Lefapheng la lipeipi tsa indasteri, maemo ke tiiso ea boleng. Kajeno, re tla u tsebisa maemo a bohlokoa a ASTM A139 'me re u fe lihlahisoa tsa boleng bo holimo tsa lipeipi tsa tšepe tse spiral tse hlahisoang ho latela maemo ana.
Kakaretso eaASTM A139E tloaelehileng
ASTM A139 ke "Tlhaloso e Tloaelehileng bakeng sa Liphaephe tsa Tšepe tse Welded tsa Motlakase tse Fusioneng" tse entsoeng ke Mokhatlo oa Amerika oa Liteko le Lisebelisoa. E akaretsa ka ho khetheha liphaephe tsa tšepe tse hlahisoang ho sebelisoa mokhoa oa ho tjheseletsa oa motlakase. Tekanyetso ena e kenyelletsa lihlopha tse hlano ho tloha ho A ho ea ho E, haholo-holo tse arotsoeng ho latela matla a fokolang a chai a liphaephe tsa tšepe, 'me e sebelisoa haholo libakeng tse nang le khatello e mahareng kapa khatello e phahameng bakeng sa ho tsamaisa likhase, metsi, oli le lino tse ling.
Ho latela maemo a ASTM A139Liphaephe tsa Tšepe tsa Astme tlameha ho feta taolong e tiileng ea ts'ebetso ea tlhahiso le liteko tse matla tsa ts'ebetso ea mechini ho netefatsa hore phaephe e 'ngoe le e 'ngoe ea tšepe e na le bokhoni bo tsitsitseng ba ho jara mojaro le boleng bo tšepahalang ba ho tjheseletsa.
Lihlahisoa tse ncha tse thehiloeng ho ASTM A139
Jwalo ka moetsi ya ka sehloohong wa diphaephe tsa tshepe tse potolohang Chaena, Cangzhou Spiral Steel Pipe Group e sa tswa qala phaephe ya tshepe e potolohang ya S235 J0 e itshetlehileng hodima maemo a ASTM A139. Sehlahiswa sena se emela katleho ya rona ya moraorao lefapheng la theknoloji ya diphaephe tsa tshepe.
Sehlahisoa sena se amohela mokhoa o tsoetseng pele oa ho theha liphaephe tsa tšepe tse potolohang 'me se na le melemo e latelang e hlokomelehang:
Taolo ea ho feto-fetoha ha sebopeho ka mokhoa o ts'oanang: Ts'ebetso ea ho theha spiral e netefatsa hore poleiti ea tšepe e tlas'a matla a ts'oanang nakong eohle ea ts'ebetso, ho qoba khatello ea lehae.
Ho Fokotsa kgatello e setseng: Taolo e nepahetseng ya diparamitha tsa ho bopa e netefatsa hore kgatello e setseng ka hara phaephe ya tshepe e a fokotswa, ka hona e ntlafatsa botsitso ba nako e telele ba sehlahiswa.
Boleng bo botle ba bokaholimo: Kalafo ea bokaholimo e boreleli le e se nang mengoapo, e fokotsang bothata ba ts'ebeliso ea sekoahelo se thibelang mafome le ho eketsa nako ea ts'ebeletso.
Tiisetso ea matla a khoebo
Sehlopha sa Liphaephe tsa Tšepe tse Kobehileng sa Cangzhou se thehiloe ka 1993, se Cangzhou, Profinseng ea Hebei. E se e le moetsi e moholo ka ho fetisisa oa liphaephe tsa tšepe tse kobehileng le lihlahisoa tsa ho koahela liphaephe Chaena. Khamphani e akaretsa sebaka sa limithara tse lisekoere tse 350,000 ka thepa eohle ea li-yuan tse limilione tse 68 le basebetsi ba 680 hajoale. 1.8 Billion RMB ea tlhahiso ea selemo le selemo, lithane tse 400,000 tsa liphaephe tsa tšepe tse kobehileng ka selemo.
Kamehla re ntse re tlisa Maemo a Machaba ho Tlhahiso ea Chaena ka lilemo tse 30. Phaephe e 'ngoe le e 'ngoe ea Tšepe ea Astm e phethahatsang maemo a ASTM A139 AWWA NSC e hlahlojoa ka mekhoa e fapaneng ea tlhahlobo e fapaneng ka tieo nakong ea theko ea thepa e tala ho fihlela sehlahisoa sa ho qetela se tlisoa.
Ho khetha liphaephe tsa tšepe tse potolohang tse lumellanang le maemo a ASTM A139 ke qeto ea polokeho, botšepehi le ho tšoarella. Sehlopha sa Liphaephe tsa Tšepe tse Kobehileng sa Cangzhou se labalabela ho sebelisana le uena ho haha merero ea liphaephe tse tšoarellang nako e telele.
Nako ea poso: Hlakubele-05-2026