Lefatšeng la tlhahiso ea lipeipi tsa tšepe, ho utloisisa litlhaloso le litekanyetso tsa indasteri ho bohlokoa ho netefatsa boleng le ts'ebetso. E 'ngoe ea maemo a joalo ke ASTM A139, e hlalosang litlhoko tsa phala ea tšepe ea fusion ea motlakase (arc) bakeng sa tšebeletso ea khatello e phahameng. Blog ena e tla kenella ka botebo lintlhang tsa bohlokoa tsa ASTM A139 le ho lekola ts'ebeliso ea eona, haholo-holo molemong oa phala ea tšepe ea S235 J0 e hlahisoang ke moetsi ea ka sehloohong Cangzhou, Profinseng ea Hebei.
Lintlha tse ka sehloohong tsa ASTM A139
ASTM A139e akaretsa lintlha tse 'maloa tsa bohlokoa tsa tlhahiso ea lipeipi tsa tšepe, ho kenyelletsa le sebopeho sa thepa, thepa ea mochini le mekhoa ea liteko. Tekanyetso e shebana le lintlha tse latelang:
1. Sebopeho sa Material: ASTM A139 e totobatsa metsoako ea lik'hemik'hale ea tšepe e sebelisoang ho etsa liphaephe. Sena se kenyelletsa meeli e lumelletsoeng ea likarolo tse kang carbon, manganese, phosphorus, le sebabole ho netefatsa hore liphaephe li na le matla a hlokahalang le ho tšoarella nako e telele.
2. Thepa ea Mechini: Tekanyetso ena e hlalosa likarolo tse hlokahalang tsa mochini, ho kenyelletsa matla a tlhahiso, matla a ho tsitsa, le bolelele. Lintho tsena li bohlokoa ho netefatsa hore phala e khona ho mamella lits'ebetso tsa khatello e phahameng ntle le ho hloleha.
3. Litlhoko tsa ho tjheseletsa: Kaha ASTM A139 e sebetsana le liphaephe tsa ho cheselletsa, e kenyelletsa lintlha tsa mokhoa oa ho cheselletsa, ho kenyelletsa le mofuta oa weld, boleng ba weld, le mekhoa ea ho hlahloba ho netefatsa hore li-welds li finyella litekanyetso tse hlokahalang.
4. Mekhoa ea Teko: Tekanyetso e boetse e qaqisa mekhoa ea tlhahlobo e tlamehang ho sebelisoa ho netefatsa boleng le ts'ebetso ea lipeipi. Sena se kenyelletsa mekhoa e sa senyeheng ea liteko ho bona mefokolo leha e le efe ho li-welds kapa thepa ea liphaephe.
Tšebeliso ea phala ea tšepe ea ASTM A139
Lisebelisoa tsa liphaephe tsa tšepe tsa ASTM A139 li pharaletse ebile lia fapana, haholo liindastering tse hlokang lipeipi tsa khatello e phahameng. Liphaephe tsena li sebelisoa hangata bakeng sa:
- Indasteri ea Oli le Khase: Liphaephe tsa ASTM A139 li loketse ho tsamaisa oli le khase ka bokhoni ba tsona ba ho mamella khatello e phahameng le maemo a thata a tikoloho.
- Metsi a Phepelo ea Metsi: Ho tšoarella le matla a lipeipi tsena li etsa hore li tšoanelehe bakeng sa tšebeliso ea lits'ebetso tsa phepelo ea metsi le phepelo ea metsi, ho netefatsa phallo e tšepahalang ea metsi.
- Ts'ebetso ea Lik'hemik'hale: Limeleng tsa lik'hemik'hale, liphaephe li tlas'a lintho tse senyang 'me liphaephe tsa ASTM A139 li fana ka khanyetso e hlokahalang le ho tšepahala.
Melemo ea S235 J0phala ea tšepe ea spiral
E 'ngoe ea lihlahisoa tse hlahelletseng tse hlahisoang ke k'hamphani ea rona Cangzhou ke S235 J0 spiral steel pipe. Sehlahisoa sena se hlokomeleha ka ho khetheha bakeng sa ho fetoha ha eona ka bophara le litekanyo tsa botenya ba lebota. Ho ikamahanya le maemo ha tlhahiso ho etsa hore e khone ho hlahisa liphaephe tsa boemo bo phahameng tse nang le marako a teteaneng tse finyellang litlhoko tse fapaneng tsa liindasteri tse sa tšoaneng.
E thehiloe ka 1993, ka mor'a lilemo tsa tsoelo-pele e potlakileng, k'hamphani e se e akaretsa sebaka sa lisekoere-mithara tse 350,000, e na le thepa eohle ea RMB 680 milione, 'me e na le basebetsi ba inehetseng ba 680, ba ikemiselitseng ho hlahisa liphaephe tsa tšepe tsa boleng bo phahameng tse finyellang litekanyetso tsa machaba tse kang ASTM A139.
ha re phethela
Ho utloisisa ASTM A139 le litlhaloso tsa eona ho bohlokoa ho mang kapa mang ea amehang tlhahisong ea lipeipi tsa tšepe. Tekanyetso ena ha e tiise feela boleng le ts'ebetso ea phala, empa hape e bula mefuta e mengata ea likopo ho pholletsa le liindasteri tse sa tšoaneng. Ka lihlahisoa tse kang S235 J0 spiral steel pipe, k'hamphani ea rona e tsoela pele ho etella pele ho fa bareki litharollo tse feto-fetohang, tsa boleng bo holimo. Ho sa tsotellehe hore na u indastering ea oli le khase, phepelo ea metsi kapa ts'ebetso ea lik'hemik'hale, liphaephe tsa rona tsa tšepe li tla finyella litlhoko tsa hau le ho feta tebello ea hau.
Nako ea poso: Jan-15-2025