Sebaka sa moetsi oa lipeipi tsa tšepe tsa boleng bo holimo tse 16Mn
(1) Limaraka tsa tšepe tsa boleng bo phahameng ba khabone li kenyelletsa 20g, 20mng le 25mng.
(2) Alloy structural steel grade: 15mog, 20mog, 12crmog, 15CrMoG, 12CR2MOG, 12crmovg, 12Cr3MoVSiTiB, joalo-joalo.
(3)Ntle le ho netefatsa sebopeho sa lik'hemik'hale le lisebelisoa tsa mochini, li-boiler tubes tsa 1Cr18Ni9 le 1cr18ni11nb tse atisang ho sebelisoa ka tšepe e sa keneleng mocheso li tla ba tlas'a teko ea hydrostatic, ho tuka le ho batalla ka bonngoe. Liphaephe tsa tšepe li tla tlisoa maemong a phekoloang ka mocheso.
(1)Gb3087-2008 li-tubes tsa tšepe tse se nang moeli bakeng sa li-boilers tsa khatello e tlaase le e bohareng. Teko ea tensile e tla lumellana le GB / t228-87, tlhahlobo ea hydrostatic e nang le GB / t241-90, tlhahlobo e bataletseng e nang le GB / t246-97, tlhahlobo ea ho phatloha ka GB / t242-97 le tlhahlobo e batang ea ho khumama ka gb244-97.
(2)GB5310-2008 li-tubes tsa tšepe tse se nang moeli bakeng sa li-boilers tse phahameng tsa khatello. Teko ea tensile, hydraulic test le flattening test li tšoana le tse boletsoeng ho gb3087-82; Teko ea tšusumetso ho latela gb229-94, tlhahlobo ea flaring ho latela GB / t242-97 le tlhahlobo ea boholo ba lijo-thollo ho latela Yb / t5148-93; Tlhahlobo ea microstructure e tla ba ho latela gb13298-91, tlhahlobo ea decarburized layer e tla ba ho latela gb224-87, 'me tlhahlobo ea ultrasonic e tla ba ho latela GB / t5777-96.
(3) Tlhahlobo ea ts'ebetso ea 'mele le li-index tsa li-boiler tubes tse tsoang linaheng tse ling li tla etsoa ho latela litekanyetso tse nepahetseng tse boletsoeng tumellanong.
Matla a maholo (FB) a tsamaisoang ke sampuli nakong ea ho robeha ha tsitsipano ke khatello ea maikutlo e fumanoang sebakeng sa pele sa sefapano (so) sa sampole ((σ) , E bitsoang tensile strength(σ b) , in N / mm2 (MPA) . E emela bokhoni bo phahameng ba lisebelisoa tsa tšepe ho hanela ho hlōleha tlas'a tsitsipano. Foromo ea lipalo ke:
Moo: FB -- boholo ba matla a jereng sampole ha e robehile, n (Newton); Kahoo -- sebaka sa mantlha sa sampole, mm2.
Bakeng sa lisebelisoa tsa tšepe tse nang le ts'ebetso ea lihlahisoa, khatello ea maikutlo ha mohlala o ka tsoela pele ho lelefatsa ntle le ho eketseha (ho boloka kamehla) khatello ea maikutlo nakong ea ts'ebetso ea ho tsitsipana e bitsoa ntlha ea lihlahisoa. Haeba khatello ea kelello e fokotseha, lintlha tsa lihlahisoa tse holimo le tse tlaase li tla khetholloa. Karolo ea ntlha ea lihlahisoa ke n / mm2 (MPA).
Ntlha ea tlhahiso e holimo (σ Su):khatello e phahameng ea khatello pele khatello ea lihlahisoa ea sampuli e fokotseha ka lekhetlo la pele; Ntho e tlaase ea lihlahisoa (σ SL): khatello e fokolang ea khatello ea boemo ba lihlahisoa ha phello ea pele ea hang-hang e sa nkoa.
Foromo ea lipalo ea ntlha ea lihlahisoa ke:
Moo: FS -- chai ea khatello ea maikutlo (kamehla) ea sampole nakong ea tsitsipano, n (Newton) joalo -- sebaka sa mantlha sa karolo ea sampole, mm2.