ERWne high-mita juriya waldi madaidaiciya kabu welded bututu;LSAWne submerged baka waldi madaidaiciya kabu welded bututu;Dukansu suna cikin madaidaiciyar bututu mai walƙiya, amma tsarin walda ya bambanta.Don haka ba za ku iya cewa ɗaya daga cikinsu a madadin bututun welded madaidaiciya.More na kowa karfe bututu ne SSAW– karkace welded bututu.High mita madaidaiciya kabu (ERW) bisa ga waldi tsari ne zuwa kashi daban-daban induction waldi da juriya waldi nau'i biyu, dangane da zafi birgima m girma kamar yadda albarkatun kasa, ta hanyar ci gaba da kafa, lankwasawa, waldi, zafi magani, sizing, mikewa. yankan tsari.Idan aka kwatanta da SSAW, babban girman daidaito, kauri na bango iri ɗaya, ingancin saman ƙasa mai kyau, babban matsin lamba shine duk fa'ida.Amma hasara shi ne cewa kawai samfurin kananan diamita bakin ciki bango bututu, weld sauki tsara resistant, bai cika Fusion, tare mahara lalata lahani.Ana amfani da shi sosai kamar iskar gas na birni, jigilar danyen mai.

The abu na LSAW karfe bututu ne guda lokacin farin ciki karfe farantin, da karfe a cikin mold ko gyare-gyaren inji matsakaici-ƙarfin wutar lantarki (girma), ta yin amfani da biyu-gefe submerged baka waldi Its ƙãre samfurin takamaiman kewayon ne m, da taurin na weld, plasticity, mai kyau uniformity da compactness, tare da babban bututu diamita, bango kauri, karfi juriya ga high matsa lamba, low zafin jiki lalata juriya, da dai sauransu A cikin gina high ƙarfi, high tauri, high quality dogon nisa man fetur da gas bututu, da karfe tube ne. galibi babban diamita kauri bango madaidaiciya kabu nutsewar baka.Dangane da tanade-tanaden ma'auni na API a cikin manyan bututun mai da iskar gas, lokacin da tsaunuka, teku da yanki mai yawan jama'a a cikin aji 1, 2, madaidaiciyar kabu mai nutsewa arc shine kawai aka keɓance don nau'in bututu.

Dangane da hanyoyin ƙirƙira na daban-daban ana iya raba su zuwa: UOE/JCOE/HME.Volumes na karkace submerged baka (SSAW) ne a cikin shugabanci tare da tsakiyar line na bututu kafa Angle (daidaitacce), kafa da waldi, da waldi kabu a karkace, fa'ida shi ne cewa zai iya samar da daban-daban bayani dalla-dalla na karfe bututu diamita na ƙayyadaddun ƙayyadaddun guda ɗaya, kewayon albarkatun ƙasa ya fi girma, walƙiya na iya guje wa babban damuwa, yanayin damuwa yana da kyau, rashin lahani shine girman girman joometry mara kyau, tsayin weld idan aka kwatanta da madaidaiciyar kabu, mai sauƙin samar da fasa, porosity, slag, lahani na walda. kamar walda, walda danniya ne tensile danniya yanayi.Dokoki da ka'idoji na ƙirar bututun mai da iskar gas mai nisa mai nisa screw Spiral submerged arc ba za a iya amfani da shi kawai don aji uku, yanki mai aji.4 kasashen waje wannan tsari za a inganta albarkatun kasa maimakon karfe farantin karfe, forming da walda, sa'an nan waldi da kuma durƙusad, sanyi fadada, bayan waldi, da walda ingancin ne kusa da UOE tube, a gida babu irin wannan tsari, shi ne shugabanci na waldi. mu factory inganta."Gas na yamma-gabas" har yanzu ana amfani da shi ta hanyar samar da fasahar gargajiya, kawai fadada ramin bututu.Amurka, Japan da Jamus, a gaba ɗaya, SSAW mara kyau, ba sa tunanin ya dace a yi amfani da gangar jikin SSAW;Bangaren Kanada da Italiya suna amfani da SSAW, Rashanci, ƙaramin adadin amfani da SSAW, kuma sun yi ƙayyadaddun ƙayyadaddun yanayi, saboda dalilai na tarihi, yawancin akwati na gida kuma shine amfani da SSAW.