Khatello e tlase le e maharengphala ea boilere sebelisa ingot ea tšepe kapa tube e tiileng ho capillary e nang le perforated, ebe e daela e entsoeng ka ho chesa, ho bata kapa ho bata.
Ho ea ka lipalo-palo tse sa fellang, likhoebo tsa tlhahiso ea liphaephe tsa China tse seamless li ka ba 240 ho feta yuniti ea lipeipi tsa tšepe tse seamless e ka bang lihlopha tse fetang 250 tsa matla a tlhahiso ea lithane tse ka bang limilione tse 450.E bonoa ho tsoa ho caliber <φ76, e ikarabellang bakeng sa 35% <φ159-650, e ikarabellang bakeng sa 25%.Ho tsoa mefuteng e fapaneng ea sepheo se akaretsang sa lithane tse limilione tse 1.9, tse etsang 54%;peipi ea oli lithane tse 760,000, tse etsang 5.7%;hydraulic prop, precision tube lithane tse limilione tse 15, tse etsang 4.3%;phala ea tšepe e sa hloekang, li-tube bearings, tube ea likoloi bakeng sa kakaretso ea lithane tse 50 000, tse etsang 1.4%.

Mookameli oa phaephe ea khatello e tlase le e mahareng Tekanyetso: GB3087-1999 li-tubes tsa tšepe tse se nang seamless tsa khatello e tlase le e mahareng.

Pipe ea boiler ea khatello e tlase le e mahareng e sebelisetsoa ho theha meaho e fapaneng e nang le liphaephe tse tlase tse nang le khatello e tlase ea mocheso o phahameng haholo le phala ea locomotive boiler e nang le mocheso o matla oa mouoane, phala ea opium, phala e nyane le litene tsa arch tsa tšepe ea boleng bo holimo e kentsoeng le e batang. (rolled) tube e se nang moroko.E sebelisoa haholo ho li-boilers tsa indasteri le boiler ho tsamaisa mokelikeli o tlase oa khatello ea liphaephe.Moemeli oa thepa 10, 20 tšepe.