API 5L X65 (L450)ndi API 5L sing'anga mpaka mkulu-kalasi mpweya zitsulo chitoliro, dzina lake osachepera yield mphamvu ya 65,300 psi (450 MPa).
Nthawi zambiri amapangidwa kuti athe kuthana ndi zovuta kwambiri komanso malo ovuta, chitoliro chachitsulo cha X65 chimakhala choyenera pamapaipi amafuta ndi gasi komwe kumafunika kulimba kwambiri komanso kudalirika.Kuphatikiza apo, makina ake abwino kwambiri komanso kukana kwa dzimbiri kumapangitsa kuti ikhale yabwino kugwiritsidwa ntchito m'mapaipi apansi pa nyanja komanso m'malo owononga kwambiri mafakitale.
Botop Steelndi katswiri wopanga wandiweyani-mipanda lalikulu-m'mimba mwake awiri amaganiza kumizidwa arc LSAW zitsulo chitoliro ili mu China.
Malo: Mzinda wa Cangzhou, Chigawo cha Hebei, China;
Ndalama Zonse: 500 miliyoni RMB;
Factory dera: 60,000 lalikulu mamita;
Kuthekera kwapachaka: matani 200,000 a mapaipi achitsulo a JCOE LSAW;
Zida: Zida zamakono zopangira ndi kuyesa;
Specialization: LSAW zitsulo kupanga chitoliro;
Chitsimikizo: API 5L yovomerezeka.
API 5L X65 Gulu
Kutengera mulingo wa PSL ndi momwe amaperekera, X65 ikhoza kugawidwa motere:
PSL1: X65 (L450);
PSL2: X65Q (L450Q) ndi X65M (L450M);
Kuti muthe kuthana ndi zovuta zakunyanja (O) komanso malo ochitira masewera olimbitsa thupi (S), mulingo wa API 5L PSL2 uli ndi zofunikira zapadera pamagawo onse awiri.Zofunikira izi zikuwonetsedwa ndi kuwonjezera kalata yeniyeni ku kalasi ya chitoliro.
Offshore services PSL2 chitoliro:X65QO (l450QO) kapena X65MO (L450MO);
Wowawasa utumiki PSL2 chitoliro:X65QS (L450QS) kapena X65MS (L450MS).
Zoyenera Kutumizira
Tanthauzo la Q ndi M
ZaSAW(Arc Wowotchedwa) kapenaNG'OMBE(Combination Welded Pipe), Q ndi M mumayendedwe a API 5L PSL2 zimagwirizana ndi njira zopangira zotsatirazi.
API 5L X65 Manufacturing Process
x65mapaipi amatha kupangidwa kudzera m'njira zosiyanasiyana zopangira kuti zigwirizane ndi ntchito zambiri zaumisiri.
Mtengo wa SAWL(LSAW) ndi yabwino popanga machubu okhala ndi mainchesi akulu, okhala ndi mipanda yokhala ndi mainchesi opitilira 660 mm, makamaka pamtengo pomwe amapereka phindu lamtengo wapatali pamachubu opanda msoko.
Mtengo wa LSAWimatchedwanso nthawi zambiriChithunzi cha DSAWchifukwa cha kuwotcherera mbali ziwiri zomwe zimagwiritsidwa ntchito powotcherera.Ndikofunika kuzindikira kuti DSAW imatanthawuza njira yowotcherera ndipo sikutanthauza mawonekedwe kapena njira ya weld.Itha kukhala msoko wowongoka kapena seam yozungulira.
Mitundu Yotsiriza ya Pipe ya API 5L X65
PSL1 Mapeto a Pipe Yachitsulo: Mapeto a belled kapena Plain end;
PSL2 Mapeto a Paipi Yachitsulo: Mapeto osavuta;
Kwa malekezero a chitolirozotsatirazi ziyenera kutsatiridwa:
Nkhope zomalizira za t ≤ 3.2 mm (0.125 mu) chitoliro chakumapeto chiyenera kukhala chodulidwa.
Machubu osawoneka bwino okhala ndi t> 3.2 mm (0.125 mu) adzakulungidwa powotcherera.Mbali ya bevel iyenera kukhala 30-35 ° ndipo m'lifupi mwake muzu wa bevel uyenera kukhala 0.8 - 2.4 mm (0.031 - 0.093 mkati).
API 5L X65 Chemical Composition
Mankhwala a PSL1 ndi PSL2 chitoliro chachitsulo t> 25.0 mm (0.984 mu) chidzatsimikiziridwa ndi mgwirizano.
Mapangidwe a Chemical a PSL 1 Pipe yokhala ndi t ≤ 25.0 mm (0.984 mu.)
Mapangidwe a Chemical a PSL 2 Pipe yokhala ndi t ≤ 25.0 mm (0.984 mu.)
Pakuti PSL2 zitsulo chitoliro mankhwala kusanthula ndimpweya wa carbon ≤0.12%, mpweya wofanana ndi CEpcmzitha kuwerengedwa pogwiritsa ntchito njira iyi:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Pakuti PSL2 zitsulo chitoliro mankhwala kusanthula ndimpweya wa carbon> 0.12%, mpweya wofanana ndi CEllwzitha kuwerengedwa pogwiritsa ntchito fomula ili pansipa:
CEllw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
API 5L X65 Mechanical Properties
Tensile Properties
Kuyesa kwamphamvu kumalola kutsimikizika kwazinthu zazikulu za zida za X65, kuphatikizaperekani mphamvu, kulimba kwamakokedwe,ndielongation.
PSL1 X65 Tensile Properties
PSL2 X65 Tensile Properties
Zindikirani: Zofunikira zafotokozedwa mwatsatanetsatane muAPI 5L X52, yomwe ingathe kuwonedwa ngati ikufunika.
Zoyesera Zina Zamakina
Pulogalamu yoyeserera yotsatirayi ikugwira ntchito kwaMitundu ya mapaipi a SAW.Pamitundu ina ya mapaipi, onani Table 17 ndi 18 ya API 5L.
Weld Guide kupinda mayeso;
Kuzizira-kupangidwa welded chitoliro kuuma mayeso;
Kuyang'ana kwakukulu kwa msoko wowotcherera;
ndipo kokha kwa PSL2 zitsulo chitoliro: CVN zotsatira mayeso ndi DWT mayeso.
Kuyesedwa kwa Hydrostatic
Nthawi Yoyesera
Miyezo yonse yamachubu achitsulo opanda msoko ndi otsekemera okhala ndi D ≤ 457 mm (18 in.):nthawi yoyesera ≥ 5s;
Chitoliro chachitsulo chowotcherera D> 457 mm (18 in.):nthawi yoyesera ≥ 10s.
Kuyeserera pafupipafupi
Chitoliro chilichonse chachitsulo.
Zovuta zoyesa
Kuthamanga kwa hydrostatic test P achitoliro chachitsulo chosamveka bwinoikhoza kuwerengedwa pogwiritsa ntchito fomula.
P = 2St/D
Sndi hoop stress.mtengowo ndi wofanana ndi mphamvu zokolola zochepa za chitoliro chachitsulo ngati peresenti, mu MPa (psi);
tndi makulidwe otchulidwa khoma, owonetsedwa mu millimeters ( mainchesi);
Dndi m'mimba mwake wotchulidwa kunja, wowonetsedwa mu millimeters ( mainchesi).
Nondestructive Inspection
Kwa machubu a SAWnjira ziwiri,UT(kuyesa kwa ultrasonic) kapenaRT(kuyesa kwa radiographic), nthawi zambiri amagwiritsidwa ntchito.
ET(kuyesa kwamagetsi) sikugwira ntchito ku machubu a SAW.
Zowotcherera pamapaipi opangidwa ndi giredi ≥ L210/A ndi mainchesi ≥ 60.3 mm (2.375 mu) aziyang'aniridwa mopanda kuwononga makulidwe onse ndi kutalika (100 %) monga zafotokozedwera.
UT mayeso osawononga
RT kufufuza kosawononga
Tchati cha Ndondomeko ya Chitoliro cha API 5L
Mapaipi a API 5L amagawidwa mu "Mandandanda" osiyanasiyana malinga ndi makulidwe osiyanasiyana a khoma, mongaNdandanda 20, Ndandanda 40, Ndandanda 80, etc. Makulidwe a khoma awa amafanana ndi kukakamiza kosiyanasiyana ndi zochitika zogwiritsira ntchito.Makulidwe a khoma awa amafanana ndi kukakamiza kosiyanasiyana komanso zochitika zantchito.
Kuti muwone mosavuta ndikugwiritsa ntchito, tapanga ndandanda yoyenera mafayilo a PDF.Mutha kutsitsa ndikuwonera zolemba izi ngati pakufunika.
Tchulani Diameter Yakunja ndi Makulidwe a Khoma
Miyezo yokhazikika ya ma diameter akunja ndi makulidwe a khoma la chitoliro chachitsulo amaperekedwaISO 4200ndiASME B36.10M.
Dimensional Tolerances
Zofunikira za API 5L pakulolerana kwazithunzi zafotokozedwa mwatsatanetsataneAPI 5L Gulu B.Kuti mupewe kubwereza, mutha kudina font yabuluu kuti muwone tsatanetsatane.
Mapulogalamu
Chitoliro chachitsulo cha API 5L X65 ndi chitoliro chachitsulo champhamvu kwambiri chomwe chimagwiritsidwa ntchito makamaka m'makampani amafuta ndi gasi, makamaka pamapaipi otumizira mtunda wautali komanso ntchito zopanikizika kwambiri.
Mapaipi oyendera mtunda wautali: Nthawi zambiri amagwiritsidwa ntchito pamapaipi oyendera mafuta ndi gasi mtunda wautali, mapaipiwa amayenera kupirira kupanikizika kwambiri komanso kuopsa kwa chilengedwe.
Kuwoloka mapaipi: Kumene mapaipi amafunikira kuwoloka mitsinje, mapiri, kapena zopinga zina, mphamvu yayikulu ya API 5L X65 chitoliro chachitsulo imapangitsa kuti ikhale yabwino.
Offshore nsanja: Pochotsa mafuta ndi gasi m'mphepete mwa nyanja, amagwiritsidwa ntchito polumikiza pobowola kumtunda kapena kusamutsa ma hydrocarbon pakati pa malo akunyanja.
Machitidwe a mapaipi a mafakitale: Amagwiritsidwa ntchito mu petrochemicals, refineries, ndi mafakitale ena kunyamula zinthu zosiyanasiyana, monga mafuta osakhazikika, gasi, zopangira mankhwala, etc.
Zofanana za X65
Zofananira za API 5L X65 nthawi zambiri zimatanthawuza zida zachitsulo zokhala ndi mankhwala ofanana, zida zamakina, ndi ntchito, zotsatirazi ndi zina mwazinthu zofananira ndi magiredi:
ISO 3183: L450;
EN 10208-2: L450MB;
JIS G3454: STPG450;
DNV OS-F101: S450;
Mtundu Wathu Wopereka
Standard: API 5L kapena ISO 3183;
PSL1: X65 kapena L450;
PSL2: X65Q, X65M kapena L450Q, L450M;
Mtundu wa Chitoliro: Chitoliro cha Chitsulo cha Carbon Welded;
Njira Yopangira: LSAW, SAWL kapena DSAW;
Kunja Kunja: 350 - 1500;
Makulidwe a khoma: 8 - 80mm;
Utali: Utali pafupifupi kapena utali wachisawawa;
Mayendedwe a Chitoliro: SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140 ndi SCH160.
Chizindikiritso: STD, XS, XXS;
Kupaka: Paint, varnish, 3LPE, FBE, 3LPP, HDPE, malata, epoxy zinc-rich, simenti yolemera, etc.
atanyamula: Madzi nsalu, matabwa mlandu, zitsulo lamba kapena zitsulo waya bundling, pulasitiki kapena chitsulo chitoliro mapeto mtetezi, etc. Mwamakonda.
Zogulitsa Zofananira: Ma bend, ma flanges, zopangira mapaipi, ndi zinthu zina zofananira zilipo.
