ERW pipe le LSAW pipe ka bobeli ke liphaephe tse otlolohileng tse otlolohileng, tse sebelisoang haholo bakeng sa lipalangoang tsa metsi, haholo lipeipi tsa sebaka se selelele bakeng sa oli le khase. Phapang e kholo lipakeng tsa tse peli ke ts'ebetso ea welding. Mekhoa e fapaneng e etsa hore pipe e be le litšobotsi tse fapaneng 'me e loketse maemo a fapaneng a ts'ebeliso.

The ERW tube e sebelisa welding e phahameng-frequency resistance welding 'me e sebelisa li-coil tsa tšepe tse kentsoeng ka mocheso e le lisebelisoa tse tala. E le e 'ngoe ea liphaephe tse sebelisoang ka ho fetisisa kajeno, ka lebaka la tšebeliso ea marapo a tšepe / li-coil tse nang le junifomo le litekanyo tse nepahetseng ka kakaretso e le lisebelisoa tse tala, e na le melemo ea ho nepahala ha boemo bo phahameng, botenya ba marako a tšoanang, le boleng bo botle ba holim'a metsi. Pipe e na le melemo ea seam e khutšoanyane ea weld le khatello e phahameng, empa mokhoa ona o ka hlahisa liphaephe tse nyenyane le tse mahareng tse nang le marako a tšesaane (ho itšetlehile ka boholo ba lesela la tšepe kapa poleiti ea tšepe e sebelisoang e le thepa e tala). The weld seam ke tšekamelo ea ho matheba a bohlooho, ha a sa kopanngoa, grooves Corrosion defects. Libaka tse sebelisoang haholo hajoale ke lipalangoang tsa khase ea litoropong le lipalangoang tsa lihlahisoa tsa oli e tala.

Pipe ea LSAW e amohela mokhoa oa ho tjheseletsa ka tlas'a metsi, o sebelisang poleiti e le 'ngoe e botenya e le thepa e tala,' me e etsa welding ea ka hare le ea ka ntle sebakeng sa ho tjheseletsa le ho atolosa bophara. Ka lebaka la mefuta e mengata ea lihlahisoa tse feliloeng tse sebelisang lipoleiti tsa tšepe e le lisebelisoa tse tala, li-welds li na le boima bo botle, polasetiki, ho lumellana le ho kopana, 'me li na le melemo ea bophara ba phala e kholo, botenya ba lebota la pipe, ho hanyetsa khatello e phahameng, ho hanyetsa mocheso o tlaase le ho hanyetsa kutu. . Ha ho etsoa liphaephe tse matla haholo, tse thata haholo, tsa boleng bo holimo tsa oli le khase, boholo ba lipeipi tsa tšepe tse hlokahalang ke liphaephe tse nang le bophara bo boholo bo botenya bo otlolohileng, tse kolobisitsoeng ka tlas'a metsi. Ho latela maemo a API, liphaepheng tse kholo tsa oli le khase, ha u feta libakeng tsa Sehlopha sa 1 le sa Sehlopha sa 2 joalo ka libaka tsa alpine, mabopo a leoatle, le libaka tsa litoropo tse nang le baahi ba bangata, liphaephe tse otlolohileng tse kentsoeng ka metsing ke tsona feela mofuta oa lipeipi tse khethiloeng.