Tšepe ea 4130, e tsejoang hape e leTšepe ea Chromoly(tšepe ea chromium-molybdenum), ke tšepe e nang le motsoako o tlase e fetohileng thepa e tsebahalang liindastering tsa lifofane, likoloi, lipapali tsa makoloi, oli le khase le tlhahiso. E tsebahala ka motsoako oa eona oa matla, ho tiea, ho tjheseletsa le ho sebetsa ha mechini, tšepe ea 4130 e fana ka tekano e ntle lipakeng tsa ts'ebetso le litšenyehelo.
Sehloohong sena, re tla shebisisa haholoanyane hore na tšepe ea 4130 ke eng, sebopeho sa eona sa lik'hemik'hale, thepa ea mechini, matla le lits'ebetso tse tloaelehileng.
Tšepe ea 4130 ke eng?
Tšepe ea 4130ke tšepe e nang le motsoako o tlase e nang le chromium le molybdenum e le metsoako e matlafatsang. “41” e bontša hore ke tšepe ea chromium-molybdenum, 'me “30” e bontša tekanyo e tloaelehileng ea khabone ea 0.30%. Motsoako ona o fana ka karolelano e phahameng ea matla-ho-boima, ho hanyetsa mokhathala ho babatsehang, le ho tiea ho hoholo.
Hangata e fanoa maemong a fapaneng a kang ho annealed, normalized, kapa ho tima le ho hatsetsoa, ho latela litlhoko tsa ts'ebeliso.
Sebopeho sa Lik'hemik'hale sa Tšepe ea 4130
Sebopeho se tloaelehileng sa lik'hemik'hale sa tšepe ea 4130 ke se latelang:
| Karolo | Peresente (%) |
|---|---|
| Khabone (C) | 0.28 – 0.33 |
| Chromium (Cr) | 0.80 – 1.10 |
| Molybdenum (Mo) | 0.15 – 0.25 |
| Manganese (Mn) | 0.40 – 0.60 |
| Silicone (Si) | 0.15 – 0.35 |
| Sebabole (S) | ≤ 0.040 |
| Fosforase (P) | ≤ 0.035 |
Chromium e eketsa ho thatafala, matla a ho thapolla le ho hanyetsa ho bola, ha molybdenum e ntlafatsa ho tiea, ho hanyetsa ho thekesela le ho thatafala.
Matlotlo a Mekaniki a Tšepe ea 4130
Litšobotsi tsa mechini tsa tšepe ea 4130 lia fapana ho latela boemo ba eona ba kalafo ea mocheso. Litekanyetso tse tloaelehileng bakeng sa maemo a tloaelehileng kapa a timmeng le a halefisitsoeng ke:
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Matla a tšepe: 560 – 1080 MPa
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Matla a Tekanyo: 460 – 930 MPa
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Ho Lelefatsa Nako ea Phomolo: 18 – 25%
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Bothata: 149 – 217 HB (Brinell), ho latela boemo
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Botenya: 7.85 g/cm³
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Modulus ea Elasticity: ~205 GPa
Litekanyetso tsena li etsa hore tšepe ea 4130 e lokele lits'ebetso tse nang le khatello e phahameng moo ho hlokahalang tekano ea matla le ho se sebetse hantle.
Phekolo ea Mocheso ea Tšepe ea 4130
Tšepe ea 4130 e arabela hantle lits'ebetsong tse fapaneng tsa kalafo ea mocheso, e lumellang baenjiniere ho ntlafatsa thepa ea eona.
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Annealing– Ho futhumatsa ho fihlela ho 870°C (1600°F) le ho phodisa butle bakeng sa ho ntlafatsa bokgoni ba ho sebetsa.
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Ho etsa hore lintho li be maemong a tloaelehileng– Ho futhumatsa ho fihlela ho 900°C (1650°F) ho latelwa ke ho phodisa moya ho ntlafatsa sebopeho sa koro.
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Ho tima le ho nolofatsa– Ho futhumatsa ho fihlela ho ~870°C, ho tima oli kapa metsi, ebe ho futhumatsoa pakeng tsa 400°C–700°C ho fihlela ho ba thata le ho tiea ho lakatsehang.
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Ho thatafatsa Nyeoe– Ho kenya khabone kapa ho kenya nitriding bakeng sa ho thatafala ha bokaholimo ha ka nako e ts'oanang ho boloka bokahare bo tiile.
Matla a Tšepe ea 4130
Matla a tšepe ea 4130 a itšetlehile ka phekolo ea mocheso. Boemong bo annealed, e fana ka matla a itekanetseng empa e na le bokhoni bo phahameng ba ho sebetsa. Boemong bo timotsoeng le bo halefileng, e fihlela matla a ho thaepa le ho fana ka chai e phahameng haholo, e leng se etsang hore e lokele likarolo tsa sebopeho tlas'a mojaro o boima.
Ka mohlala:
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Boemo bo atolositsoengMatla a ho Tenyetseha ~560 MPa, Matla a ho Tena ~460 MPa
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Boemo bo Timotsoeng le bo BonoloMatla a ho Tenyetseha ~1080 MPa, Matla a ho Tena ~930 MPa
Mefuta ena ea ts'ebetso ea mechini e etsa hore tšepe ea 4130 e sebelisoe ka bongata liindastering tse ngata.
Khanyetso ea ts'enyeho
Leha tšepe ea 4130 e na le chromium, khanyetso ea eona ea ho bola e tlase ho feta litšepe tse sa hloekang. Bakeng sa libaka tse sekametseng ho bola, ho khothaletsoa ho roala ka tšireletso, ho poleiti, kapa ho penta. Litšebelisong tsa lifofane le tsa likoloi, hangata e pentiloe kapa e koahetsoe ka phofo ho thibela oxidation.
Ho Weldability le Machinability
E 'ngoe ea melemo ea bohlokoa ea tšepe ea 4130 ke ho tjheseletsa hantle ha eona. E ka tjheseletsa ho sebelisoa mekhoa ea TIG, MIG, kapa oxy-acetylene, ha feela ho futhumatsoa hantle pele ho nako (150°C–300°C) ho etsoa ho qoba ho petsoha. Hangata ho imolla khatello ea maikutlo ka mor'a ho tjheseletsa ho sebelisoa bakeng sa likarolo tsa bohlokoa.
Ho sebetsa hantle ha tšepe ho nkoa ho le molemo ha tšepe e le boemong ba ho koaheloa. 4130 e hloekisitsoeng ka mocheso e ka hloka lisebelisoa tsa khabide le lebelo le liehang.
Mefuta e Tloaelehileng ea Tšepe ea 4130
Tšepe ea 4130 e fumaneha ka mefuta e mengata ho latela lits'ebetso tse fapaneng tsa tlhahiso:
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Mekoallo e chitja
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Liphaephe le liphaephe
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Lipampiri le lipoleiti
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Liboloko tse entsoeng
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Terata
Bahlahisi ba kangsakysteelfana ka diforomo tsena diindastering lefatsheng ka bophara, ho netefatsa boleng bo tsitsitseng le ho latela maemo a ASTM.
Tšebeliso ea Tšepe ea 4130
Matla, ho tiea le ho tenyetseha ha tšepe ea 4130 li etsa hore e ratoe haholo lits'ebetsong tse thata:
1. Indasteri ea Lifofane
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Likarolo tsa sebopeho sa lifofane
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Lisebelisoa tsa ho lula
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Lithapo tsa enjene
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Likarolo tsa sistimi ea taolo
2. Likoloi le Lipapali tsa Maoto
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Lihoko tsa meqolo le liforeimi tsa chassis
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Likarolo tsa ho emisoa ha koloi ea mabelo
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Liforeimi tsa lithuthuthu
3. Indasteri ea Oli le Khase
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Likholara tsa ho phunya le li-shaft
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Likarolo tsa Wellhead
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Lisebelisoa tse nang le khatello e phahameng
4. Likopo tsa Sesole
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Likarolo tsa libetsa
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Likarolo tsa ho roala lihlomo
5. Boenjiniere ba Liindasteri le Kakaretso
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Methapo ea khatello
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Mechine ea haeteroliki
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Liforeimi tsa libaesekele
Melemo ea Tšepe ea 4130
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Karolelano e phahameng ea matla ho ea boima
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Ho ba thata haholo le ho hanyetsa mokhathala
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Ho tjheseletsa hantle ka ho futhumatsa pele ho nako hantle
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E ka phekoloa ka mocheso bakeng sa ts'ebetso e itseng
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E fumaneha ka mefuta e mengata ea lihlahisoa
Meeli ea Tšepe ea 4130
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E hloka sekoahelo se sireletsang bakeng sa libaka tse sekametseng ho bola
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E ka senyeha habonolo haeba e sa bebofatsoe ka mor'a ho tima
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Litšenyehelo tse phahameng ha li bapisoa le tšepe e tloaelehileng ea khabone
Papiso: 4130 Tšepe khahlanong le Litšepe tse ling
| Thepa | 4130 Tšepe | 4140 Tšepe | Tšepe e Bonolo |
|---|---|---|---|
| Dikahare tsa Khabone | 0.28–0.33% | 0.38–0.43% | ~0.20% |
| Matla a tšepe | Mahareng-Holimo | Holimo | Tlase |
| Ho tjheseletsa | Ho lokile | E itekanetseng | E babatsehang |
| Litšenyehelo | E itekanetseng | Bohareng-Holimo | Tlase |
Qetello
Tšepe ea 4130 e ntse e le e 'ngoe ea litšepe tsa alloy tse feto-fetohang ka ho fetisisa le tse tšepahalang tse fumanehang kajeno. Motsoako oa eona oa matla, ho se fetohe ha eona le ho tjheseletsa o etsa hore e be e ratoang indastering lefapheng la lifofane, likoloi, oli le khase le tlhahiso.
Bakeng sa lik'hamphani tse kangsakysteel, ho fana ka tšepe ea boleng bo holimo ea 4130 ho bolela ho fa bareki thepa e fihlelang maemo a thata a ts'ebetso ha ka nako e ts'oanang ho nolofalletsa tlhahiso e sebetsang hantle. Ebang e sebelisoa foreiming ea koloi ea mabelo, karolo ea sefofane, kapa lisebelisoa tsa oli, tšepe ea 4130 e fana ka ts'ebetso e tsitsitseng le e tšepahalang maemong a thata.
Nako ea poso: Phato-13-2025