LSAW peipi ea tšepeke phala ea tšepe e bapileng ka longitudinally. Hangata e arotsoe ka metric welded tšepe phala, welded tšesaane-marako phala, transformer tsidifatso phala, joalo-joalo. Pipe e otlolohileng ea seam welded e na le mokhoa o bonolo oa tlhahiso, katleho e phahameng ea tlhahiso, theko e tlaase, le tsoelo-pele e potlakileng. LSAW phala ea tšepe ho latela ts'ebetso ea tlhahiso e ka aroloa ka phala ea tšepe e otlolohileng ea maqhubu a holimo le arc e kentsoeng ka tlas'a metsi e otlolohileng seam tšepe phala. Lipeipi tsa tšepe tse kentsoeng ka tlas'a metsi tse otlolohileng tsa seam li arotsoe ka lipeipi tsa tšepe tsa UOE, RBE, le JCOE ho latela mekhoa ea tsona e fapaneng ea ho etsa. Se latelang se hlalosa phala ea tšepe e otlolohileng ea maqhubu a phahameng a maqhubu a holimo le arc e kentsoeng ka metsing e kolobisitsoeng ka mokhoa o otlolohileng oa phala ea tšepe.

• Ho otla: Ka mor'a hore poleiti ea tšepe e sebelisoang bakeng sa ho etsa liphaephe tsa tšepe tse nang le bophara bo boholo bo boholo bo ka tlas'a metsi-arc welded otlolohileng-joint e kena moleng oa tlhahiso, tlhahlobo e feletseng ea ultrasonic e qala ho etsoa;

 

• Moeli oa ho sila: Ka mochini oa ho sila, likarolo tse peli tsa tšepe li entsoe ka mahlakoreng a mabeli ho fihlela bophara bo hlokehang ba poleiti, parallelism le sebopeho sa groove;

 

• Pele ho kobeha: Mochini o kobehang pele o kobeha bohale e le hore moeli oa boto o be le sekhahla se finyellang litlhoko;

 

• Ho theha: Taba ea pele, halofo ea poleiti ea tšepe e kobehileng e ea hatisoa ebe e hatisoa ka sebopeho sa "J" mochining oa JCO. Halofo e 'ngoe ea poleiti ea tšepe e boetse e kobehile 'me e hatelloa ka sebopeho sa "C" ho etsa lesoba. Sebopeho sa "O".

 

• Pele ho tjheseletsa: Ka mor'a ho thehoa ha seam o otlolohileng welded tšepe phala manonyeletso le tjheseletsa tsoelang pele sebelisa khase shielded tjheseletsa (MAG);

 

• Ho tjheseletsa ka hare: Sebelisa tjheseletsa e otlolohileng ya mehala e mengata e ka tlasa metsi (ho fihla ho mehala e mene) ho tjheseletsa ka hare ho phala ya tshepe e otlolohileng ya seam;

 

• Ho tjheseletsa ka ntle: Sebelisa tjheseletsa e otlolohileng ya terata e mengata e ka tlasa metsi ho tjheseletsa kantle ho peipi ya tshepe ya LSAW;

 

• Tlhahlobo ea Ultrasonic I: tlhahlobo ea 100% ea li-welds tse ka hare le tse ka ntle tsa pipe ea tšepe e entsoeng ka longitudinal le tšepe ea motheo ka mahlakoreng ka bobeli a weld;

 

• Tlhahlobo ea X-ray I: Tlhahlobo ea 100% ea liindasteri tsa X-ray ea li-welds tse ka hare le tsa ka ntle, ho sebelisa mekhoa ea ho sebetsana le litšoantšo ho netefatsa hore ho na le kutloisiso ea ho lemoha;

 

• Bophara bo atolositsoeng: Bolelele bo felletseng ba phala e ka tlas'a metsi-arc e otlolohileng ea tšepe ea seam e otlolohileng e atolosoa ho ntlafatsa ho nepahala ha phala ea tšepe le ho ajoa ha khatello ea kahare ea phala ea tšepe e ntlafalitsoe;

 

• Teko ea khatello ea Hydraulic: Bophara ba motso oa phala ea tšepe e atolositsoeng e lekoa mochining oa tlhahlobo ea hydrostatic ho netefatsa hore phala ea tšepe e kopana le khatello e hlokahalang ea tlhahlobo. Mochine o na le mesebetsi ea ho rekota le ea ho boloka;

 

• Chamfering: Ka mor'a ho feta tlhahlobo, phala ea tšepe e sebetsoa ke pheletso ea phala ho fihlela boholo bo hlokahalang ba lipeipi tsa groove;

 

• Tlhahlobo ea Ultrasonic II: Tlhahlobo ea Ultrasonic e etsoa ka bonngoe hape ho hlahloba bofokoli bo ka 'nang ba hlaha ka seam e otlolohileng liphaephe tsa tšepe tse entsoeng ka tšepe ka mor'a ho atolosa bophara le khatello ea metsi.

 

• Tlhahlobo ea X-ray II: Tlhahlobo ea liindasteri tsa X-ray le tlhahlobo ea seam ea li-tube-end weld ea li-tubes tsa tšepe ka mor'a ho atolosa bophara le tlhahlobo ea khatello ea hydrostatic;

 

• Tlhahlobo ea li-tube end magnetic particle: Tlhahlobo ena e etsoa ho fumana mefokolo ea ho qetela ea tube;

 

• Anti-corrosion le ho roala: Peipi ea tšepe e tšoanelehang e thibela ho bola le ho roala ho latela litlhoko tsa mosebedisi.