Lefatšeng la tlhahiso ea liphaephe tsa tšepe, ho utloisisa litlhaloso le maemo a indasteri ho bohlokoa ho netefatsa boleng le ts'ebetso. Tekanyetso e 'ngoe e joalo ke ASTM A139, e hlalosang litlhoko tsa phaephe ea tšepe e kopantsoeng ka motlakase (arc) bakeng sa ts'ebeletso ea khatello e phahameng. Blog ena e tla teba ka botebo litlhalosong tsa bohlokoa tsa ASTM A139 le ho hlahloba ts'ebeliso ea eona, haholo-holo moelelong oa phaephe ea tšepe e spiral ea S235 J0 e hlahisoang ke moetsi ea ka sehloohong Cangzhou, Profinseng ea Hebei.
Litlhaloso tse ka sehloohong tsa ASTM A139
ASTM A139Tekanyetso e akaretsa likarolo tse 'maloa tsa bohlokoa tsa tlhahiso ea liphaephe tsa tšepe, ho kenyeletsoa le sebopeho sa thepa, thepa ea mechini, le mekhoa ea liteko. Tekanyetso e shebane le litlhaloso tse latelang:
1. Sebopeho sa Thepa: ASTM A139 e totobatsa sebopeho sa lik'hemik'hale sa tšepe e sebelisoang ho etsa liphaephe. Sena se kenyelletsa meeli e lumelletsoeng bakeng sa likarolo tse kang khabone, manganese, phosphorus le sebabole ho netefatsa hore liphaephe li na le matla le ho tšoarella ho hlokahalang.
2. Litšobotsi tsa Mekaniki: Tekanyetso ena e hlalosa litšobotsi tse hlokahalang tsa mekaniki, ho kenyeletsoa matla a tlhahiso, matla a ho thapolla le ho lelefala. Litšobotsi tsena li bohlokoa ho netefatsa hore phaephe e khona ho mamella ts'ebeliso ea khatello e phahameng ntle le ho hloleha.
3. Litlhoko tsa ho tjheseletsa: Kaha ASTM A139 e sebetsana le liphaephe tsa ho tjheseletsa, e kenyelletsa litlhaloso tsa ts'ebetso ea ho tjheseletsa, ho kenyeletsoa mofuta oa ho tjheseletsa, boleng ba ho tjheseletsa, le mekhoa ea tlhahlobo ho netefatsa hore li-weld li fihlela maemo a hlokahalang.
4. Mekhoa ea Teko: Tekanyetso e boetse e hlalosa mekhoa ea teko e lokelang ho sebelisoa ho netefatsa boleng le ts'ebetso ea phaephe. Sena se kenyelletsa mekhoa ea teko e sa senyeheng ho lemoha liphoso life kapa life ho li-weld kapa thepa ea phaephe.
Tšebeliso ea Pipe ea Tšepe ea ASTM A139
Litšebeliso tsa liphaephe tsa tšepe tsa ASTM A139 li pharaletse ebile lia fapana, haholo-holo liindastering tse hlokang litsamaiso tsa liphaephe tse nang le 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.
- Mekhoa ea Phepelo ea Metsi: Ho tšoarella le matla a liphaephe tsena li etsa hore li lokele ho sebelisoa litsamaisong tsa phepelo ea metsi le kabo ea metsi, ho netefatsa phallo e tšepahalang ea metsi.
- Ts'ebetso ea Lik'hemik'hale: Limeleng tsa lik'hemik'hale, liphaephe li ka hlaseloa ke lintho tse senyang 'me liphaephe tsa ASTM A139 li fana ka khanyetso le ts'epo e hlokahalang.
Melemo ea S235 J0phala ea tšepe e potolohang
E 'ngoe ea lihlahisoa tse ikhethang tse hlahisoang ke k'hamphani ea rona Cangzhou ke phaephe ea tšepe e spiral ea S235 J0. Sehlahisoa sena se tsebahala haholo ka ho tenyetseha ha sona ka bophara le litlhaloso tsa botenya ba lebota. Ho tenyetseha ha tlhahiso ho se nolofalletsa ho hlahisa liphaephe tse nang le mabota a maholo tse fihlelang litlhoko tse fapaneng tsa liindasteri tse fapaneng.
Khamphani e thehiloe ka 1993, kamora lilemo tsa nts'etsopele e potlakileng, joale e akaretsa sebaka sa lisekoere-mithara tse 350,000, e na le thepa eohle ea RMB limilione tse 680, 'me e na le basebetsi ba inehetseng ba 680, ba ikemiselitseng ho hlahisa liphaephe tsa tšepe tsa boleng bo holimo tse fihlelang maemo a machaba a kang ASTM A139.
ha re phethela
Ho utloisisa ASTM A139 le litlhaloso tsa eona ho bohlokoa bakeng sa mang kapa mang ea amehang tlhahisong ea liphaephe tsa tšepe. Tekanyetso ena ha e netefatse feela boleng le ts'ebetso ea phaephe, empa hape e bula mefuta e mengata ea lits'ebetso ho pholletsa le liindasteri tse fapaneng. Ka lihlahisoa tse kang phaephe ea tšepe ea spiral ea S235 J0, k'hamphani ea rona e ntse e tsoela pele ho etella pele ho fa bareki litharollo tse tenyetsehang le tsa boleng bo holimo. Ebang u indastering ea oli le khase, phepelo ea metsi kapa ts'ebetso ea lik'hemik'hale, liphaephe tsa rona tsa tšepe li tla fihlela litlhoko tsa hau 'me li fete litebello tsa hau.
Nako ea poso: Pherekhong-15-2025