China Quality Hot Rolled Flat Bar Steel
| Mephato | Kereiti | Sebopeho sa lik'hemik'hale % | ||||
| C | Mn | Si | S | P | ||
| Q235 | A/B | 0.12~0.22 | 0.30~0,65 | ≤0.35 | ≤0.045 | ≤0.045 |
| Mephato | C% (t≤16mm) | Mn% | P% | S% | N | Cu | CEV② (t≤40mm) |
| S235JR | ≤0.17 | ≤1.40 | ≤0.035 | ≤0.035 | ≤0.012 | ≤0.55 | ≤0.35 |
| S275JR | ≤0.21 | ≤1.50 | ≤0.035 | ≤0.035 | ≤0.012 | ≤0.55 | ≤0.40 |
| Mephato | C | Mn | P | S |
| SS400 | --- | ---- | ≤0.050 | ≤0.050 |
Litlhaloso tse khethehileng tsa lihlahisoa.Botenya ke 8-50mm, bophara 150-625mm, bolelele ba 5-15m, 'me litlhaloso tsa sehlahisoa li haufi-ufi ho finyella litlhoko tsa basebelisi,' me li ka sebelisoa ho e-na le poleiti e bohareng, ntle le ho itšeha, 'me e ka kenngoa ka ho toba.
Bokaholimo ba sehlahisoa bo khanya ebile bo hloekile.Mokhoa oa ho theola metsi ka khatello e phahameng o sebelisoa lekhetlo la bobeli.
Mahlakore a mabeli a tsepame 'me likhutlo li hlakile.Phase ea bobeli ea ho thetheha ka mokhoa o otlolohileng ho tiisa hore mahlakore ka bobeli a otlolohile, likhutlo tse hlakileng le boleng bo botle ba mahlakoreng.
Sekala sa sehlahisoa se nepahetse, phapang ea lintlha tse tharo le phapang ea boemo bo tšoanang e molemo ho feta tekanyo ea tšepe ea tšepe;sehlahisoa se bataletse ebile se otlolohile, 'me sebopeho sa poleiti se setle.Precision rolling e amohela ts'ebetso e tsoelang pele ea ho roala, taolo ea othomathike ea othomathike ho etsa bonnete ba hore ha ho na tšepe ea tšepe ebile ha ho na tšepe e hulang, ho nepahala ho phahameng ha sehlahisoa, boemo ba mamello, phapang ea lintlha tse tharo, phapang e le 'ngoe ea sehlopha, koba ea sekele le likarolo tse ling li molemo ho feta tse bohareng. poleiti, 'me poleiti e otlolohile e ntle.Cold ho kuta, ho nepahala ho phahameng ha boholo ba boholo.
Lisebelisoa tsa lihlahisoa li amohela maemo a naha, a tšoanang le a tšepe ea tšepe.Maemo a boleng le botekgeniki a hlophisitsoe mme a hlahisoa ho latela maemo a YB/T4212-2010 (Q345B/Q235B e bua ka GB/T1591-94, ka ho latellana.
1. Ts'epe e bataletseng e kentsoeng ka ho chesa ke tšepe e telele, e ka 'nang ea phuthoa e nang le sefapano se nang le mahlakore a mabeli bakeng sa tšebeliso e tloaelehileng.Litlhaloso tsa eona li hlahisoa ka limilimithara tsa botenya * bophara.Tšepe e bataletseng e ka etsoa tšepe e phethiloeng, e sebelisetsoang likarolo, litepisi, marokho le terata, joalo-joalo tšepe e bataletseng e ka boela ea sebelisoa e le li-billet le li-slabs bakeng sa tšepe e entsoeng ka tšepe le lakane ea laminated.(Material: Q215, Q235), tekanyetso ea ts'ebetsong: GB704-1988 sebakeng sa GB704-83, tekanyetso ena e sebetsa ho botenya ba 3 ~ 60mm, bophara ba 10 ~ 200mm, karolo e ka holimo ea khutlonnetse ea tšepe e bataletseng ea sepheo se akaretsang. .Boemo ba ho fana: tšepe e bataletseng e fanoa ka mekoallo e otlolohileng.Tekanyo: Tšepe e bataletseng ea bolelele bo tsitsitseng le bolelele ba banna bo fanoa ka boima ba mohopolo.
2. tšepe e entsoeng ka tšepe e entsoeng ka tšepe e entsoe ka poleiti e telele ea tšepe e nang le sefapano se nang le mahlakore a mabeli.Forging e ke ke ea fumana sebopeho se itseng feela le boholo ba forgings, empa hape e ka ntlafatsa haholo mokhatlo o hlophisitsoeng oa tšepe, oa ntlafatsa sets'oants'o sa tšepe;e ka fetola kabo ea mokhatlo oa fiber, ho tlosa anisotropy, ho ntlafatsa thepa ea mochine oa tšepe, e le hore matla le ho tiea ha tšepe li ntlafatsoe;'me e ka sebetsoa polasetiki e tlase ka tšepe e phahameng le tšepe e phahameng ea alloy.Tšepe ea forged flat ke haholo-holo tšepe ea boleng bo holimo ea alloy, e sebelisetsoang liliba, lisebelisoa le likarolo tsa bohlokoa tsa mochini.Litlhaloso tsa tšepe e sephara e hahelletsoeng li hlahisoa ka limilimithara tsa botenya * bophara, 'me litlhaloso ke 20mm * 40mm ~ 160mm * 300mm.tekanyetso ea ts'ebetso: GB/T16761-1
Karolo ea tšepe ke e 'ngoe ea mefuta e mene e meholo ea tšepe (plate, tube, mofuta, terata).Ho ea ka sebōpeho sa karolo, tšepe ea karolo e arotsoe ka tšepe ea karolo e bonolo le tšepe ea karolo e rarahaneng (tšepe ea karolo).Ea pele e bua ka tšepe ea lisekoere, tšepe e chitja, tšepe e sephara, tšepe ea angle, tšepe ea hexagonal, joalo-joalo;ea ho qetela e bua ka I-beam, tšepe ea mocha, seporo sa tšepe, tšepe ea foreimi ea fensetere, tšepe e kobehang, joalo-joalo.
Tšepe ea lisekoere - tšepe ea karolo ea lisekoere, e chesang e chesang le e batang;hot-rolled lisekoere tšepe lehlakoreng bolelele 5-250mm;Bolelele ba lisekoere tsa lisekoere tse batang tse 3-100mm.
tšepe e pota-potileng - karolo e chitja ea tšepe, e arotsoe ka tse tharo tse chesang, tse ferekaneng le tse batang, tse chesang tse pota-potileng bophara ba 5-250mm, tseo 5-9mm e sebelisoang hangata e le lisebelisoa tse tala bakeng sa ho hula terata ea tšepe, e bitsoang terata molamu. ;joalo ka phepelong ea poleiti e boetse e bitsoa coil e kentsoeng ka hot.Litšepe tse pota-potiloeng tse pota-potileng li tenya, li sebelisoa e le shaft billet.Bophara ba tšepe e chitja e batang ke 3-100mm, ho nepahala ha maemo a holimo.
Angle steel - e arotsoe ka mefuta e 'meli ea tšepe e lekanang le e sa lekanang.Tlhaloso ea tšepe ea angle e hlalosoa ka boholo ba bolelele ba mahlakoreng le botenya ba mahlakoreng.Hangata litlhaloso tsa tšepe ea angle e hlahisoang ke No. 2-20, ke hore palo ea lisenthimithara tsa bolelele ba lehlakoreng.Tse kang No. 5 equilateral angle tšepe e buang ka lehlakoreng bolelele ba 5cm (50mm) angle tšepe.Palo e tšoanang ea li-angles hangata e na le botenya ba mahlakore a 2-7 a fapaneng.
Mokhoa oa ho bala boima ba tšepe e sephara
Tšepe e bataletseng: boima ba mithara = 0.00785 * botenya * bophara ba lehlakore
