ERW ke phaephe e welletsoeng ka ho tjheseletsa e nang le kganyetso e phahameng ya maqhubu a hodimo; LSAW ke phaephe e welletsoeng ka ho tjheseletsa e nang le arc e kentsweng ka metsing; ka bobedi ke ya diphaephe tse welletsoeng ka ho tjheseletsa tse nang le seam e otlolohileng, empa tshebetso ya ho wellisa le tshebediso ya tse pedi di fapane, kahoo di ke ke tsa emela diphaephe tse welletsoeng ka ho tjheseletsa tse nang le seam e otlolohileng feela. Diphaephe tse welletsoeng ka ho tjheseletsa tse nang le seam e otlolohileng ya SSAW di atile haholo.

Phapang le tšebeliso ea liphaephe tsa tšepe tsa ERW, LSAW le SSAW

Seam e otlolohileng e nang le maqhubu a phahameng (phala ea tšepe ea ERW) e arotsoe ka ho kenya li-induction welding le ho kopanya li-contact welding ho latela mekhoa e fapaneng ea ho kenya li-welding. E sebelisa li-coil tse sephara tse phutholohileng ka mocheso e le thepa e tala. Kamora ho kobeha pele, ho theha ka mokhoa o tsoelang pele, ho kenya li-welding, kalafo ea mocheso, ho khomaretsa, ho otlolla, ho seha, e na le melemo ea ho kenya li-weld tse khutšoane, ho nepahala ho phahameng, botenya ba lebota bo ts'oanang, boleng bo botle ba bokaholimo le khatello e phahameng ha e bapisoa le spiral. Leha ho le joalo, bothata ke hore ke liphaephe tse tšesaane feela tse nang le bophara bo bonyenyane le bo mahareng tse ka hlahisoang. Ho kopanya, liphoso tse kang tsa mafome tse kang groove. Libaka tse sebelisoang haholo hona joale ke khase ea tlhaho ea litoropong le lipalangoang tsa lihlahisoa tsa oli e tala.

Ho tjheseletsa arc e kenelletseng ka seam e otlolohileng (phala ea tšepe ea LSAW) ho hlahisoa ka ho sebelisa poleiti e le 'ngoe e mahareng le e teteaneng e le thepa e tala, ho tobetsa (ho pitikisa) poleiti ea tšepe ka mochining oa hlobo kapa oa ho etsa, ho tjheseletsa arc e kenelletseng ka mahlakore a mabeli, le ho atolosa bophara. Sehlahisoa se felileng se na le mefuta e mengata ea litlhaloso, ho tiea ha weld ho hotle, polasetiki, ho tšoana le ho ba le bongata, 'me se na le melemo ea bophara ba phaephe e kholo, lebota le teteaneng la phaephe, ho hanyetsa khatello e phahameng, ho hanyetsa mocheso o phahameng le ho hanyetsa mafome. Ha ho hahoa liphaephe tsa oli le khase tse matla haholo, tse thata haholo, tsa boleng bo holimo, liphaephe tsa tšepe tse hlokahalang boholo ba tsona ke arc e kenelletseng ea seam e bophara bo boholo e kenelletseng ka seam e teteaneng. Ho ea ka maemo a API, liphaepheng tse kholo tsa oli le khase, ha li feta libakeng tsa Sehlopha sa 1 le sa Sehlopha sa 2 (joalo ka libaka tse lithaba, mabopong a leoatle, le libakeng tsa litoropo tse nang le baahi ba bangata), arc e kenelletseng ka seam e otlolohileng ke eona feela mofuta o khethiloeng oa phaephe. ​​Ho ea ka mekhoa e fapaneng ea ho etsa, e ka aroloa ka: U0E/JCOE/HME.

Ho tjheseletsa ka arc e kenelletseng ka hare ho spiral (phala ea tšepe ea SSAW) ho bolela hore ha ho phuthoa phaephe, tsela ea eona e eang pele e ka lehlakoreng (e ka fetoloang) ho ea moleng o bohareng oa phaephe e etsang, 'me ho tjheseletsa ho etsoa nakong ea ho etsa, 'me ho tjheseletsa ha eona ho etsa mola o potolohang. Molemo ke hore tlhaloso e tšoanang e ka hlahisa liphaephe tsa tšepe tsa bophara bo fapaneng, thepa e tala e na le mefuta e mengata ea ho ikamahanya le maemo, ho tjheseletsa ho ka qoba khatello e kholo, 'me khatello e ntle. Bothata ke hore boholo ba geometrike bo bobe. Bolelele ba ho tjheseletsa bo bolelele ho feta ba seam e otlolohileng. Mapetso, masoba, ho kenyelletsoa ha slag le ho kheloha ha ho tjheseletsa ho ka etsahala. Bakeng sa liphoso tsa ho tjheseletsa, khatello ea ho tjheseletsa e boemong ba khatello ea ho tensile.

Litlhaloso tsa moralo oa liphaephe tse akaretsang tsa oli le khase tse tsamaeang sebaka se selelele li bolela hore arc e kenelletseng ka hare ho spiral e ka sebelisoa feela libakeng tsa Sehlopha sa 3 le Sehlopha sa 4. Kamora ho ntlafatsa ts'ebetso kantle ho naha, thepa e tala e nkeloa sebaka ke lipoleiti tsa tšepe ho arola ho theha le ho tjheseletsa. Kamora ho tjheseletsa pele le ho nepahala, bophara ba ho tjheseletsa bo tla atoloha kamora ho tjheseletsa ka serame. Boleng ba ho tjheseletsa bo haufi le phaephe ea UOE.
Hona jwale, ha ho na mokgwa o jwalo Chaena. Ena ke tsela ya ntlafatso bakeng sa fektheri ya rona. Phaephe ya "Phetiso ya Kgase Bophirima-Botjhabela" e ntse e hlahiswa ho ya ka mokgwa wa setso, empa bophara ba pheletso ya phaephe bo atolositswe.
United States, Japane le Jeremane ka kakaretso li hana ho sebelisa SSAW 'me li lumela hore mola o ka sehloohong ha oa lokela ho sebelisa SSAW.
Canada le Italy li sebelisa SSAW ka karolo e itseng, 'me Russia e sebelisa SSAW ka bongata bo bonyenyane. Li entse maemo a thata haholo a tlatsetsang. Ka lebaka la mabaka a nalane, boholo ba mela ea li-trunk tsa lapeng li ntse li sebelisa SSAW. Thepa e tala e fetoloa ho ba poleiti ea tšepe ho arola ho theha le ho tjheseletsa. Kamora ho tjheseletsa pele le ho nepahala, bophara ba ho tjheseletsa bo tla atolosoa kamora ho tjheseletsa ka serame. Boleng ba ho tjheseletsa bo haufi le phaephe ea UOE.
Phaephe e welletsoeng ka seam e otlolohileng ea ERW hangata e sebelisoa e le sekoahelo sa terata indastering ea motlakase. Litšobotsi tsa ts'ebetso: Teko ea 100% ea ultrasonic ea thepa ea motsoali e netefatsa boleng ba mantlha ba 'mele oa phaephe; ha ho na ts'ebetso ea ho kuta disc e lokollang, 'me thepa ea motsoali e na le masoba le mengoapo e fokolang; phaephe e felileng kamora ho tlosoa ha khatello ha e na khatello e setseng; weld e khuts'oane 'me monyetla oa liphoso o monyane; e ka tsamaisa khase ea tlhaho e mongobo e bolila ka maemo; kamora katoloso ea bophara, ho nepahala ha boholo ba jeometri ea phaephe ea tšepe ho holimo; welding e etsoa ka mola o otlolohileng boemong bo otlolohileng kamora hore ho bōptjoa ho phetheloe, kahoo ho se lumellane hantle, ho buloa ha seam, le bophara ba phaephe li laoloa hantle, 'me boleng ba welding bo botle haholo. Litekanyetso tse ka sebelisoang tsa sehlahisoa: API 5L, API 5CT, ASTM, EN10219-2, GB/T9711, 14291-2006 le litekanyetso tse ling tsa morao-rao. Mekhahlelo ea tšepe ea sehlahisoa e kenyelletsa: GRB, X42, X52, X60, X65, X70, J55, K55, N80, L80, P110, jj. Lihlahisoa tsena li sebelisoa haholo oli, khase ea tlhaho, khase ea mashala, merafo ea mashala, mechini, motlakase, ho bokella le merero e meng. Lisebelisoa tsa theknoloji e tsoetseng pele ea ts'ebetso: joalo ka ho bopa W-FF, ho tjheseletsa ho kenella ha maqhubu a phahameng a tiileng, ho lemoha liphoso tsa ultrasonic, ho lemoha liphoso tsa ho lutla ha magnetic flux, le lisebelisoa tsa liteko tse phahameng: joalo ka tlhahlobo ea metallographic, teko ea thata ea Vickers, mochini oa teko ea tšusumetso, analyzer ea spectrum, mochini oa teko oa bokahohle le lisebelisoa tse ling. Lihlahisoa li romeloa Amerika Boroa, Amerika Leboea, European Union, Asia Boroa-bochabela le libakeng tse ling. Ho theosa le lilemo, li amohetsoe hantle ke bareki lefatšeng ka bophara.

Khamphani ea rona e fana kaEN10210S235JRH, S275JOH, S275J2H, S355JOH,S355J2H, S355K2H, ka litlhaloso tse qalang ka bophara ba kantle ba 219-1216, botenya ba lebota ba 6-40, le waranti ea fektheri ea mantlha. Bareki lefatšeng ka bophara ba amohelehile ho reka.