ERW ne high-mita juriya waldi-daidai kabu welded bututu; LSAW an nutsar da baka waldi-daidai kabu mai waldadden bututu; Dukansu suna cikin bututu masu welded madaidaiciya, amma tsarin waldawa da amfani da su biyun sun bambanta, don haka ba za su iya wakiltar bututun madaidaiciyar kabu ba kadai. SSAW-spiral waldi-karkaye welded bututu sun fi kowa.

Bambanci da amfani da ERW, LSAW da SSAW bututun ƙarfe

Madaidaicin babban mitar kabu (ERW karfe bututu) ya kasu zuwa walda induction da waldawar lamba gwargwadon hanyoyin walda daban-daban. Yana amfani da faffadan coils masu zafi a matsayin albarkatun kasa. Bayan pre-lankwasawa, m forming, waldi, zafi magani, gluing, mikewa, yankan, yana da abũbuwan amfãni daga short welds, high girma daidaito, uniform kauri bango, mai kyau surface ingancin da high matsa lamba idan aka kwatanta da karkace. Duk da haka, rashin amfani shine kawai za a iya samar da bututu masu bakin ciki masu ƙananan ƙananan da matsakaici. Fusion, lahani kamar tsagi. Wuraren da ake amfani da su a halin yanzu sune iskar gas na birni da sufurin danyen mai.

Madaidaicin kabu nutsewar baka mai walda (LSAW bututun ƙarfe) ana samar da shi ta hanyar amfani da faranti guda ɗaya da kauri a matsayin albarkatun ƙasa, danna (mirgina) farantin karfe a cikin injin ƙira, walda mai ruɓaɓɓen fuska biyu, da faɗaɗa diamita. Ƙarshen samfurin yana da nau'i mai yawa na ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai, mai kyau waldi taurin, filastik, daidaituwa da yawa, kuma yana da fa'idodin babban diamita na bututu, bangon bututu mai kauri, juriya mai tsayi, juriya mai zafi da juriya na lalata. Lokacin da ake gina bututun mai mai tsayi mai tsayi, mai ƙarfi, inganci, bututun ƙarfe da ake buƙata galibi manyan diamita ne mai kauri mai kauri madaidaiciya madaidaiciyar kabu. Bisa ga ma'aunin API, a cikin manyan bututun mai da iskar gas, lokacin da ake bi ta yankunan Aji na 1 da na 2 (kamar wuraren tsaunuka, gadajen teku, da wuraren da jama'a ke da yawan jama'a), madaidaiciyar baka mai nutsewa shine kawai nau'in bututun da aka tsara. Dangane da hanyoyin ƙirƙirar daban-daban, ana iya raba shi zuwa: U0E/JCOE/HME.

Karkataccen walda (SSAW karfe bututu) yana nufin cewa lokacin da ake birgima bututun, alkiblarsa ta gaba tana a kusurwa (daidaitacce) zuwa tsakiyar layin bututun, kuma ana yin walda a lokacin yin walda, kuma waldansa yana yin layi mai karkace. Amfanin ita ce ƙayyadaddun ƙayyadaddun guda ɗaya na iya samar da bututun ƙarfe na diamita daban-daban, kayan albarkatun ƙasa suna da nau'ikan daidaitawa, walƙiya na iya guje wa babban damuwa, kuma damuwa yana da kyau. Rashin hasara shine girman geometric ba shi da kyau. Tsawon weld ya fi tsayi fiye da na madaidaiciyar kabu. Cracks, pores, slag inclusions da walda sabawa suna yiwuwa faruwa. Don lahanin walda, damuwa walda yana cikin yanayin damuwa mai ƙarfi.

Ƙirar ƙayyadaddun ƙayyadaddun ƙirar bututun mai da iskar gas na gabaɗaya sun ƙayyade cewa za a iya amfani da baka mai karkatar da ruwa kawai a yankunan Class 3 da Class 4. Bayan inganta tsari a ƙasashen waje, ana maye gurbin albarkatun ƙasa da faranti na karfe don raba kafa da walda. Bayan pre-welding da daidaito, da waldi diamita zai fadada bayan sanyi waldi. Ingancin walda yana kusa da bututun UOE.
A halin yanzu, babu irin wannan hanya a kasar Sin. Wannan ita ce hanyar inganta masana'antar mu. Har ila yau ana samar da bututun "West-East Gas Transmission" bisa tsarin gargajiya, amma an fadada diamita na karshen bututun.
Amurka, Japan da Jamus gabaɗaya sun ƙi yin amfani da SSAW kuma sun yi imanin cewa bai kamata babban layin ya yi amfani da SSAW ba.
Canada da Italiya wani bangare na amfani da SSAW, kuma Rasha tana amfani da SSAW kadan. Sun ƙulla ƙaƙƙarfan sharuɗɗan ƙarin. Saboda dalilai na tarihi, yawancin layin gangar jikin gida har yanzu suna amfani da SSAW. Ana canza danyen kayan zuwa farantin karfe don raba kafa da walda. Bayan pre-welding da daidaito, da waldi diamita za a fadada bayan sanyi waldi. Ingancin walda yana kusa da bututun UOE.
ERW madaidaiciya kabu welded bututu yawanci amfani da waya casing a cikin wutar lantarki masana'antu. Halayen ayyuka: 100% gwajin ultrasonic na kayan iyaye yana tabbatar da ingancin jikin bututu; babu wani tsari na sassaukar diski, kuma kayan iyaye suna da ƙarancin rami da tarkace; da ƙãre bututu bayan danniya kawar m ba shi da saura danniya; weld gajere ne kuma yiwuwar lahani kadan ne; yana iya jigilar iskar gas mai ɗanɗano mai ɗanɗano bisa sharaɗi; bayan fadada diamita, daidaiton girman geometric na bututun ƙarfe yana da girma; Ana yin waldi a cikin madaidaiciyar layi a cikin matsayi na kwance bayan an gama ƙaddamarwa, don haka daidaitattun daidaituwa, buɗaɗɗen bututu, da kewayen bututu suna da kyau sarrafawa, kuma ingancin walda yana da kyau. Matsayin aiwatar da samfur: API 5L, API 5CT, ASTM, EN10219-2, GB/T9711, 14291-2006 da sauran sabbin ka'idoji. Samfurin karfe maki hada da: GRB, X42, X52, X60, X65, X70, J55, K55, N80, L80, P110, da dai sauransu The kayayyakin da ake amfani da ko'ina a cikin mai, na halitta gas, kwal gas, kwal ma'adinai, inji, lantarki, tara da sauran dalilai. Kayan aikin fasaha na ci gaba: irin su gyare-gyaren W-FF, walƙiya mai ƙarfi mai ƙarfi mai ƙarfi, gano aibi na ultrasonic, gano lahani mai lahani na magnetic, da manyan kayan gwaji: irin su binciken ƙarfe, gwajin taurin Vickers, injin gwajin tasiri, na'urar nazarin bakan, injin gwaji na duniya da sauran kayan aiki. Ana fitar da samfuran zuwa Kudancin Amurka, Arewacin Amurka, Tarayyar Turai, Kudu maso Gabashin Asiya da sauran wurare. A tsawon shekaru, abokan ciniki sun sami karɓuwa da kyau a duk faɗin duniya.

Kamfaninmu yana bayarwaEN10210S235JRH, S275JOH, S275J2H, S355JOH,Saukewa: S355J2H, S355K2H, tare da ƙayyadaddun ƙayyadaddun bayanai daga diamita na waje 219-1216, kauri bango 6-40, da garantin masana'anta na asali. Abokan ciniki a duk faɗin duniya suna maraba don siye.