API 5L X42, inozivikanwawo seL290, imhando yepombi yemuchina inoshandiswa muindasitiri yemafuta negesi.
Hunhu hwezvinhusimba shoma rekubudirira kwe42,100 psi(290 MPa) uyesimba rekudhonza diki re60,200 psi(415 MPa). Yakakwira negiredhi rimwe chete kupfuura API 5L Giredhi B uye yakakodzera kushandiswa nesimba repakati.
X42 inowanzogadzirwa muSeamless, SSAW, LSAW, uye ERW. Mapendi nependi zvinogadzirwa zviripo kuti zvienderane nezvinodiwa zvekushandisa.
Mamiriro Ekutumira
Zvichienderana nemamiriro ekutumira uye huwandu hwePSL, inogona kugoverwa muzvikamu zvinotevera:
PSL1: X42 kana L290;
PSL2: X42R, X42N, X42Q, X42M kana L290R, L290N, L290Q, L290M;
Mabhii ePSL2 suffix rimwe nerimwe rinomiririra kurapwa kwakasiyana kwekupisa.
R: Yakakungurutswa;
N: Kugadzirisa zvinhu;
Q: Yakadzimwa uye Yakadzikama;
M: Kurapa nekushandisa michina.
Maitiro Ekugadzira
X42 inobvumira maitiro ekugadzira anotevera:
Kana zvipfupiso izvi zvakaoma kunzwisisa, tarisa muunganidzwa wedu wezvinyorwa pamusoro pezvipfupiso zvakajairika zvemapaipi esimbi.
Botop Steel inogona kukupa saizi dzakasiyana dzemapaipi sezvakaratidzwa mutafura iri pazasi.
Rudzi Rwedu rweKupa
Standard: API 5L (ISO 3183);
PSL1: X42 kana L290;
PSL2: X42R, X42N, X42Q, X42M kana L290R, L290N, L290Q, L290M;
Pombi yesimbi yakasungirirwa:LSAW(SAWL), SSAW (HSAW), DSAW, ERW;
Pombi yesimbi isina musono:SMLS;
Zvirongwa zveMapombi: SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140 uye SCH160.
Kuzivikanwa: STD (Standard), XS (Yakasimba Zvakanyanya), XXS (Yakasimba Zvakanyanya Kaviri);
Kupenda: Pendi, varnish,3LPE, FBE, 3LPP, HDPE, galvanized, epoxy-rich-zinc, simende yakayerwa, nezvimwewo.
Kurongedza: Jira risingapindi mvura, bhokisi rehuni, bhandi resimbi kana waya yesimbi, chidziviriro chepurasitiki kana simbi, nezvimwewo. Zvakagadzirirwa.
Zvigadzirwa Zvinoenderana: Mabhendi,flanges, zvinhu zvekubatanidza mapaipi, nezvimwe zvinhu zvinoenderana nazvo zviripo.
Kuumbwa kweMakemikoro eAPI 5L X42
Kuumbwa kweMakemikoro ePSL 1 Pombi ine t ≤ 25.0 mm (0.984 in.)
Kuumbwa kweMakemikoro ePSL 2 Pombi ine t ≤ 25.0 mm (0.984 in.)
Pazvigadzirwa zvemapaipi esimbi zvePSL2 zvakaongororwa nehuwandu hwekabhoni hwe ≤0.12%, iyo yakaenzana nekabhoni CEpcminogona kuverengerwa uchishandisa fomura inotevera:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Pazvigadzirwa zvemapaipi esimbi zvePSL2 zvakaongororwa nehuwandu hwekabhoni > 0.12%, iyo yakaenzana nekabhoni CEllwinogona kuverengerwa uchishandisa fomura iri pazasi:
CEllw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
Kuumbwa kweMakemikoro ne t ＞ 25.0 mm (0.984 in.)
Izvi zvinogona kutaurwa nekutarisa makemikari ari pamusoro apa.
Zvimiro zveMichina zveAPI 5L X42
Zvivakwa zveKusimba
Kuedza kwekudhonza ibvunzo huru yehunhu hwemachubhu esimbi, ayo anokwanisa kuyera simba rekugadzira, simba rekudhonza, uye maparamita akakosha ekureba.
Simba reX42 rinosvika 42,100 psi kana 290 MPa.
Simba rekudhonza reX42 i60,200 psi kana 415 MPa.
Zvivakwa zvePSL1 X42 zveTensile
Zvivakwa zvePSL2 X42 zveTensile
Cherechedza: Zvinodiwa zvakatsanangurwa muchikamu cheMechanical Properties cheAPI 5L X52, iyo inogona kuonekwa nekudzvanya pane fonti yebhuruu kana uchifarira.
Zvimwe Zviedzo zveMichina
Bvunzo reKukombama
Muedzo weKubata-bata
Muedzo weKukombama Unotungamirirwa
Kuedzwa kweCVN Impact yePSL 2 Pipe
Kuedzwa kweDWT kwePSL 2 Welded Pipe
Ehe, haasi machubhu ese anofanira kuongororwa kuti aonekwe kuti ane hunhu hwakakwana hwemakanika here, asi bvunzo dzinosarudzwa zvichienderana nerudzi rwechubhu. Zvinodiwa chaizvo zvinowanikwa muTafura 17 ne18 yeAPI 5L standard.
Munogonawo kutibata kuti muwane ruzivo urwu.
Kuedzwa kweHydrostatic
Nguva Yekuyedza
Saizi dzese dzemachubhu esimbi asina musono uye akasungirirwa ane D ≤ 457 mm (18 in.):nguva yekuedza ≥ masekondi mashanu;
Pombi yesimbi yakasungirirwa D > 457 mm (18 in.):nguva yekuedza ≥ masekondi gumi.
Kuwanda kwekuyedza
Pombi imwe neimwe yesimbiuye hapafanire kuva nekubuda kwemvura kubva mumuviri we weld kana pombi panguva yekuedzwa.
Kumanikidzwa kwekuyedza
Kumanikidzwa kwekuyedza kwehydrostatic P kwe apombi yesimbi isina magumoinogona kuverengerwa uchishandisa fomura.
P = 2St/D
Sndiko kumanikidzwa kwehoop. kukosha kwakaenzana nesimba repasi rose repaipi yesimbi ye xa percentage, muMPa (psi);
tukobvu hwemadziro hwakatarwa, hunoratidzwa nemamilimita (mainji);
Dndiyo dhayamita yekunze yakatarwa, inoratidzwa mumamirimita (mainchi).
Kuongorora Kusingaparadzi
Zvemachubhu eSAW, nzira mbiri,UT(kuyedzwa kwe ultrasonic) kanaRT(kuongorora kweX-ray), kunowanzo shandiswa.
ET(kuyedzwa kwemagetsi) hakushandi pamachubhu eSAW.
Misono yakasungirirwa pamapombi akasungirirwa emhando yepamusoro ≥ L210/A uye dhayamita ≥ 60.3 mm (2.375 in) inofanira kuongororwa pasina kuparadza ukobvu hwakazara nehurefu (100%) sezvakatsanangurwa.
Kuongororwa kweUT kusingaparadze
Kuongorora kweRT kusingaparadze
Machubhu ese asina musono ePSL 2, uye machubhu asina musono akadzima uye akapfava ePSL1 Grade B, anofanira kuongororwa zvizere (100%) kuti asaparadze.
Imwe kana musanganiswa weET (Electromagnetic Testing), UT (Ultrasonic Testing), uye MT (Magnetic Particle Testing) zvinogona kushandiswa paNDT.
Kushivirira kwehukuru
Zvinodiwa zveAPI 5L zvekutsungirira kwezvikamu zvakatsanangurwa muAPI 5L Giredhi BKuti usadzokorora, unogona kudzvanya pane fonti yebhuruu kuti uone ruzivo rwakakodzera.
Chati Yepurogiramu Yemapaipi eAPI 5L
Kuti zvive nyore kuona nekushandisa, takaronga mafaira ePDF akakodzera. Unogona kudhawunirodha uye kuona magwaro aya kana zvichidikanwa.
Pamusoro pezvo, API 5L inotsanangura dhayamita yekunze inobvumidzwa uye ukobvu hwemadziro hwakatarwa.
Kushivirira kwehukuru
Zvinodiwa zveAPI 5L zvekutsungirira kwezvikamu zvakatsanangurwa muAPI 5L Giredhi BKuti usadzokorora, unogona kudzvanya pane fonti yebhuruu kuti uone ruzivo rwakakodzera.
Zvigadzirwa Zvedu Zvakabatana
API 5L PSL1 & PSL2 GR.B Longitudinal Submerged-arc Welded Pipe
Magadzirirwo emapaipi esimbi e API 5L X52 kana L360 LSAW Welded Steel
Magadzirirwo emapaipi eAPI 5L X60 kana L415 LSAW Welded Line
Magadzirirwo emapaipi eAPI 5L X65 neL450 LSAW Welded Line
Magadzirirwo emapaipi eAPI 5L X70 kana L485 LSAW Welded Line
Kubva payakavambwa muna 2014,Simbi yeBotopyava mutengesi anotungamira wemapaipi esimbi yekabhoni kuChamhembe kweChina, inozivikanwa nebasa rakanaka kwazvo, zvigadzirwa zvemhando yepamusoro, uye mhinduro dzakakwana.
Kambani iyi inopa mapaipi akasiyana-siyana esimbi yekabhoni nezvimwe zvigadzirwa zvinoenderana nazvo, zvinosanganisira mapaipi esimbi asina musono, ERW, LSAW, uye SSAW, pamwe chete nehurongwa hwakazara hwemapipi nemaflange. Zvigadzirwa zvayo zvehunyanzvi zvinosanganisirawo alloys dzemhando yepamusoro nesimbi dzisina ngura dzinogadzirwa neaustenitic, dzakagadzirirwa kusangana nezvinodiwa nemapurojekiti akasiyana-siyana emapaipi.
