ERW ke phala ea tšepe e hanyetsanang le motlakase, Resistance welded steel pipe e arotsoe ka phapanyetsano ea phala ea tšepe e entsoeng ka tšepe le phala ea DC e entsoeng ka tšepe ka mefuta e 'meli.

AC tjheseletsa ho latela maqhubu a fapaneng a arotsoe ka tlaase-frequency welding, IF welding, welding ea ultra-IF le high-frequency welding.High-frequency welding e haholo-holo e sebelisoa bakeng sa tlhahiso ea phala e tšesaane e nang le marako a tšepe kapa phala ea tšepe ea lebota, ho tjheseletsa maqhubu a phahameng ka har'a li-welding le li-induction.DC welding e atisa ho sebelisoa bakeng sa phala ea tšepe e nang le bophara bo bonyenyane.Kahoo, mabapi le phaephe e felletseng, e nang le maqhubu a phahameng e kenyellelitsoeng phala ea ERW ke ts'ebetso e phahameng ea maqhubu a ho hlahisa liphaephe tsa ERW.ERW Longitudinal tshebetso e tsoetseng pele ea sehlahisoa tšimong ea polokelo ea oli le khase le lipalangoang, boetapele ba boleng, phala ea tšepe e ngata ea moruo.

Liphaephe tsa tšepe tsa SAW li haella ho Submerged Arc Welding Steel Pipe, eo e leng ts'ebeliso ea ts'ebetso ea ho qoelisoa ka har'a metsi ho etsa tšepe, ts'ebetso e hlahisa sekhahla se phahameng haholo sa hona joale, sekhahla sa phallo ho thibela tahlehelo e potlakileng ea mocheso, 'me e tsepamisitse maikutlo ho tjheseletsa sebakeng.Arc weld e kentsoeng ka tlas'a metsi ea boleng bo phahameng, ts'ebetso e phahameng ea tlhahiso, arc le mosi litšoaneleho tse 'maloa tsa phala e ka tlas'a metsi arc welded e sebelisoa haholo likepeng tsa khatello, tlhahiso ea liphaephe, maballo, mokelikeli o tlase oa khatello, ts'ebetso ea tšepe.Lihlahisoa tse ka sehloohong tsa liphaephe tsa tšepe tsa SAW LSAW Pipe ea tšepe, Pipe ea tšepe ea Longitudinally Submerged Arc Welding LSAW, ke tšebeliso ea tlhahiso ea tšepe e kentsoeng ka tlas'a metsi ea phala ea tšepe ea seam e otlolohileng.

Phapang pakeng tsaerwlebonephala ea tšepe

Joaloka phala ea tšepe ea ERW le phala ea tšepe ea SAW ka phala nakong ea ho theha, ho tjheseletsa le ho sebetsa ho fapane, e le hore mefuta e 'meli ea phala ea tšepe e sebetsang ho na le phapang e itseng.

(1) Boleng ba phala ea tšepe ea ERW bo phahametse phala e ka tlas'a metsi arc welded pipe, ERW steel pipe surface e boreleli, e boreleli, e ntle, phala ea tšepe ea SAW e matlafatsang ka hare le ka ntle.

(2) ERW tšepe phala tjheseletsa sekoli mefuta e ka tlaase ho feta sakha tšepe phala.Pipe ea tšepe ea saw e nang le solvent e kentsoeng, mefuta e mengata ea mefokolo, ntle le mefokolo ea molumo, ho na le sefi sa terata.ERW steel pipe weld defects feela terata-line le li-welds tse otlolohileng, ts'ebetso ea tlhahlobo e bonolo ho e latela, le mefokolo e bonts'itsoeng ka ho fetesisa, hang ha ho haella ha li-ultrasonics tse matla, tse bonolo ho li lemoha.

(3) Pipe ea tšepe ea ERW e amanang le phala ea tšepe ea saw ka tekanyo ea khatello ea maikutlo e tlase.Ho tloha ha ERW deformation e ts'ebetsong ea deformation ka botlalo, e kopantsoeng ka mor'a moo oval e bataletseng, liphetoho tse otlolohileng le molala, ho etsa hore khatello ea masala ea phala ea ERW e be nyane.Tlhahlobo ea 'mele e bontšitse hore litlhaloso tse tšoanang, phala e tšoanang ea ERW ka mor'a ho phunyeha ka har'a axis, li-axial le li-transverse incisions tse nyenyane tsa ho falla ho feta phala e kolobisitsoeng ea arc e kolobisitsoeng.

(4) ERW Pipe ka kakaretso tshebetso e tšoanang, ha phala e fetoha sekoli, tšepe selahla kahlolo, lumella tjheseletsa.PEPI ea tšepe ea SAW e lumelletsoe, 'me ts'ebetso ea tjheseletsa ea liphaephe le ts'ebetso ka kakaretso ha e lumellane, sebaka sa tjheseletsa se tloaetseng ho hatella ho phatloha ha kutu.Liteko li bontša hore khatello ea maikutlo corrosion mokhathala teko ERW pipe spiral submerged arc welded pipe bolelele ho feta bophelo.