Pipe ea tšepe e sa tsitsang bakeng sa li-boilers ke mofuta oa phala ea boiler 'me ke ea sehlopha sa liphaephe tsa tšepe tse se nang moeli. Mokhoa oa ho etsa thepa o tšoana le oa liphaephe tsa tšepe tse se nang moeli, empa ho na le litlhoko tse tiileng tsa mofuta oa tšepe o sebelisoang ha ho etsoa liphaephe tsa tšepe. Liphaephe tsa tšepe tse se nang moeli bakeng sa li-boilers li atisa ho sebelisoa tlas'a mocheso o phahameng le maemo a phahameng a khatello. Tlas'a ketso ea mocheso o phahameng oa mocheso oa mocheso le mouoane oa metsi, liphaephe li tla oxidize le ho senya. Liphaephe tsa tšepe li hlokahala hore li be le matla a phahameng a tšoarellang, ho hanyetsa oxidation le ho bola, le botsitso bo botle ba sebopeho. Liphaephe tsa tšepe tse se nang seam bakeng sa li-boilers li sebelisoa haholo ho etsa liphaephe tse nang le khatello e phahameng, liphaephe tse kholo tsa mouoane, joalo-joalo.

Li-tubes tsa boiler tsa khatello e tlase le e maharengGB3087 leli-tubes tse se nang seamlessGB5310 ke lisebelisoa tsa boleng bo holimo tse sebelisetsoang ho etsa liphaephe tsa mouoane tse futhumetseng haholo, lipeipi tsa metsi a belang bakeng sa li-boilers tse nang le khatello e tlase ea meaho e fapaneng, liphaephe tsa mouoane tse futhumatsang haholo bakeng sa li-boilers tsa locomotive, liphaephe tse kholo tsa mosi, liphaephe tse nyane tsa mosi le lipeipi tsa litene tsa arch. Lipeipi tsa tšepe tse kolobisitsoeng ka carbon tse chesang le tse huleloang ka serame (tse phuthetsoeng) tse se nang moroko.Pipe ea tšepe e se nang seamless (GB/T8162)ke phala ea tšepe e se nang seam e sebelisoang bakeng sa meaho e akaretsang le meaho ea mochini.Liphaephe tsa boiler tse nang le khatello e phahameng ASME SA-106 (GR.B, GR.C)leASTM A210li sebelisetsoa liphaephe tsa boiler le liphaephe tsa boiler. Li-tubes, ho kenyeletsoa vault ea pheletso le li-strut tubes le li-tubes tse nyane tsa lerako tse se nang seam se mahareng tsa tšepe bakeng sa li-tubes tsa superheater,ASME SA-213, ferritic e se nang moeli le ea austenitic bakeng sa li-boilers, li-superheaters le lisebelisoa tsa mocheso Alloy steel pipe,ASTM A335 P5, P9, P11, P12, P22, P9, P91, P92, ferritic alloy seamless tšepe pipe bakeng sa mocheso o phahameng.

Litlhaloso le boleng ba ponahalo: GB5310-2017 "Seamless Steel Pipe for High-Pressure Boilers" Bophara bo ka ntle ba liphaephe tse chesang ke 22 ho ea ho 530mm, 'me botenya ba lerako bo tloha ho 20 ho ea ho 70mm. Bophara ba ka ntle ba liphaephe tse huloang ke serame (tse kolobisitsoeng ka serame) li tloha ho 10 ho isa ho 108mm, 'me botenya ba lebota bo tloha ho 2.0 ho isa ho 13.0mm.

Li-tubes tse se nang seam bakeng sa li-boilers li nka limaraka tsa tšepe

(1) Likarolo tse phahameng tsa boleng ba carbon structural steel li kenyelletsa 20G, 20MnG, le 25MnG.

(2) Alloy structural steel grade15MoG, 20MoG, 12CrMoG,15CrMoG, 12Cr2MoG, 12CrMoVG, joalo-joalo.