Bututu Karfe mara sumul

Bututun ƙarfe mara nauyibututu ake yiba tare da welded dinki ba. Ana samar da ita ta hanyar dumama ƙaƙƙarfan billet ɗin ƙarfe,huda shi ya yi rami, Sa'an nan kuma mirgina da girman bututu zuwa OD da ake buƙata da kauri na bango kafin kammalawa (maganin zafi, prep na ƙarshe, da dubawa na ƙarshe) zuwa ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙimar ku.

Octal Pipe yana mai da hankali kan irin wannan aikin. Muna ba da bututun ƙarfe mara nauyi a cikin kewayon ƙa'idodin ƙasashen duniya -API 5L bututun layin, ASTM A106 / A53 don aiwatar da bututu,A179/ A213 na tukunyar jirgi da zafi - bututun musayar wuta, A335 don tsayin alloy{3}} sabis na zafin jiki, da EN 10216 da maki GB/T masu alaƙa. Girman taga yana rufewa10.3-1422 mm ODda kaurin bango har zuwa150 mm, don haka layin watsawa, bututun tukunyar jirgi, dauren musayar wuta da membobin tsarin duk ana iya samo su dagashirye-shirye guda ɗaya mai daidaitawamaimakon a raba shi a cikin injina da yawa.

Bayan kowane girman da daraja akwai mai sarrafawahanyar samarwa: mandrel - ko toshe - injin mirgine, ƙayyadaddun maganin zafi, cikakken bincike da ƙimar NDT / hydrotest. Ana fitar da kowane tsari tare daTakaddun shaida EN 10204 3.1 ko 3.2 da cikakken binciken zafi, baiwa injiniyoyin aikin, QA da na uku - sufetocin jam'iyyu tabbataccen hanyar tantancewa da rage haɗarin yin aiki na ƙarshe na mintuna na ƙarshe ko riƙe{2} sama a amincewa ta ƙarshe.

Layuka daban-daban suna buƙatar bututu daban-daban - amma yawancin tambayoyin suna zuwa tare da cikakkun bayanai marasa cikakke ko gauraye. Ɗaya daga cikin hanyoyin Octal Pipe yana ƙara ƙima shine ta hanyar taimakon masu siyedaidaita daidaitattun ma'auni da daraja zuwa ainihin yanayin aiki.

A aikace, yawancin kayan aikin mu sun faɗi cikin ƙungiyoyi kaɗan:

• Bututun watsawa don mai & gas– yawanciAPI 5L bututu mara nauyi, daga B zuwa X70, PSL1 ko PSL2 dangane da ƙira factor da taurin bukatun. Muna daidaita tauri, DWTT (idan an buƙata), gwajin tasirin CVN da miya mai tsami{3}Zaɓuɓɓukan sabis tare da lambar ƙirar bututun.
• Haɗaɗɗen zafin tururi da layin sarrafawa – ASTM A106 / A335bututu maras nauyi a cikin nau'ikan carbon da gami (kamar Gr.B, P11, P22, P91) don masana'antar wutar lantarki, matatun mai da raka'o'in petrochemical, tare da kula da yanayin zafi da taurin.
• Tufafi da zafi{0}bututun musayar – ASTM A179 / A192 / A213da ma'auni na EN 10216 masu ƙanƙanta don ƙananan ƙarfe da bututun ƙarfe, tare da jurewar bango da faɗaɗa / U{2}} alawus ɗin lankwasa inda ake buƙata.
• Low-zazzabi da sabis na cryogenic – ASTM A333 / EN 10216-4bututu maras sumul tare da gwajin tasiri a ƙayyadadden zafin jiki na sifili, ana amfani da shi akan ƙananan ma'ajin zafi, LNG da sanyi{2} layukan sabis.
• Aikace-aikacen sabis na tsami- kayan aiki da taurin sarrafawa don saduwaNACE MR0175 / ISO 15156inda H₂S yake, da guje wa fasa-kwauri da al'amurran cancanta a cikin mahalli mai tsami.

Lokacin da kuka aiko mana da ainihin bayanan tsarinku (matsakaici, matsa lamba, zafin jiki, lambar ƙira da kowane buƙatun zafi / ƙarancin zafi), muna taswira zuwa gatakamaiman ma'auni, maki da buƙatun gwaji, kuma dawo da jerin abubuwa masu tsabta. Wannan yana taimaka wa ƙungiyar ku ta cikin gida da masu ba da shawara su sake dubawa da amincewa da ƙayyadaddun ƙayyadaddun cikin sauri, yayin da tabbatar da cewa kowane bututun da muke samarwa ya dace da fasaha ta hanyar fasaha don aikin da ya kamata ya yi.

Don bututun tukunyar jirgi da babban bututu maras sumul, masu siye ba su kula da yawan injuna da niƙa ke da su ba da ƙari.abin da waɗannan injinan ke ba da garanti a aikace- Tsaftar karfe, tsayayyen girma da sakamakon gwaji wanda ya wuce tukunyar jirgi da matsa lamba{0}} duban jirgin ruwa. An gina wadataccen wadataccen kayan aikin Octal Pipe akan hanyar narke -zuwa{3}} tare da wannan manufar.

Daga Ƙarfe zuwa Ƙarƙashin Tube - Maɓallin Kayan aiki da Abin da Yake nufi a gare ku

Domin waɗannan raka'a ana gudanar da su kamarlayi daya hade, kuna karɓar bututu marasa sumul inda:

• tsaftar karfe da sinadaraiana sarrafa su daga narkewa, ba wai kawai an bincika ba a bututu da aka gama;
• kauri bango, OD da madaidaiciyasakamako ne na sadaukarwar huda da kuma hanyar niƙa -, ba gyare-gyare ba;
• UT / eddy{0}}gwajin na yanzu da na labsun riga sun kasance a wurin don tukunyar jirgi, petrochemical da wutar lantarki{0}ma'auni na shuka, don haka binciken ku na ɓangare na uku da amincewar lambar ya wuce tare da ƙarancin abubuwan mamaki.

A gare ku a matsayin mai siye, babban ƙimar kayan aikin Octal Pipe yana da sauƙi:bututu marasa sumul waɗanda suka dace da zane-zane da buƙatun lamba a karon farko, tare da hanyar gwaji wanda ƙungiyar QA da masu duba za su iya dogara da ita.

Ana samar da bututun ƙarfe mara ƙarfi ta hanyar huda ƙaƙƙarfan billet cikin harsashi mara ƙarfi, sannan zafi{0}}mai jujjuyawa/mai tsayi zuwa girmansa, sannan tare da girma/miƙewa da maganin zafi a inda ake buƙata.

Lokacin da masu siye suka kalli ginshiƙi na bututun niƙa mara nauyi, abin da ke da mahimmanci ba shine adadin akwatunan ba, ammainda aka kulle inganci kuma an rubuta shi. Octal Pipe yana tsara layinsa na niƙa a kusa da wannan ra'ayin - kowane maɓalli mai mahimmanci yana da wurin sarrafawa wanda za'a iya gano shi daga baya a cikin MTC da rahotannin dubawa.

1. Yanke billet, dumama da huda - farawa daga karfen sauti
Ana yanke takaddun bututun da aka zaɓa zuwa tsayi, a duba sama{0}} sannan ana dumama a cikin tanderun murhu mai jujjuya tare da daidaita yanayin zafi. Sai bayan an tabbatar da sinadarai da yanayin sama suke shiga cikin injin huda. Wannan yana rage haɗarin laminations kuma yana tabbatar da cewa ƙwanƙolin harsashi da muka huda ya riga ya dace da sabis na matsa lamba.

2. Mandrel niƙa mirgina, mikewa ragewa da kuma girma - sarrafa bango da ovality
Ana birgima harsashin da aka soke a kan injin niƙa sannan kuma a wuce ta cikin shimfidar wuri{0}} yana ragewa / girma. A wannan mataki muna sa idoOD, kauri na bango da eccentricitymaimakon kawai "yin bututu". Tsayar da waɗannan dabi'u a cikin abubuwan da aka yarda da su shine abin da daga baya zai ba da damar lankwasa filin ku, walda da AUT don tafiya lafiya ba tare da yankewa ba.

3. Maganin zafi tare da rikodi na murhu
Dangane da nau'in, bututu suna daidaitawa ko kashe su kuma ana sanya su cikin tanda mai ci gaba ko batch. Ana yin rikodin lokaci da zafin jiki don kowane kaya, don haka lokacin da kuka ga kaddarorin injina da taurin akan MTC, ana samun goyan bayansu da ainihin zafin magani{1}}. Wannan shine maɓalli don ayyukan da ke aiki zuwa API 5L, ASTM A106/A335 ko EN 10216 inda ake duba iyakokin tauri da taurin.

4. Daidaitawa, tsaftacewa da tsaftacewa da ƙima
Bayan sanyaya, ana daidaita bututu kuma an cire sikelin, sa'an nan kuma an sake auna OD, kauri da tsayin bango. Waɗannan gwaje-gwajen sun tabbatar da bututun ya yi daidai da zane - ba kawai a matsakaici ba, amma yanki-bi-da-bi - don haka shagunan ƙirƙira da ma'aikatan rukunin yanar gizo suna ɗaukar ɗan lokaci don daidaitawa da yankewa{1} na{2} kayan juriya.

5. NDT da gwajin hydrostatic - duba abin da ba za ku iya gani ba
Kowane samar da yawa yana wucewaMagnetic flux leakage da ultrasonic gwajin, tare da ƙarshen bututu kuma an duba shi ta hanyar duban ƙwayoyin maganadisu. Ana cire lahani ko kuma a ƙi bututun kafin ya kai ga gwajin hydrostatic. A lokacin hydrotest, kowane bututu ana matsawa kuma ana riƙe shi zuwa ƙayyadadden matsi na gwaji, yana ba da takaddun shaida cewa zai iya jure yanayin ƙira na layin ku.

6. Aunawa, shafi, yin alama da tattarawa - yin shi a shirye don aikinku
A ƙarshe, ana auna bututu da aunawa, sannan a fesa -ko fenti kamar yadda aka ayyana kuma an saka su da madafunan ƙarewa. Kowane tsayi yana ɗauke da layi mai haske (girma, daraja, daidaitaccen, lambar zafi), daure suna da alamar, kuma lissafin tattarawa sun dace da takaddun dubawa. Wannan yana ba masu mallakar, EPCs da masu duba na ɓangare na uku{3}} su iya gano duk wani bututun da ke kan rukunin baya ga sakamakon gwajinsa ba tare da zato ba.

Duba abubuwan da suka danganci aikin

Danna nan

Idan kana kwatanta asumul karfe masana'anta bututu a kasar Sin, shawarar yawanci shine game da sarrafa hanyar niƙa, iyakar dubawa, da kuma ganowa{0}waɗannan su ne ke raba na gaske.sumul karfe bututu factorywadata daga ciniki{0}} kawai.

• Metallurgy na farko - tsaftataccen karfe don sabis na matsa lamba

Bututun mu mara sumul yana farawa dagaEAF + LF / VD mai ladabi karfe, jefa cikin dakunan da aka sarrafa sannan kuma a yi birgima a kan injina / toshe. Abubuwan da ke cikin iskar gas da haɗawa suna raguwa a matakin ƙera ƙarfe, wanda ke nufin ƙarancin ɓoyayyun matsalolin daga bayaUT, gajiya ko sabis mai raɗaɗi. Domin tukunyar jirgi da ma'aunin zafi mai girma{1}, muna mai da hankali sosaiGirman hatsi, rarraba carbide da hardenability, don haka dogon lokaci{0} kadarorin ba su dogara ga "zafi mai sa'a ba".

• Juyawa da maganin zafi wanda aka daidaita zuwa kowane aji

Huda, tsawo da girma sun dace da matsayi da kaurin bango, ba a gudanar da shi akan girman guda ɗaya- yayi daidai-duk saitin. Bayan mirgina, bututu suna wucewanormalizing, quench{0}}da -haushi ko haske annealing, tare da muryoyin murhu da aka ajiye a kowane kaya. A gare ku, wannan yana nufin hakaA106, A335, A179 / A213, EN 10216 da API 5Lmaki zo da inji Properties da sukezafi mai maimaitawa don zafi, ba kawai a cikin mafi ƙarancin ƙima ba.

• Girman sarrafawa da aka gina a cikin niƙa, ba a daidaita shi akan wurin ba

Saboda ana yawan amfani da sulufi akan lanƙwasa, matsattsun raktoci da manyan kanan matsi masu ƙarfi, muna mai da hankali kanOD, juriyar bango, eccentricity da madaidaiciyaa niƙa. Mandrel / shimfiɗa{1} ana saita injinan ragewa don kiyaye bututun a cikin tagan haƙuri da ake buƙata doninduction lankwasawa, sanyi lankwasawa da atomatik waldi. Wannan yana ceton ku daga samun rarrabuwa da "ɗauka mafi kyawun guda" a cikin yadi.

• Shirye-shiryen gwaji masu daidaitawa tare da tukunyar jirgi, bututun mai da lambobin shuka

Maimakon bayar da mafi ƙarancin gwaje-gwaje, muna samarwa akai-akaihydrotest, cikakken -body UT / eddy{1}} na yanzu, duban taurin, gwajin tasiri da gwaje-gwaje na musamman(misali ƙananan -CVN zafin jiki, ɓarna mai raɗaɗi, HIC) daidai da lambar aikin da takamaiman buƙatu. Kowane sakamako yana daura dalambar zafi da bututu mai yawa, don haka ƙungiyar ku ta QA da masu duba na waje za su iya duba layin ba tare da sun sake gwada komai ba.

Za amai shigo da bututu mara nauyi, Babban jinkiri yawanci shine rashin daidaituwa na takardu da kuri'a masu gauraya.

Muna jigilar kaya tare da lissafin marufi/malam da ke daure da zafi/yawa don mai shigo da kaya zai iya share karba da aiwatar da QA ba tare da sake{0}}wararrawa ba.

A takaice,Octal Pipe ba sumul karfe bututuba a sanya shi azaman bututun kayayyaki mafi arha, amma kamar yaddasarrafa{0}kayan sarrafawa don layin da gazawa ba zaɓi bane– babban -matsi, babban{1}}zazzabi da sabis na shuka mai mahimmanci.

Me Yake Canza Quote

• Farashin bututun ƙarfe mara nauyiOD/WT ne ke tafiyar da shi, daraja, maganin zafi, buƙatun gwaji (UT/hydrotest), yawa, da sharuɗɗan bayarwa.
• Don samun kwatankwacin tayi, aika RFQ tare da girman kewayon, ma'auni/jin, tsayi, nau'in ƙarshen, da ainihin fakitin dubawa/takardar da ake buƙata.
• Idan PO/ITP ɗin ku yana ƙara takaddun shaida na 3.2, ɗaukar hoto na NDT, ko gwaji na musamman, farashin da lokacin jagora ya canza daidai.

Tuntuɓi yanzu

Matsala gama gari

Menene girman da kewayon sa zai iya samar da bututun Octal don bututun ƙarfe mara nauyi?

Muna ba da bututu mara nauyi daga 10.3-1422 mm OD kuma har zuwa 150 mm kauri a cikin API 5L, ASTM A106/A53, A179, A213, A335 da EN 10216 maki.

Shin bututunku marasa sumul zai iya cika tsayayyen aiki da buƙatun dubawa na ɓangare na uku?

Ee. Kowane tsari yana zuwa tare da EN 10204 3.1 / 3.2 MTCs, ma'anar NDT da rahotannin hydrotest da cikakken yanayin yanayin zafi don tallafawa aikin da bincike na ɓangare na uku.

Me yasa masu zanen kaya wani lokaci suke yiwa layi alama a matsayin "SMLS kawai"?

Ana yiwa layukan alama"SMLS"lokacin da mai zane ba ya son walda mai tsayi a cikin tsarin - yawancimatsanancin matsin lamba, zafin jiki mai zafi, matsanancin lodin keken keke, kaifi mai kaifi ko layukan da ke kusa da kayan aiki masu juyawa. A cikin waɗannan lokuta, bututu maras nauyi yana kawar da ɗinkin walda a matsayin yuwuwar wurin farawa don fasa ko lalata.

Wane sabis na ƙirƙira da bayarwa za ku iya bayarwa tare da bututu?

Za mu iya samar da bututun yanke{0}zuwa{1} mai tsayi tare da beveling, zaren zare ko tsagi, da shafi, yin alama da tattara kayan fitarwa bisa ga ƙayyadaddun aikin ku.

Takaddun shaida

 

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