Mererong ea motheo oa liqubu le kaho ea motheo o tebileng, khetho ea boholo ba liqubu tsa liphaephe tsa tšepe e ama ka kotloloho bokhoni ba ho jara sebopeho le polokeho ea boenjiniere. Boholo ba Liphaephe tsa ASTM A252 (tekanyetso ea ASTM A252 bakeng sa liqubu tsa liphaephe tsa tšepe) e fa baenjiniere litataiso tse hlakileng tsa litlhaloso, ho netefatsa hore khetho e thehiloe bopaking bo tiileng 'me boleng bo ka laoloa. Sengoloa sena se tla u thusa ho utloisisa mefuta e tloaelehileng ea litlhaloso le ho hlahloba mokhoa oa ho laola boleng ba sehlahisoa ho tsoa mohloling.
Litlhaloso tse tloaelehileng tsaLiqubu tsa liphaephe tsa tšepe tsa ASTM A252
Tekanyetso ea ASTM A252 e akaretsa liqubu tsa liphaephe tsa tšepe ea khabone tse sebelisoang mererong ea motheo oa liqubu, e arotsoe ka mefuta e 'meli: liphaephe tsa tšepe tse se nang sekoli le kaho e kopantsoeng. Mefuta e tloaelehileng ea litlhaloso hangata e kenyelletsa:
Bophara ba nomine: bo tloha ho lisenthimithara tse 168.3 ho isa ho lisenthimithara tse 1524, bo akaretsa litlhoko tsa metheo e menyenyane le e mahareng hammoho le e meholo ea liqubu.
Letoto la botenya ba lebota: Le fana ka litlhaloso tse fapaneng ho kenyeletsoa le botenya ba lebota bo tloaelehileng (STD), lebota le teteaneng haholo (XS), le lebota le teteaneng habeli (XXS)
Ho iketsetsa bolelele: Bolelele bo tloaelehileng ba lesoba le le leng bo tloha ho limithara tse 6 ho isa ho tse 12. Bolelele bo ikhethileng bo ka boela ba fanoa ho latela litlhoko tsa boenjiniere.
Moralo o tloaelehileng oa tsenaBoholo ba Phaephe ea Astm A252e nolofalletsa baenjiniere ho khetha mofuta o nepahetseng ka nepo ho latela maemo a jeoloji le litlhoko tsa mojaro, ha ka nako e ts'oanang e ntlafatsa litšenyehelo tsa thepa ha ka nako e ts'oanang e netefatsa polokeho.
Mokhoa oa tlhahiso ea ho kenya liphaephe le litlhoko tsa thepa
Tekanyetso ea ASTM A252 e beha melaoana e thata bakeng sa thepa e sebelisoang ho li-fitting tsa liphaephe. Li-fitting tsa liphaephe li ka etsoa ka likarolo tse entsoeng ka ho qhibilihisoa, li-bar, lipoleiti, kapa lihlahisoa tsa li-tube tse se nang seamless le tse kopantsoeng ka ho kopanya (liphaephe tse kopantsoeng), empa thepa e tlameha ho ba tšepe e bolailoeng ho netefatsa hore sebopeho se kopane. Ts'ebetso ea ho bopa e ka khethoa ho tloha ho hamore forging, stamping, extrusion, cold drawing, rolling, kobeha, welding, machining, le mekhoa e meng, kapa motsoako oa tsona.
Tekanyetso e totobatsa haholo-holo hore mokhoa oa ho bopa ha oa lokela ho baka liphoso tse kotsi sehlahisoa. Bakeng sa li-fitting tsa liphaephe tse entsoeng mochesong o phahameng, sekhahla sa ho pholisa se tlameha ho laoloa ka thata - li lokela ho pholisoa ho fihlela ka tlase ho mocheso o bohlokoa tlas'a maemo a loketseng, 'me sekhahla sa ho pholisa ha sea lokela ho ba kapele ho feta sekhahla sa tlhaho sa ho pholisa moeeng o sa sisinyeheng ho thibela tšenyo ea lisele e bakoang ke ho pholisa ka potlako.
Tlhahlobo e Tiileng: Netefatso ea Boleng ho tloha Fekthering ho ea Sebakeng sa Kaho
E tšepahalangLifeme tsa ASTM A252e tlameha ho hlomelloa ka sistimi e felletseng ea tlhahlobo. Litekanyetso li bolela hore sehlopha se seng le se seng sa likarolo tsa liphaephe se lokela ho feta ho:
Teko ea ho thaepa: Ho netefatsa matla a tlhahiso, matla a ho thaepa le ho lelefala ha thepa
Teko ea ho thatafala: Netefatsa hore ho thatafala ha thepa ho ka har'a moeli o lumelletsoeng ho qoba ho robeha ho pshatlehang ka lebaka la ho thatafala ho feteletseng.
Teko ea Hydrostatic: Sebelisa khatello e boletsoeng ho li-fitting tsa liphaephe ho netefatsa bokhoni ba tsona ba ho jara khatello le ho tiea ha li-weld.
Ho kgetha Difektheri tsa Astm A252 tse nang le boiphihlelo ha ho bolele feela ho fumana dihlahiswa tse fihlelang maemo a boholo, empa hape ho bolela ho fumana boitlamo ba boleng bo fetileng ditekong tse ngata. Difektheri tse tlwaelehileng di ka fana ka ditlaleho tse felletseng tsa teko le ditokomane tsa ho latela boleng, tse fanang ka motheo o tiileng bakeng sa polokeho le botshepehi ba diporojeke tsa motheo wa qubu.
Nako ea poso: Hlakubele-13-2026