Peipi e otlolohileng ea seam (ERW e otlolohileng seam welded tšepe peipi) e thehoa holim'a poleiti e chesang ea mochine oa ho etsa mochine, phello ea letlalo le phello e haufi ea maqhubu a phahameng a maqhubu, ho qhibiliha ha mocheso oa phala ho futhumatsa ho extrusion roller pressure welding ho finyella tlhahiso.

Ts'ebeliso ea mokhoa oa ho cheselletsa maqhubu a phahameng haholo tlhahisong ea liphaephe lilemong tsa bo-1950 e bone theknoloji ea tlhahiso e ntseng e hola le ho tsoela pele ho ntlafatsa boleng ba sehlahisoa lilemong tse leshome tse fetileng kapa ho feta.

Pele ho tsohle, ka boleng ba lihlahisoa tse tala, tlhahiso ea phala ea tšepe ea ERW e ntlafalitsoe haholo, ho hlophisoa ha tšepe ea carbon e tlaase, P, S, micro-alloying; smelting process smelting, ladle refining, vacuum degassing, continuous casting le thekenoloji e meng e ncha Ho phaella ho ERW e laoloang ke mokhoa oa ho roala le o batang, theknoloji e nolofalitse ponahalo ea lihlopha tse chesang tse chesang tsa li-tubes tsa tšepe tse kholo le tse mahareng tsa ERW. ho ntlafatsoa haholo ka boleng ba ponahalo, thepa ea 'mele le thepa ea lik'hemik'hale. Lipeipi tsa tšepe tse hlahisoang ke Baoshan Iron and Steel Company, e leng boemo bo phahameng ka ho fetisisa ba tšepe e kolobisitsoeng ka ho fetisisa naheng ea heso, li kopane le maemo a American Petroleum Institute API 5L 'me li boemong bo tsoetseng pele ba machaba.

E lateloa ke bophara bo bohareng le bo boholo ERW ho tjheseletsa tjheseletsa le mocheso kalafo tshebetso ya tshebetso ya tlhahiso ea ho finyella k'homphieutha jarolla ka ho iketsa, maqhubu a phahameng le khomphuta jarolla ka ho iketsa puseletso tsamaiso tjheseletsa tshebetso mocheso input eneji e laoloa ka katleho ho thibela tjheseletsa mocheso input tjheseletsa serame e bakoang ke tlaase. ho kenya mocheso oa tjheseletsa le Ho tuka ho feteletseng ho bakoang ke matla a mangata. Taolo ea mocheso oa mocheso oa mocheso o lumella mokhoa oa ho phekola mocheso ho finyella liphello tse molemo ka ho fetisisa ho latela litlhoko tsa ts'ebetso, ho netefatsa ka katleho boleng ba phala ea tšepe ea tšepe le sebaka se amehileng ke mocheso.

Ho phaella moo, tsoelo-pele ea ERW tube straight seam welded pipe inspection technology e fihletse tšenyo e feletseng ea marang-rang kapa e sa sebetseng ea ultrasonic kapa eddy ea hona joale ea weld, 'me tlhahlobo ea khatello ea hydraulic e ka ba tlas'a tsamaiso ea k'homphieutha, tlhahlobo ea khatello ea kelello le litlhoko tsa taolo. Khothatso le ts'ebetsong ea letoto la APIQ1 ISO9000 le netefalitsoeng ho netefatsa netefatso ea boleng ts'ebetsong eohle ea tlhahiso, tlhahlobo, thekiso le ts'ebeletso ea liphaephe tsa tšepe tse mahareng le tse kholo tsa ERW seam seam.

Lilemong tsa morao tjena, linaha tse fapa-fapaneng li 'nile tsa nka ka mafolofolo ERW seam welded pipe le spiral welded pipe seamless pipe sebakeng, linaheng tse tsoetseng pele, ERW straight seam pipe diameter Ф610mm ka tlase, ERW steel pipe e fihlile hoo e ka bang 70% ea tekanyo. Bokhoni ba rona ba tlhahiso ea ERW Longitudinal le bona bo ile ba ntlafatsoa.