1.Ke eng Hot Rolled Steel Material Grades
Tšepe ke motsoako oa tšepe o nang le khabone e nyane. Lihlahisoa tsa tšepe li tla ka limaraka tse fapaneng ho latela peresente ea khabone eo li nang le eona. Lihlopha tse fapaneng tsa tšepe li arotsoe ho ea ka likahare tsa tsona tsa khabone. Likarolo tsa tšepe tse chesang li arotsoe ka lihlopha tse latelang tsa carbon:
Khabone e tlase kapa tšepe e bonolo e na le 0.3% kapa ka tlase ho khabone ka bophahamo ba modumo.
Tšepe ea carbon e bohareng e na le 0.3% ho isa ho 0.6% carbon.
Litšepe tse nang le carbon e phahameng li na le carbon e fetang 0.6%.
Likarolo tse nyane tsa lisebelisoa tse ling tsa alloying joalo ka chromium, manganese kapa tungsten le tsona li eketsoa ho hlahisa limaraka tse ling tse ngata tsa tšepe. Likarolo tse fapaneng tsa tšepe li fana ka lisebelisoa tse 'maloa tse ikhethang joalo ka matla a tensile, ductility, malleability, durability, le mocheso le motlakase.
2.Differences pakeng tsa Hot Rolled Steel le Cold Rolled Steel
Lihlahisoa tse ngata tsa tšepe li etsoa ka litsela tse peli tsa mantlha: ho chesa ho chesa kapa ho roala ho batang. Ho chesa tšepe phuthoa ke leloala tshebetso eo ka eona tšepe moqolo petelitsoe ka mocheso phahameng. Ka kakaretso, mocheso oa tšepe e kolobisitsoeng o chesang o feta 1700 ° F. Cold rolled steel ke ts'ebetso eo ka eona tšepe e hatelloang ka mocheso oa kamore.
Ke habohlokoa ho hlokomela hore ka bobeli litšepe tse chesang le tse batang ha se limaraka tsa tšepe. Ke mekhoa ea pele ea ho etsoa e sebelisoang bakeng sa mefuta e sa tšoaneng ea lihlahisoa tsa tšepe.
Ts'ebetso ea tšepe e kolobisitsoeng e chesang
Litšepe tse chesang li kopanyelletsa ho etsa le ho phutholla matlapa a tšepe hore e be khoele e telele ha a ntse a futhumatsoa ka holim'a mocheso o nepahetseng. Letlapa le lefubelu-hot le feptjoa ka letoto la liloala tsa roll ho theha le ho le otlolla hore e be lesela le lesesaane. Ka mor'a hore ho etsoa ho phethoe, lesela la tšepe le pholile ka metsi 'me le kenngoe ka khoele. Litefiso tse fapaneng tsa ho futhumatsa metsi li hlahisa lisebelisoa tse ling tsa metallurgic ka tšepe.
Ho tloaeleha ho chesa tšepe e halikiloeng ka mocheso oa kamore ho lumella matla a eketsehileng le ductility.
Litšepe tse chesang hangata li sebelisoa bakeng sa kaho, liporo, litšepe, le lisebelisoa tse ling tse sa hlokeng liphetho tse ntle kapa libopeho tse nepahetseng le mamello.
Ts'ebetso ea tšepe e kolobisitsoeng e batang
Cold rolling steel e futhumatsoa 'me ea pholile joalo ka tšepe e bilikisitsoeng e chesang, empa e ntan'o sebetsoa hape ka ho kolobisoa kapa ho halefa ho hlahisa matla a holimo le ho fana ka matla. Mosebetsi o eketsehileng le nako ea ts'ebetso e eketsa litšenyehelo empa e lumella ho mamellana ha mahlakore a haufi 'me e fana ka mefuta e mengata ea likhetho tsa ho qetela. Mofuta ona oa tšepe o na le qetello e boreleli 'me o sebelisoa lits'ebetsong tse hlokang boemo bo itseng ba holim'a metsi le mamello ea boholo.
Litšebeliso tse tloaelehileng bakeng sa litšepe tse batang li kenyelletsa likarolo tsa sebopeho, thepa ea ka tlung ea tšepe, lisebelisoa tsa lapeng, likarolo tsa koloi le lisebelisoa tsa tekheniki moo ho hlokahalang ho nepahala kapa ho khahleha.
3.Hot Rolled Steel Grades
Litšepe tse chesang li fumaneha ka limaraka tse 'maloa ho fihlela litlhoko tsa projeke ea hau. The American Society for Testing and Materials (ASTM) kapa Society of Automotive Engineers (SAE) e beha litekanyetso le limaraka ho latela sebōpeho sa 'mele le bokhoni ba tšepe e' ngoe le e 'ngoe.
Mekhahlelo ea tšepe ea ASTM e qala ka tlhaku “A” e emelang tšepe ea tšepe. The SAE grading system (eo hape e tsejoang e le American Iron and Steel Institute kapa AISI system) e sebelisa nomoro ea linomoro tse 'ne bakeng sa ho arola. Likarolo tsa tšepe tse hlakileng tsa k'habone tsamaisong ena li qala ka linomoro tsa 10, 'me li lateloe ke lipalo tse peli tse bonts'ang khatello ea khabone.
Tse latelang ke limaraka tse tloaelehileng tsa tšepe e kolobisitsoeng e chesang. Ka kopo hlokomela hore lihlahisoa tse ling li fanoa ka likhetho tse peli tse chesang le tse batang.
A36 Hot Rolled Steel
Litšepe tse chesang tsa A36 ke e 'ngoe ea litšepe tse chesang haholo tse fumanehang (e boetse e tla ka mofuta o batang, o sa tloahelehileng haholo). Tšepe ena e tlaase ea carbon e boloka lik'habone tse ka tlaase ho 0.3% ka boima ba 'mele, 1.03% manganese, 0.28% silicon, 0.2% koporo, 0.04% phosphorus, le 0.05% sebabole. Lisebelisoa tse tloaelehileng tsa indasteri ea tšepe ea A36 li kenyelletsa:
Liforeimi tsa literaka
Thepa ea temo
Shelving
Litsela tsa maoto, lirampi le litšepe tsa balebeli
Tšehetso ea sebopeho
Litereilara
Boqapi bo akaretsang
1018 Hot Rolled Carbon Steel Bar
Haufi le A36, AISI/SAE 1018 ke e 'ngoe ea limaraka tse tloaelehileng tsa tšepe. Ka tloaelo, sehlopha sena se sebelisoa molemong oa A36 bakeng sa liforomo tsa bar kapa strip. Lisebelisoa tsa tšepe tsa 1018 li tla ka mefuta e 'meli e chesang e kolobisitsoeng le e batang, leha serame se kolobisitsoeng se sebelisoa hangata. Liphetolelo tsena ka bobeli li na le matla le boima bo betere ho feta A36 'me li loketse hantle bakeng sa ts'ebetso e batang ea ho etsa, joalo ka ho kobeha kapa ho phunya. 1018 e na le 0.18% feela ea carbon le 0.6-0.9% ea manganese, e leng ka tlaase ho A36. E boetse e na le mesaletsa ea phosphorus le sebabole empa litšila tse fokolang ho feta A36.
Lisebelisoa tse tloaelehileng tsa tšepe tsa 1018 li kenyelletsa:
Li-gears
Pinions
Li-ratchets
Lisebelisoa tsa oli
Lithako
Lithako tsa ketane
Liner
Li-studs
Lithako tsa ankora
1011 Leqephe la Tšepe le Chesang
1011 Letlapa le tšepe le kolobisitsoeng le chesang li fana ka bokaholimo bo thata ho feta tšepe le poleiti e batang. Ha e entsoe ka galvanized, e boetse e sebelisoa lits'ebetsong moo ho hanyetsanang le kutu ho hlokahalang. Matla a phahameng le letlapa la tšepe la HR le sebopeho se phahameng haholo li bonolo ho cheka, ho theha le ho cheselletsa. Letlapa le tšepe le kolobisitsoeng le chesang li fumaneha e le P&O ea maemo a holimo e chesang kapa e kolobisitsoeng.
Melemo e meng e amanang le 1011 hot rolled steel sheet le poleiti e kenyelletsa ho eketseha ha bonolo, sekhahla se phahameng sa tlhahiso, le ho theola ha ho bapisoa le ho thetheha ha serame. Likopo li kenyelletsa:
Kaho & kaho
Likoloi le lipalangoang
Lijana tse tsamaisang thepa
Ho rulela
Lisebelisoa
Lisebelisoa tse boima
Hot Rolled ASTM A513 Steel
Tlhaloso ea ASTM A513 ke ea li-tubes tse chesang tsa carbon steel. Li-tubes tsa tšepe tse chesang li etsoa ka ho fetisa tšepe e futhumetseng ka lirolara ho fihlela boholo bo itseng ba 'mele. Sehlahisoa se phethiloeng se na le sepakapaka se mahoashe se nang le likhutlo tse nang le radius le mohaho o nang le welded kapa o se nang seamless. Ka lebaka la lintlha tsena, li-tube tsa tšepe tse chesang li loketse ka ho fetisisa bakeng sa lisebelisoa tse sa hlokeng libopeho tse nepahetseng kapa mamello e thata.
Chelete e chesang e kentsoeng ka tšepe e bonolo ho seha, ho cheselletsa, ho theha le mochini. E sebelisoa lits'ebetsong tse ngata tsa indasteri, ho kenyelletsa:
Lisebelisoa tsa enjine
Lihlahla
Kaho ea moaho/kaho
Likoloi le lisebelisoa tse amanang le tsona (li-trailer, joalo-joalo)
Lisebelisoa tsa indasteri
Liforeimi tsa matla a letsatsi
Lisebelisoa tsa lapeng
Sefofane/sefofane
Lisebelisoa tsa temo
Hot Rolled ASTM A786 Steel
Tšepe e chesang ea ASTM A786 e kentsoeng ka ho chesa ka matla a phahameng. Hangata e etsoa bakeng sa lipoleiti tsa tšepe tsa tšepe bakeng sa lisebelisoa tse latelang:
Bokaholimo
Tsela ea maoto
1020/1025 Tšepe e Tletseng e Chesang
E loketse lits'ebetso tsa kaho le tsa boenjiniere, tšepe ea 1020/1025 hangata e sebelisoa bakeng sa lits'ebetso tse latelang:
Lisebelisoa le ho shoa
Likarolo tsa mochini
Lisebelisoa tsa likoloi
Lisebelisoa tsa indasteri
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Nako ea poso: Mar-06-2023