ERWke motlakase-ho hanyetsa welded tšepe phala, Resistance welded tšepe phala e arotsoe ka phapanyetsano ea welded tšepe phala le DC welded tšepe phala 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 pipe 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.

SAW lipeipi tsa tšepee khutšoanyane ea Submerged Arc Welding Steel Pipe, eo e leng tšebeliso ea mokhoa o ka tlas'a metsi oa arc soldering ho etsa tšepe, mokhoa ona o hlahisa sekhahla se phahameng haholo sa hona joale, lera la flux ho thibela tahlehelo e potlakileng ea mocheso, 'me e tsepamisitsoe sebakeng sa ho tjheseletsa.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 tsa erw le saw steel pipe
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 phala sakha tšepe.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, le 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 submered arc welded pipe bolelele ho feta bophelo.