhemikhali kwe-PSL1 ne-PSL2 ipayipi lensimbi t > 25.0 mm (0.984 in) kuzonqunywa ngesivumelwano.
Ukwakheka Kwekhemikhali ye-PSL 1 Ipayipi eno-t ≤ 25.0 mm (0.984 in.)
Ukwakheka Kwekhemikhali ye-PSL 2 Ipayipi eno-t ≤ 25.0 mm (0.984 in.)
Ngemikhiqizo yepayipi yensimbi ye-PSL2 ehlaziywe ngeokuqukethwe kwekhabhoni okungu-≤0.12%, okulingana nekhabhoni CEpcmingabalwa kusetshenziswa ifomula elandelayo:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Ngemikhiqizo yepayipi yensimbi ye-PSL2 ehlaziywe ngeokuqukethwe kwekhabhoni > 0.12%, okulingana nekhabhoni CEllwingabalwa kusetshenziswa ifomula engezansi:
CEllw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
API 5L Grade B Mechanical Property
I-Tensile Property
PSL1 GR.B Tensile Properties
PSL2 GR.B Tensile Properties
Qaphela: Ubude obuncane obushiwo, Afizonqunywa kusetshenziswa i-equation elandelayo:
Af= C × (Axc0.2/U0.9)
Cunyaka ka-1940 wokubala kusetshenziswa amayunithi e-SI kanye nezi-625,000 zokubala kusetshenziswa amayunithi e-USC;
Axc indawo esebenzayo yesiqephu sokuhlola esiqinile, esivezwa ngamamilimitha ayisikwele (amayintshi ayisikwele), kanjena:
1) ngezingcezu zokuhlola eziyisiyingi, 130 mm2(0.20 in.2) ngo-12.7 mm (0.500 in.) kanye no-8.9 mm (0.350 in.) izingcezu zokuhlola ububanzi;65 mm2(0.10 in.2) ngo-6.4 mm (0.250 in.) izingcezu zokuhlola ububanzi;
2) ngezingcezu zokuhlola ezigcwele, okuncane okungu-a) 485 mm2(0.75 in.2) kanye b) nendawo ephambanayo yocezu lokuhlola, T ethathwe kusetshenziswa ububanzi obushiwo bangaphandle kanye nogqinsi olucacisiwe lwepayipi, eliyindilinga ku-10 mm eseduze.2(0.01 in.2);
3) ngezingcezu zokuhlolwa kwe-strip, okuncane okungu-a) 485 mm2(0.75 in.2) kanye b) nendawo ephambanayo yesiqephu sokuhlola, esithathwe kusetshenziswa ububanzi obushiwo besiqephu sokuhlola kanye nogqinsi olucacisiwe lwepayipi, elizungezwe ku-10 mm eliseduze.2(0.01 in.2);
Uamandla okuqina amancane ashiwo, avezwa ngama-megapascals (amaphawundi ngeyintshi yesikwele).
Bend Test
Ayikho ingxenye yesampula ezoqhekeka futhi i-weld ngeke iqhekeke.
Ukuhlola Ukucaba
Ayisebenzi epayipini lensimbi le-LSAW.
IfaneleEW, LW, futhiCWizinhlobo zokukhiqiza zamashubhu.
Ukuhlolwa kwe-Guid-goba
Veza noma yikuphi ukuqhekeka noma ukuqhekeka kunsimbi yokushisela okude kuno-3.2 mm (0.125 in), kungakhathaliseki ukujula.
Veza noma yikuphi ukuqhekeka noma ukuqhekeka kwensimbi engumzali, i-HAZ, noma umugqa wokuhlanganisa omude kuno-3.2 mm (0.125 in) noma ujule kuno-12.5 % wogqinsi olucacisiwe lodonga.
I-CVN Impact Test yePSL 2 Pipe
I-CVN (Charpy V-Notch) Impact test, indlela yokuhlola ejwayelekile yokuhlola ukuqina kwezinto uma ingaphansi kwemithwalo enomthelela osheshayo.
Izidingo ezilandelayo zisebenza kumabanga ≤ X60 noma L415.
| I-CVN Absorbed Energy Izidingo zePipe Body ye-PSL 2 Pipe | |
| I-Diameter Yangaphandle Ecacisiwe D mm (ku.) | Usayizi ogcwele we-CVN Absorbed Energy imiz Kv J (ft.lbf) |
| ≤762 (30) | 27 (20) |
| ＞762 (30) kuya ku-2134 (84) | 40 (30) |
Isivivinyo se-DWT se-PSL 2 Ipayipi Elishiselwe
Isilinganiso sendawo yokugunda uhlolo ngalunye izoba ≥ 85 % ku-0 °C (32 °F) izinga lokushisa lokuhlola.
Kumashubhu anogqinsi olungaphezulu kuka-25.4 mm (1 in.), izidingo zokwamukelwa kokuhlolwa kwe-DWT kuzoxoxwa ngazo.
Ukuhlolwa kwe-Hydrostatic
Isikhathi Sokuhlola
Bonke osayizi bamashubhu ensimbi angenamthungo nashikelwe ano-D ≤ 457 mm (18 in.):isikhathi sokuhlola ≥ 5s;
Ipayipi lensimbi elishiselwe D > 457 mm (18 in.):isikhathi sokuhlola ≥ 10s.
Test Frequency
Ipayipi ngalinye lensimbi.
Izingcindezi zokuhlola
I-hydrostatic test pressure P ye-aipayipi lensimbi elingenaluthoingabalwa ngokusebenzisa ifomula.
P = 2St/D
Singcindezi ye-hoop.inani lilingana namandla amancane ashiwo epayipi lensimbi xa iphesenti, ku-MPa (psi);
Okwe-API 5L Ibanga B, amaphesenti angu-60% okucindezela kokuhlola okujwayelekile kanye no-70% wengcindezi yokuhlola ongayikhetha.
Ku-D <88.9 mm (3.500 in.), akudingekile ukuthi ingcindezi yokuhlola idlule i-17.0 MPa (2470 psi);
Ku-D > 88.9 mm (3.500 in.), akudingekile ukuthi ingcindezi yokuhlola idlule i-19.0 MPa (2760 psi).
tubukhulu bodonga olucacisiwe, obuvezwa ngamamilimitha (amasentimitha);
Diwububanzi obushiwo bangaphandle, obuvezwa ngamamilimitha (amayintshi).
Ukuhlola Okungonakali
Okwamashubhu e-SAWizindlela ezimbili,UT(ukuhlolwa kwe-ultrasonic) nomaRT(ukuhlolwa kwe-radiographic), kuvame ukusetshenziswa.
ET(ukuhlolwa kwe-electromagnetic) akusebenzi kumashubhu e-SAW.
Izithungo ezishiselwe kumapayipi ashiselwe amabanga ≥ L210/A kanye nobubanzi ≥ 60.3 mm (2.375 in) azohlolwa ngendlela engonakalisi ukuze kubonakale ukujiya nobude obugcwele (100 %) njengoba kucacisiwe.
Ukuhlolwa kwe-UT okungabhubhisi
Ukuhlolwa kwe-RT okungabhubhisi
Cacisa Ububanzi Bangaphandle Nokuqina Kodonga
Amanani amisiwe obubanzi obucacisiwe bangaphandle kanye nogqinsi olucacisiwe lwezindonga zepayipi lensimbi kunikezwaISO 4200futhiI-ASME B36.10M.
I-Dimensional Tolerances
Ukubekezelela Ububanzi kanye Nokuphuma Kokujikeleza
Ububanzi bepayipi lensimbi buchazwa njengomjikelezo wepayipi kunoma iyiphi indiza eyisiyingi ehlukaniswe ngo-π.
Ukubekezelela Ukuqina Kwezindonga
Ukubekezelela Ubude
Ubude obulinganiselweizolethwa ngaphakathi kokubekezelela okungu-±500 mm (20 in.).
Ukubekezelelana kweubude obungahleliwe
| Ukuqokwa kobude obungahleliwe m (ft) | Ubude obuncane m (ft) | Ubuncane Obumaphakathi Bobude Bento Ye-oda Ngayinye m (ft) | Ubude obukhulu m (ft) |
| Ipayipi elinentambo-futhi-ehlanganisiwe | |||
| 6 (20) | 4.88 (16.0) | 5.33 (17.5) | 6.86 (22.5) |
| 9 (30) | 4.11 (13.5) | 8.00 (26.2) | 10.29 (33.8) |
| 12 (40) | 6.71 (22.0) | 10.67 (35.0) | 13.72 (45.0) |
| Ipayipi elingenalutho | |||
| 6 (20) | 2.74 (9.0) | 5.33 (17.5) | 6.86 (22.5) |
| 9 (30) | 4.11 (13.5) | 8.00 (26.2) | 10.29 (33.8) |
| 12 (40) | 4.27 (14.0) | 10.67 (35.0) | 13.72 (45.0) |
| 15 (50) | 5.33 (17.5) | 13.35 (43.8) | 16.76 (55.0) |
| 18 (60) | 6.40 (21.0) | 16.00 (52.5) | 19.81 (65.0) |
| 24 (80) | 8.53 (28.0) | 21.34 (70.0) | 25.91 (85.0) |
Ukubekezelela Ukuqondisa
Ukuchezuka kokuqondisa phezu kwelonke ubude beshubhu: ≤ 0.200 L;
Ukuchezuka kokuqina kwe1.5 m (5.0 ft) ekugcineni kwepayipi lepayipi lensimbi: ≤ 3.2mm (0.125 in.).
Ukubekezelela Ukuqondisa
Ukuphela kwesikwele kuchazwa njengesikwele kuya ekugcineni kwepayipi.
Ukuphuma kwesikwele kuzoba ngu-< 1.6 mm (0.063 in.).I-out-of-squareness ilinganiswa njengegebe phakathi kokuphela kwepayipi nomlenze wokugcina wepayipi.
Ukubekezelela kwe-Weld Seam
Ubukhulu obuvumelekile beRadial Offsetye-SAW ne-COW Pipe.
| Ukuqina Kodonga Okucacisiwe t mm (ku.) | Ubukhulu obuvumelekile beRadial Offsetamm (ku.) |
| ≤ 15.0 (0.590) | 1.5 (0.060) |
| > 15.0 (0.590) kuya ku-25.0 (0.984) | 0.1t |
| > 25.0 (0.984) | 2.5 (0.098) |
| aLe mikhawulo iyasebenza naku-strip/plate end welds | |
Ukuphakama Okuvunyelwe Kwe-Weld Beadye-SAW kanye ne-COW Pipe (Ngaphandle kwase-Pipe Ends).
| Ukuqina Kodonga Okucacisiwe mm (ku.) | Weld Bead Ukuphakama mm (ku.) esiphezulu | |
| Ubuhlalu bangaphakathi | Ubuhlalu bangaphandle | |
| ≤13.0 (0.512) | 3.5 (0.138) | 3.5 (0.138) |
| >13.0 (0.512) | 3.5 (0.138) | 4.5 (0.177) |
I-weld izoba noshintsho olubushelelezi ebusweni bepayipi lensimbi eliseduze.
Amapayipi okushisela kufanele agaywe abe ubude obuyi-100 mm (4.0 in.) nobude obuyinsalela bokushisela obungu-≤ 0.5 mm (0.020 in.).
Ukubekezelela iMisa
Ipayipi ngalinye lensimbi:
a) ngepayipi losayizi wokukhanya okhethekile: -5.0% - +10.0%;
b) ngepayipi eBangeni L175, L175P, A25, kanye ne-A25P: -5.0% - +10.0%;
c) kuwo wonke amanye amapayipi: -3.5% - +10.0%.
Ipayipi ngenkatho ngayinye(≥ amathani ayi-18 (amathani angama-20) endaweni yoku-oda):
a) kumabanga L175, L175P, A25, kanye no-A25P: -3.5 %;
b) kuwo wonke amanye amabanga: -1.75 %.
Izicelo ze-API 5L GR.B
Ipayipi lensimbi le-API 5L yeBanga B wuhlobo lwepayipi likalayini, elisetshenziselwa kakhulu ukuthutha uketshezi olufana nowoyela, igesi yemvelo, namanzi, futhi ingenye yezinto ezisetshenziswa kakhulu embonini kawoyela negesi.
Amasistimu okuhambisa uwoyela negesi: Ipayipi lensimbi le-API 5L yeBanga B livame ukusetshenziswa ezindaweni zokukhipha uwoyela negesi nasezindaweni zokucubungula ukuthutha uwoyela ongahluziwe negesi yemvelo kumasistimu okuqoqa noma izindawo zokucubungula.
Amapayipi amanzi: Ukwelashwa okwengeziwe okungaphezulu, okufana nama-coatings noma ukuvala, kungase kusetshenziswe ukuze kuthuthukiswe ukumelana nokugqwala kwazo ukuze zisetshenziswe ekudlulisweni kwamanzi, okuhlanganisa ukuphakelwa kwamanzi nezinhlelo zokunisela.
Izihlungi: Ezimbonini zokucwenga, ipayipi lensimbi le-API 5L Lebanga B lisetshenziselwa ukuthutha amakhemikhali ahlukahlukene kanye nezimaphakathi ezitholakala ekuhluzweni kwe-fractional kawoyela ongahluziwe.
Ezokwakha nengqalasizinda: Embonini yezokwakha, yokwakha amabhuloho, izakhiwo zokusekela, noma amanye amaphrojekthi engqalasizinda abalulekile, ikakhulukazi lapho kudingeka khona ukuthuthwa kwamanzi okude.
API 5L Grade B Equivalent
I-ASTM A106 Ibanga B: Amashubhu ensimbi ye-carbon steel engenamthungo ngokuvamile asetshenziselwa isevisi yezinga eliphezulu lokushisa, enokwakheka kwamakhemikhali nezici zemishini ezifana kakhulu ne-API 5L Ibanga B. I-ASTM A106 Ibanga B ivamise ukusetshenziselwa ukuthutha umhwamuko wamanzi wezinga lokushisa eliphezulu, amakhemikhali, nemikhiqizo ye-petroleum.
I-ASTM A53 Ibanga B: Lolu olunye uhlobo lwepayipi yensimbi ye-carbon, engashiselwa noma ingenamthungo, futhi isetshenziswa kabanzi kumishini, ukwakhiwa, nezinye izinhlelo zokusebenza zobunjiniyela.Nakuba ngokuyinhloko isetshenziselwa izinhlelo zokusebenza ezinengcindezi ephansi nezinga lokushisa, ezinye zezinhlaka zayo zezakhiwo ziyafana ne-API 5L Ibanga B.
I-EN 10208-2 L245NB: Isetshenziselwa ukukhiqiza amapayipi okuthutha amagesi avuthayo nolunye uketshezi.I-L245NB (1.0457) iyinsimbi yepayipi lamandla amaphakathi enezakhiwo eziwumshini ezifana ne-API 5L yeBanga B.
ISO 3183 L245: Isetshenziswa ezinhlelweni zokuthutha zamapayipi embonini kawoyela negesi.I-L245 ku-ISO 3183 isondelene kakhulu nezakhiwo ku-API 5L Ibanga B futhi ingasetshenziswa ngokushintshana.
Izinkonzo Ezengeziwe Singazihlinzeka
Insimbi ye-Botopayihlinzeki nje kuphela ngepayipi lensimbi yezinga eliphezulu le-API 5L yeBanga B, kodwa futhi ikunikeza uchungechunge lwezinsizakalo ezisekelayo, okuhlanganisa nezinhlobonhlobo zezinketho zokumboza ezilwa nokugqwala, izixazululo zokupakisha eziqondene nawe, kanye nokwesekwa okuphelele kwezinto ukuze siqinisekise ukuthi singakwazi ukuhlangabezana nezinhlobonhlobo zakho. izidingo.
Sizibophezele ekwakheni inkundla yokuthola indawo eyodwa ekuvumela ukuthi ufinyelele kalula kuyo yonke imikhiqizo namasevisi owadingayo.Ngezinsizakalo zethu ezichwepheshile nezithembekile, ungaqedela zonke izinyathelo zephrojekthi yakho kahle futhi ngaphandle kokuhlupheka, uqinisekisa ikhwalithi nenqubekela phambili.Umgomo wethu uwukuba uzakwethu othembeke kakhulu.
I-Anti-corrosion Coating
Insimbi ye-Botopinikeza izinhlobonhlobo zezinketho zokumboza ukuvikela ukugqwala, okuhlanganisakupendiwe, kufakwe uthayela,I-3LPE (HDPE), 3LPP,I-FBE, kanye nezisindo zikasimende, ukuze uhlangabezane nezidingo ezahlukahlukene zokusetshenziswa kwephrojekthi yakho.
ukupakisha
Sinikeza izinhlobonhlobo zezinketho zokupakisha, kufaka phakathi amabhala, ama-tarp, amakhreyithi, namakepisi wamapayipi, angenziwa ngendlela oyifisayo ukuhlangabezana nezidingo zakho ezithile.
Ukusekela kwezobuchwepheshe
Inkampani yethu izibophezele ekuhlinzekeni ngezinsiza eziphelele zokwesekwa kwezobuchwepheshe ezihlanganisa zonke izigaba zephrojekthi.Kusukela ekulungiseni amathenda angaphambi kwephrojekthi kuya ekuthengeni okumaphakathi kwephrojekthi kanye namalungiselelo ezokuthutha, ukuya ekunakekeleni kwangemva kwephrojekthi nokuxazulula izinkinga, ithimba lethu lochwepheshe lingakunikeza izeluleko nokusekelwa kochwepheshe.
Umgomo wethu ukukusiza ukuthi uthenge imikhiqizo yekhwalithi ephezulu nethengekayo e-China, siqinisekise ukuthi iphrojekthi yakho isebenza kahle futhi ingabizi kakhulu.Sibheke ngabomvu ukusebenzisana nawe ukudala ikusasa lokuwina.
