API 5L X65 Welded Line Pipe

M'banja la API 5L,X65nthawi zambiri amasankhidwa pamene opanga akufuna kuthamanga kwambiri komanso kutumizirana matali-pamtunda wautali, komabe amafunikira giredi yomwe imatha kuwotcherera ndikuyika bwino pamalopo. Imatchulidwa kwambiri pamizere yamafuta osalimba ndi gasi, mapaipi otumizira kunja kwanyanja, mitsinje yapakati ya gasi ndi mitu yayikulu-pamalo oponderezedwa pomwe X52/X60 imakhala yothina pakhoma{5}}macheke, pomwe X70/X80 ingawonjezere zinthu zosafunikira komanso zovuta zowotcherera.

X65 ikasankhidwa, chisankho chotsatira nthawi zambiri chimakhalamawonekedwe azinthu: ERW/HFW, LSAW/SAWL kapena SSAW/SAWH. Chisankho chimenecho chimadalira mmene mzerewo udzamangidwire - mowoloka m'mphepete mwa nyanja, kuwoloka misewu/mitsinje, osaya-madzi S-osaya kapena akuya-madzi J-ayala - ndi zokutira zakunja ndi zamkati zofunika pa ntchitoyi.

GuluX65imafotokozedwa muAPI 5L(zogwirizana kwambiri ndiISO 3183), mulingo waukulu wa chitoliro chopanda msoko ndi chowotcherera chomwe chimagwiritsidwa ntchito pamapaipi oyendera pamakampani amafuta ndi gasi. Matchulidwe monga "X65M" kapena "X65Q" amawonetsa mphamvu zonse komanso momwe amaperekera:

• X65 (PSL1)- kalasi ya chitoliro choyambira
• X65M (PSL2)- thermo-yokonzedwa mwamakina, yolimba kwambiri
• X65Q (PSL2)- wozimitsidwa ndi kupsya mtima chifukwa cha ntchito yovuta kwambiri

Pazigawo zanjira zomwe zimaonedwa kuti ndizofunika kwambiri - monga kuwoloka kosamala zachilengedwe ndiutumiki wakunyanjamizere yotumiza kunja - zomwe nthawi zambiri zimafunikiraPSL2 X65chifukwa chakuwongolera kwake kwa chemistry, kuyezetsa kovomerezeka kovomerezeka komanso zolembedwa zambiri. Seamless X65 ndiyololedwa ndi muyezo, koma mapaipi akulu-atali ndi aatali-atali omwe amasankhidwa nthawi zambiri.kuwotcherera X65kulinganiza mphamvu, weld quality ndi mtengo wa polojekiti.

Mu API 5L system,X65ikufanana ndi mphamvu yotsika yotsika (SMYS) ya65,000 psi (≈ 450 MPa). Mtengowo umapita molunjika kukhoma-kukhuthala ndi makulidwe mu ASME B31.4, B31.8 ndi ma code ofanana.

Tebulo 1 - Zomwe zimapangidwira pang'ono (zofotokozera):

Powerengera mapangidwe, SMYS imachulukitsidwa ndi kapangidwe kake kuti ipatse kupsinjika kovomerezeka kwa hoop, ndipo izi zimayika kukakamiza kopitilira muyeso.SMTSimapereka malire owonjezera motsutsana ndi kulephera komaliza pamene kupanikizika kwamkati kumaphatikizidwa ndi kupindika, zotsatira za kutentha ndi katundu wakunja.Elongationndizofunikira pakumanga ndi kugwira ntchito, chifukwa zimasonyeza momwe chitoliro chingalolere kupindika, kumangiriza-zomangira, kubweza mmbuyo ndi kuyenda{1}kwanthawi yaitali popanda kusweka.

Kwa PSL2 X65, zolemba za polojekiti nthawi zambiri zimatchulaMayeso a Charpy V-notch impactpa kutentha komwe kumadziwika, komanso, pakhoma lochindikala kapena{0}}mizere yotsika,Mtengo wa DWTT(siyani-kuyesa misozi) kuti muthandizire kuwunika kowongolera kusweka.

Kuti mufikire mphamvu ya X65 osapangitsa kuwotcherera kukhala kovuta kwambiri, kalasiyo imadalira chemistry yoyenera m'malo mokhala ndi aloyi wapamwamba kwambiri. Mpweya, manganese ndi microalloying zinthu zimasinthidwa palimodzi kuti zikwaniritse zolinga zamphamvu ndi zolimba, pomwe phosphorous ndi sulfure ndizochepa kuteteza weld ndi HAZ ntchito.

Tebulo 2 - Mipangidwe yofananira ya chitoliro cha X65 chowotcherera (zotengera):

Kuchokera kumalingaliro aukadaulo:

• Mpweya (C)imapereka mphamvu zoyambira koma ziyenera kusungidwa pamalo omwe amasunga mpweya wofanana (CE) woyenera kuwotcherera kumunda.
• Manganese (Mn)imathandizira kulimba komanso kutsika-kutentha kolimba.
• Phosphorus (P) ndi sulfure (S)amachepetsedwa mu PSL2 kuti achepetse khalidwe lachibwibwi, makamaka pozungulira ma welds ndi HAZ.
• Niobium, vanadium ndi titaniyamu (Nb/V/Ti)pang'onopang'ono yeretsani kukula kwa tirigu ndikuthandizira kukwaniritsa zofunikira pama projekiti ovuta kwambiri.

Kwa madera ozizira kapena ntchito zam'mphepete mwa nyanja m'madzi akuya kapena otsika-otentha kwambiri, tsatanetsatane wa pulojekitiyi ukhoza kuonjezera malire a CE ndi ma microalloy totals kuti apereke malire owonjezera pa kuwotcherera ndi kuthyoka.

Pogwira ntchito, zokambirana sizimangokhala za "X65 zitsulo", koma zaX65 chitoliro chopangidwa ndi ndondomeko yeniyeni, chilichonse chimakhala ndi mainchesi ake, -kuchuluka kwa khoma ndi mtengo wake.

ERW / HFW (Zapamwamba-Zowotcherera):

• Amapangidwa kuchokera ku kotentha-kugudubuzika kozungulira komwe kumang'ambika, kupangidwa mozungulira ndi kumangirizidwa motsatira msoko.
• Zofala kwa ma diameter ang'onoang'ono ndi apakatikati okhala ndi makulidwe olimba a khoma pamapaipi akumtunda ndi mapaipi a station.
• Weld seam quality imayang'aniridwa ndi NDT pa intaneti; pamapulojekiti a PSL2, positi{1}}mankhwala otenthetsera a weld mu weld ndi HAZ angatchulidwe.

LSAW / SAWL (Longitudinal SAW):

• Amapangidwa kuchokera ku mbale pogwiritsa ntchito UOE kapena JCO kupanga, kutsatiridwa ndi ma welds amkati ndi akunja omira.
• Zoyenera kuma diameter akulu ndi makoma okhuthalazimafunika{{0}pamizere yapakatikati ndi mapaipi otumiza kunja.
• Zodziwika bwino zimaphatikizapo-body UT ndi/kapena RT, komanso kupsinjika-kuchepetsa kutentha kwa zigawo zolemera.

SSAW / SAWH (Spiral SAW):

• Amapangidwa kuchokera ku koyilo pamakona a helical ndikuwotcherera mbali zonse ndi njira zomizidwa ndi arc.
• Zokopa pomwe ma diameter akulu ndi kugwiritsa ntchito koyilo ndizofunikira zoyendetsa mtengo.
• Msoko wowotcherera wozungulira umawunikidwa kutalika kwake, nthawi zambiri ndi UT ndipo, ngati pakufunika, RT.
• API 5L imalola X65 yopanda msoko komanso yowotcherera, koma pamapaipi apamwamba kwambiri-a kumtunda ndi akunyanja,kuwotcherera X65imakondedwa chifukwa imapereka ma diameter okulirapo, mtundu wobwerezabwereza wowotcherera komanso mtengo wopikisana nawo.

Chokwanira cha "PSL1 / PSL2" pa X65 chimakhudza kwambirikudalirika ndi kufufuza, osati mlingo woyambira wa mphamvu. SMYS ndi yofanana, koma PSL2 imawonjezera zofunikira za chemistry, kulimba, NDT ndi zolemba.

Gulu 3 - X65 PSL1 vs PSL2 (chosavuta):

M'malo mwake, PSL1 imagwiritsidwa ntchito pochepetsa-kusonkhanitsa ziwopsezo kapena-m'mizere ya zomera, pomwe PSL2 imasankhidwira zigawo zazikulu, kuwoloka kofunikira ndi mizere yotumiza kunja yokhudzana ndi zochitika zakunyanja.

X65 welded pipe ikhoza kuodwa mumchenga womwe umaphatikizana ndi makina osonkhanitsira,{1}}njira zazitali zotumizira anthu kutali ndi mayendedwe otumiza kunja kunyanja, makulidwe a khoma amatsimikiziridwa ndi kuthamanga kwa mkati, kuthamanga kwakunja ndi kusakhazikika.

Tebulo 4 - Mtundu wofananira wa mizere yowotcherera ya X65 (chizindikiro):

Zautumiki wakunyanja, katchulidwe kake kangathenso kuwongolera kupendekeka ndi kusakwanira kwa geometric komweko, chifukwa kuthamanga kwakunja, kupindika ndi kuyika katundu (S-lay, J-lay, reel-lay) ndizowopsa kuposa mizere ya kumtunda. Chitoliro malekezero akhoza kuperekedwa ngatiplain (PE), beveled (BE)kapena kupanga makina ofananira zomangira zingwe, -zambiri zokutira zolumikizana kapena makina olumikizirana.

Dongosolo labwino la X65 nthawi zambiri limaphatikiza hydrotesting, NDT ndi kuyesa kwamakina. Kwa mapaipi opangidwirautumiki wakunyanjakapena makonde apafupi ndi gombe, mitundu yoyesera yomweyi imagwiritsidwa ntchito, koma kuchuluka kwawo ndi njira zovomerezera nthawi zambiri zimayeretsedwa.

Gulu 5 - Matrix owunikira (omwe ali ndi chidwi ndi ntchito zakunja):

* "Zowonjezera zantchito zam'mphepete mwa nyanja" zikufotokozera mwachidule polojekiti-zachindunji za mizere yapansi panyanja kapena pafupi ndi gombe.

Kupitilira pa tebulo, ntchito zakunyanja nthawi zambiri zimafuna kuwongolera mwamphamvudzimbiri kunja ndi chitetezo makina, Mwachitsanzo:

• Kuyenerera kwa zokutira zakunja zopindika panthawi ya S-lay, J-lay kapena reel{2}}lay.
• Njira zokutira zolumikizira zotsimikizika zomwe zimagwirizana ndi zokutira zazikulu.
• Konkire zolemetsa kapena manja kuti mukwaniritse-kukhazikika pansi.
• Kuchitira umboni wachitatu-ndi gulu lachitatu (BV, DNV, SGS, ndi zina zotero) zoyesera ndi zokutira ndi makina.

Chitoliro cha API 5L X65 cha mapulojekitiwa chikhoza kupangidwa ndi kuyesedwa pansi pa -pawunivesite ya gulu lachitatu kuti lifanane ndi makhodi opangira ma projekiti a QA/QC.

Kwa ogwiritsa ntchito ambiri,X65ndi othandiza "workhorse" kalasi kamodzi kukanikiza chofunika, njira kutalika ndi kufunika kwa mzere kusuntha zone chitonthozo cha X52/X60, koma polojekiti ikufunikabe kulosera zowotcherera khalidwe ndi unsembe mtengo. Zomwe zimagwiritsidwa ntchito ndizo:

• Mapaipi aatali-otalikira mafuta amafuta ndi gasi
• Mizere yotumiza kunja kwa nyanja kuchokera kumadera akunyanja kupita ku magombe agombe
• Magawo a kumtunda kwa Nearshore ndi njira zovuta zofikira
• Njira zopititsira gasi m'madera ndi{0}paipi yapaipi yapakati
• Gawo losankhidwa la flowline ndi riser komwe X65 imagwirizana ndi mapangidwe apadziko lonse lapansi

Monga -ogulitsa zinthu,Octal Pipeikhoza kupereka chitoliro cha API 5L X65 mu PSL1 ndi PSL2 ndi zosankha za ERW, LSAW ndi SSAW, zofananira ndi kapangidwe kanjira, m'mimba mwake, makulidwe a khoma, zokutira ndi makulidwe a mayeso, ndipo zitha kukonza -kuwunika kwa chipani chachitatu popempha kuti zigwirizane ndi uinjiniya wa kasitomala ndi zofunikira za QA/QC zogwirira ntchito kumtunda ndi kunyanja.

FAQ

 

 

Q1: Kodi pali kusiyana kotani pakati pa API 5L X65 PSL1 ndi PSL2 welded line chitoliro?

A1:PSL2 imafuna kuwongolera kwamphamvu kwa chemistry komanso kuyesa kosamalitsa/kufufuza, kotero nthawi zambiri imatchulidwa pamapaipi ovuta.

Q2: Kodi ndimasankha bwanji ERW vs LSAW vs SSAW kwa API 5L X65 welded line pipe?

A2:Sankhani potengera makulidwe ofunikira a OD/khoma komanso makulidwe a pulojekiti-ERW ya makulidwe ang'onoang'ono/pakati, LSAW/SSAW ya ma diameter akulu ndi makoma okhuthala.

Q3: Ndi zikalata ndi mayeso ati omwe ndiyenera kufunsira API 5L X65 welded line pipe musanagule?

A3:Funsani 3.1 MTC yokhala ndi kutentha kwa nambala, mulingo wa PSL, CE/CEpcm, zotsatira za NDT (UT/RT ngati n'kofunikira), hydrotest, ndi zowawa zilizonse-zofuna zantchito ngati n'kotheka

Zitsimikizo

 

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