II-API 5Lamagama ajwayelekile amashubhu asuselwa kumandla awo amancane esivuno.Ngakho-ke,I-X52 (L360) inamandla amancane okukhiqiza angu-52,200 psi (360 MPa).
X52=L360, izindlela ezimbili zokuveza izinga lepayipi elifanayo ku-API 5L ejwayelekile.
X52iyibanga eliphakathi nendawo ku-API 5L, ehlanganisa amandla aphezulu nomnotho.Isetshenziswa kakhulu ekuthuthweni kukawoyela negesi, amaphrojekthi wokwakha, amapayipi angaphansi kolwandle, njll.
Insimbi ye-Botopingumkhiqizi ochwepheshe wepayipi lensimbi elinezindonga eziwugqinsi elinezinhlangothi ezimbili elingaphansi kwe-arc LSAW elitholakala eChina.
1. Indawo: Idolobha laseCangzhou, Isifunda saseHebei, eChina;
2. Isamba sokutshalwa kwezimali: 500 million RMB;
3. Indawo yefekthri: 60,000 square metres;
4. Amandla okukhiqiza ngonyaka: amathani angama-200,000 amapayipi ensimbi e-JCOE LSAW;
5. Izinsiza: Ukukhiqiza okuthuthukile kanye nemishini yokuhlola;
6. Ubuchwepheshe: Ukukhiqizwa kwepayipi lensimbi ye-LSAW;
7. Isitifiketi: I-API 5L iqinisekisiwe.
I-API 5L X52 Ukuhlelwa
Ngokuya ngezinga le-PSL nesimo sokulethwa, i-X52 ingahlukaniswa ngale ndlela elandelayo:
I-PSL1: X52;
I-PSL2:I-X52N noma i-L360N;I-X52Q noma i-L360Q;I-X52M noma i-L360M.
Ku-PSL2, uhlamvu lwesijobelelo lubhekisela ohlotsheni lokwelashwa kokushisa impahla okufanele ifakwe kukho ngaphambi kokulethwa kokugcina.Ungabona i-izimo zokulethwangezansi ukuze uthole imininingwane eyengeziwe.
Imibandela Yokulethwa
Izinto Zokuqala
Ama-ingots, ama-blooms, ama-billet, amakhoyili, noma amapuleti.
Ngepayipi le-PSL 2, insimbi izobulawa futhi yenziwe ngokulandela okusanhlamvu okuhle.
Ikhoyili noma ipuleti elisetshenziselwa ukwakhiwa kwepayipi le-PSL 2 akufanele liqukathe noma yikuphi ukushisela okukhanda.
I-API 5L X52 Inqubo Yokukhiqiza
Amashubhu e-X52 angakhiqizwa kusetshenziswa izinqubo ezihlukahlukene zokukhiqiza amashubhu ukuhlangabezana nezidingo zobunjiniyela ezihlukene.
Ukuze uthole ulwazi oluthe xaxa mayelana nencazelo yegama elithi Manufacturing Process,Chofoza lapha.
SAWLyisixazululo esiphezulu seenobubanzi obukhulu, enodonga oluwugqinsiamapayipi ensimbi.
Imigomo "SAWL"futhi"I-LSAW" kokubili kubhekisela ku-Longitudinal Submerged Arc Welded, kodwa kubhekiselwa kuyo ngendlela ehlukile ezifundeni ezihlukene. Ngokuphambene, igama elithi "LSAW" lisetshenziswa kakhulu embonini.
Ipayipi lensimbi lingabuye libizwe ngokuthiI-DSAWngenxa yenqubo yokushisela i-arc enezinhlangothi ezimbili ezingaphansi kwamanzi esetshenziswa ekukhiqizeni ipayipi.
Kufanele kuqashelwe ukuthi i-DSAW ibhekisa kuhlelo lokushisela, ngakho-ke ekusebenzeni, kungaba yi-LSAW nomaHSAW(SSAW) ipayipi lensimbi.
Ipayipi le-LSAW lingase lishiselwe kabili ngenxa yokulinganiselwa kwemishini ekukhiqizeni ipayipi elinobubanzi obukhulu, futhi amashisela kufanele ahlukane cishe ngo-180 °.
Izinhlobo ze-Pipe End ye-API 5L X52
PSL1 Steel Pipe End: Belled end noma Plain end;
PSL2 Steel Pipe End: Plain end;
Ukuze uthole iziphetho zepayipi elingenalutholezi zidingo ezilandelayo kufanele zilandelwe:
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 X52 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
I-API 5L X52 Mechanical Properties
I-Tensile Properties
Ukuhlolwa kwe-tensile kukala amapharamitha amathathu abalulekile:veza amandla, amandla aqinile, futhiubude.
PSL1 X52 Tensile Properties
Izakhiwo ze-PSL2 X52 Tensile
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).
Okunye Ukuhlolwa Kwemishini
Uhlelo olulandelayo lokuhlola lusebenza kuIzinhlobo zamapayipi e-SAW.Ukuze uthole ezinye izinhlobo zamapayipi, bheka Amathebula 17 no-18 we-API 5L.
Ukuhlolwa kokugoba komhlahlandlela we-weld;
Ukuhlolwa kokuqina kwepayipi elihlanganisiwe elibandayo;
Ukuhlolwa kwe-Macro ye-seam ehlanganisiwe;
futhi kuphela ipayipi lensimbi le-PSL2: ukuhlolwa komthelela we-CVN nokuhlolwa kwe-DWT.
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.
Imvamisa Yokuhlola
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);
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
Ukulinganisa Okubandayo kanye Nokwanda Okubandayo
Ukulinganisa okubandayo nokunwetshwa okubandayo izindlela ezimbili ezivamile zokucubungula ezisetshenziswa ekukhiqizeni amashubhu e-LSAW ukuze kuqinisekiswe ukuthi amashubhu afinyelela ubukhulu obunembile kanye nezakhiwo zemishini.Zombili izinqubo ziyizinqubo zokusebenza ezibandayo, lapho ukwakheka nobukhulu beshubhu kulungiswa ekamelweni lokushisa.
Isilinganiso sokulinganisa seukwanda okubandayoamashubhu akufanele abe ngaphansi kuka-0.003 futhi akufanele abe makhulu kuno-0.015.
Izinga lokulinganisa leusayizi obandayoipayipi lensimbi akufanele libe likhulu kuno-0.015, ngaphandle kwalezi zimo ezilandelayo:
a) Ipayipi libuye libe ngokwejwayelekile noma licinywe futhi liyashiswa;
b) Wonke amashubhu ensimbi anosayizi obandayo ayasuswa ukucindezeleka.
Cacisa Ububanzi Bangaphandle Nokuqina Kodonga
Amanani amisiwe obubanzi obucacisiwe bangaphandle kanye nogqinsi olucacisiwe lwezindonga zepayipi lensimbi kunikezwaISO 4200futhiI-ASME B36.10M.
I-Dimensional Tolerances
Sicela uchofoze ifonti eluhlaza okwesibhakabhaka kwesokudla ukuze ubuke ukubekezelelwa kobukhulu, izidingo zibalwe ku-I-API 5L Ibanga Bukuze uthole imininingwane.
Izicelo ze-API 5L X52
Ipayipi yensimbi ye-API 5L X52 isetshenziswa kabanzi ezinhlelweni ezimbalwa ezibucayi ngenxa yezakhiwo zayo ezinhle kakhulu zemishini kanye nekhono lokuzivumelanisa nezimo eziyinkimbinkimbi.
Ukuthutha uwoyela negesi: Lesi ngesinye sezinhlelo zokusebenza ezivame kakhulu ze-API 5L X52.Isetshenziselwa ikakhulukazi amapayipi okuthutha uwoyela negesi amabanga amade, ikakhulukazi uma kunomfutho wangaphakathi ophezulu.
Ezokwakha nengqalasizinda: Ingasetshenziswa ukwakha izakhiwo zokusekela amabhuloho nezakhiwo.Ingasetshenziswa futhi ekwenzeni izinsimbi noma ezinye izakhiwo ezithwala imithwalo, ikakhulukazi lapho kudingeka khona ama-span amade noma amandla aphezulu okuthwala umthwalo.
Amapayipi olwandle: Amaphrojekthi wamapayipi angaphansi kolwandle anesidingo esithile samapayipi amelana nokugqwala futhi anamandla amakhulu, futhi i-API 5L X52 iyahamba phambili kulokhu.Imelana namanzi olwandle futhi igcina ubuqotho nokusebenza kwepayipi, okulenza libe lilungele ukuxhuma kwimithombo yasolwandle kawoyela negesi.
I-Supply Range yethu
Okujwayelekile: API 5L;
I-PSL1: X52 noma L360;
I-PSL2: X52N, X52Q, X52M noma L360N, L360Q, L360M;
Uhlobo Lwepayipi: Ipayipi Lensimbi Ye-Carbon Eshiselwe;
Inqubo Yokukhiqiza: I-LSAW, SAWL noma i-DSAW;
Ububanzi bangaphandle: 350 - 1500;
Ukuqina Kwezindonga: 8 - 80mm;
Ubude: Ubude obulinganiselwe noma ubude obungahleliwe;
Amashejuli wamapayipi: SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140 kanye ne-SCH160.
Ukuhlonza: STD, XS, XXS;
Ukumboza: Upende, ukuvenisha, 3LPE, FBE, 3LPP, HDPE, uthayela, i-epoxy zinc-rich, usimende esindayo, njll.
Ukupakisha: Indwangu engangeni manzi, ikesi lokhuni, ibhande lensimbi noma ibhande lensimbi, ipulasitiki noma isivikelo sepayipi lensimbi, njll. Ngokwezifiso.
Imikhiqizo Ematanisa: Amagobe, ama-flange, izifakelo zamapayipi, neminye imikhiqizo ehambisanayo iyatholakala.
