Ho utloisisa Phaephe ea ASTM A252: Boholo, Boleng, le Litšebeliso
Phaephe ea Astm A252ke karolo ea bohlokoa lits'ebetsong tsa meaho ho pholletsa le mefuta e mengata ea liindasteri, haholo-holo mererong ea kaho le ea meralo ea motheo. Blog ena e tla hlahloba boholo, boleng le ts'ebeliso ea phaephe ea ASTM A252, e totobatsa bokhoni ba moetsi ea ka sehloohong ea lulang Cangzhou, Profinseng ea Hebei.
Phaephe ea ASTM A252 ke eng?
Boholo ba Phaephe ea Astm A252ke tlhaloso e ntshetsweng pele ke Mokhatlo wa Amerika wa Teko le Disebediswa (ASTM) e hlalosang ditlhoko tsa phaephe ya tshepe e welditsweng le e se nang sekoli e sebediswang ditshebedisong tsa ho kenya diphaephe. Tekanyetso ena e shebane le botshepehi ba sebopeho sa phaephe le ho tshwarella ha yona, e leng se etsang hore e lokele metheo, marokho le ditshebediso tse ding tse boima.
Phaephe ea ASTM A252 ke eng?
ASTM A252 ke tlhaloso e nang le matla e entsoeng ke Mokhatlo oa Amerika oa Teko le Lisebelisoa (ASTM), haholo-holo bakeng sa liphaephe tsa tšepe tse sebelisoang ho khanneng liqubu le lits'ebetsong tsa tšehetso ea sebopeho se tebileng. Tekanyetso ena e hlalosa ka tieo sebopeho sa lik'hemik'hale, thepa ea mechini, mamello ea litekanyo le mekhoa ea liteko ea liphaephe tsa tšepe, ho netefatsa botšepehi ba tsona bo botle ba sebopeho, ho tšoarella le bokhoni ba ho jara moroalo. Ke khetho e ntle bakeng sa merero ea motheo e kang Marokho, mehaho e melelele le likou.
Litekanyo tsa Phaephe ea Astm A252litekanyo le litlhaloso
Liphaephe tsa ASTM A252 li arotsoe ka lihlopha tse tharo ho latela litlhoko tsa matla: GR 1, GR 2, le GR 3, tseo har'a tsona sehlopha sa GR 3 se nang le matla a holimo ka ho fetisisa. Boholo ba tsona boa tenyetseha 'me bo ka fihlela litlhoko tse fapaneng tsa boenjiniere.
Bophara ba kantle (OD): Ho tloha ho lisenthimithara tse 6 ho isa ho tse 60, le boholo bo boholo le ho feta bo ka hlahisoa.
Botenya ba lebota (WT): Hangata bo pakeng tsa lisenthimithara tse 0.188 le lisenthimithara tse 0.500, 'me bo ka fetoloa ho latela litlhoko tsa ho hanyetsa ho hatella le ho kobeha.
Bolelele: Bolelele bo tloaelehileng ke maoto a 20 kapa maoto a 40. Tlhahiso e ikhethileng e boetse e tšehetsoa ho latela litlhoko tsa projeke.
Mefuta ena e mengata ea boholo e netefatsa hore baenjiniere ba ka khetha litlhaloso tse theko e tlaase ka ho fetisisa bakeng sa merero e itseng.
Phaephe ea ASTM A252 e sebelisoa lits'ebetsong tse fapaneng, ho kenyeletsoa:
1. Ho bokella: Liphaephe tsena hangata li sebelisoa e le liqubu tsa mobu mererong ea kaho ho fana ka botsitso le tšehetso mohahong.
2. Marokho: Matla le ho tšoarella ha phaephe ea ASTM A252 ho etsa hore e be khetho e ntle bakeng sa kaho ea borokho, moo e ka mamellang meroalo e boima le maemo a tikoloho.
3. Meaho ea Leoatle: Ho hanyetsa mafome ha liphaephe tsena ho li lumella ho sebelisoa lits'ebetsong tsa leoatle tse kang libaka tsa likepe le lipier.
4. Oli le Khase: Ka lebaka la kaho ea eona e matla, phaephe ea ASTM A252 e boetse e sebelisoa indastering ea oli le khase ho tsamaisa metsi le likhase.
Ka kakaretso
Ka bokhutšoanyane, phaephe ea ASTM A252 ke karolo ea bohlokoa bakeng sa mefuta e mengata ea lits'ebetso tsa sebopeho, e fanang ka ts'epo le matla. Feme ena e Cangzhou, Profinseng ea Hebei, ke moetsi ea ka sehloohong oa mofuta ona oa phaephe, e netefatsang hore lihlahisoa tsa eona li fihlela maemo a boleng bo holimo ka ho fetisisa. Ka boitlamo ba bokhabane le ho tsepamisa maikutlo boqaping, k'hamphani e ntse e tsoela pele ho bapala karolo ea bohlokoa makaleng a kaho le meralo ea motheo. Hore na u ameha morerong o moholo oa kaho kapa u hloka tharollo e tšepahalang ea liphaephe, phaephe ea ASTM A252 ke khetho e ntle bakeng sa litlhoko tsa hau.
Nako ea poso: Loetse-04-2025