4140 Alloy Steel Tensile: E Matla Hakae?

Boenjiniere le tlhahiso, matla ke ntlha ea bohlokoa. Ebang ke crankshaft enjeneng ea likoloi kapa phini e nang le meroalo e mengata ea thepa ea kaho, matla a ho tiea a lekanya hore na thepa e ka jara boima bo bokae pele e robeha. Har'a litšepe tse ngata tsa alloy tse fumanehang,4140 tšepe ea motsoakoe tumme ka ho leka-lekana ha eona ka mokhoa o tsotehang oa matla a ho tsitsa, ho ba thata le ho sebetsa ka thata.

Empa tšepe ea alloy ea 4140 e matla hakae-ruri? Sehloohong sena,sakysteele ikakhela ka setotsoana mefuteng e tsitsitseng ea 4140, e hlahloba hore na ke eng e etsang hore e be thepa e ka tšeptjoang mabapi le lits'ebetso tsa meralo le tsa mochini.


4140 Alloy Steel ke eng?

4140 ke atšepe e tlaase ea chromium-molybdenume tsebahalang ka matla a eona a phahameng a ho tsikitlanya le ho hanyetsa mokhathala o motle. E sebelisoa haholo ho etsa thepa, ho etsa machining, ho etsa lisebelisoa le likarolo tse boima.

Motsoako oa bohlokoa oa lik'hemik'hale oa 4140 o kenyelletsa:

  • Khabone:0.38% - 0.43%

  • Chromium:0.80% - 1.10%

  • Molybdenum:0.15% - 0.25%

  • Manganese:0.75% - 1.00%

  • Silikone:0.15% - 0.35%

Lintho tsena tse kopantsoeng li matlafatsa ho thatafala le matla, li etsa hore 4140 e be e 'ngoe ea litšepe tse ka tšeptjoang ka ho fetisisa bakeng sa tšebeliso ea meralo.


Ho utloisisa Matla a Tensile

Matla a tšepee bua ka boholo ba khatello ea kelello (ho hula kapa ho otlolla) ntho e ka mamellang pele e hlōleha. Hangata e lekantsoe kamegapascals (MPa) or liponto ka inch square (psi). Matla a phahameng a matla a bolela hore thepa e ka mamella matla a maholo pele a holofala kapa a robeha.


Matla a Tensile a 4140 Alloy Steel

Matla a matla a tšepe ea 4140 a itšetlehile haholo ka boemo ba eona ba phekolo ea mocheso:

1. Annealed Condition

Boemong ba eona bo bonolo ka ho fetesisa (ho kenyelelitsoe), tšepe ea 4140 hangata e fana ka:

  • Matla a tšepe:655 - 850 MPa

  • Kotulo e Matla:415 - 620 MPa

  • Ho thatafala:~ 197 HB

2. Boemo bo tloaelehileng

Kamora ho tloaeleha, sebopeho sa tšepe se fetoha se ts'oanang, se ntlafatsa thepa ea mochini:

  • Matla a tšepe:850 - 1000 MPa

  • Kotulo e Matla:650 - 800 MPa

  • Ho thatafala:~ 220 HB

3. Quenched and Tempered (Q&T)

Ena ke boemo bo atileng haholo bakeng sa lits'ebetso tse sebetsang hantle haholo:

  • Matla a tšepe:1050 - 1250 MPa

  • Kotulo e Matla:850 - 1100 MPa

  • Ho thatafala:28 - 36 HRC

At sakysteel, rea fana4140 tšepe ea motsoakomaemong a fapaneng a phekotsoeng mocheso, e ntlafalitsoeng ho tsamaisana le litlhoko tse ikhethang tsa matla bakeng sa liindasteri tse fapaneng.


Hobaneng ha Matla a Tensile a 4140 a le Hakaale?

Lintlha tsa bohlokoa tse entseng hore ho be le matla a phahameng a 4140 a kenyelletsa:

  • Litaba tsa Chromium:E eketsa boima le ho hanyetsa ho apara

  • Molybdenum:E ntlafatsa matla ka mocheso o phahameng le ho matlafatsa boima ba 'mele

  • Ho Fetola Phekolo ea Mocheso:Tailor microstructure ho tsamaisana le matla le boima bo lakatsehang

  • Boemo ba Carbon bo leka-lekaneng:E fana ka motsoako o motle oa matla le ductility

Litšobotsi tsena li lumella 4140 ho feta litšepe tse ngata tsa carbon esita le lisebelisoa tse ling ha ho tluoa tabeng ea matla a thata tlas'a mojaro.


4140 e Bapisa Joang le Litšepe Tse Ling?

4140 vs 1045 Carbon Steel

  • 1045 ke tšepe ea khabone e mahareng e nang le matla a tsitsitseng ho pota 570 - 800 MPa.

  • 4140 e fana ka 30% ho 50% matla a eketsehileng, haholo ha e phekoloa mocheso.

4140 vs 4340 Tšepe

  • 4340 e kenyelletsa nickel, e matlafatsang ho tiea le ho hanyetsa mokhathala.

  • Le ha 4340 e ka fana ka boima bo phahameng hanyane, 4140 e na le chelete e ngata ka ts'ebetso e ts'oanang ea tsitsipano.

4140 vs Stainless Steel (mohlala, 304, 316)

  • Litšepe tse sa hloekang tsa Austenitic li fana ka khanyetso ea kutu empa matla a tlase a tlase (hangata ~ 500 - 750 MPa).

  • 4140 e batla e le matla habeli empa e tlameha ho sireletsoa khahlano le kutu maemong a mabifi.


Lisebelisoa tse itšetlehileng ka 4140's Tensile Strength

Ka lebaka la matla a eona a holimo, 4140 e sebelisoa haholo likarolong tse mamellang meroalo e boima kapa matla a matla. Lisebelisoa tse tloaelehileng li kenyelletsa:

Tsa makoloi

  • Khanna li-shafts

  • Li-crankshafts

  • Likarolo tsa ho emisa

  • Likheo tsa li-gear

Oli le Khase

  • Kola melala

  • Lisebelisoa tsa lisebelisoa

  • Mele ea li-valve

  • Lisebelisoa tsa Hydraulic

Sepakapaka

  • Likarolo tsa lisebelisoa tsa ho lulisa

  • Li-brackets tsa tšehetso ea enjene

  • Likamano tse nepahetseng

Tool & Shoa

  • Litebele le ho shoa

  • Lisebelisoa tsa lisebelisoa

  • Lisebelisoa tsa ho etsa

Bokhoni ba ho mamella meroalo e tsitsitseng le ea cyclic e etsa4140motheo oa likarolo tse ngata tsa bohlokoa indastering ea lefats'e.


Lintlha tse Susumetsang Matla a Tensile Boitloaetsong

Matla a theoretical tensile ea 4140 a ka fapana lits'ebetsong tsa 'nete tsa lefats'e ho ipapisitse le:

  • Boholo ba karolo:Likarolo tse kholo li ka pholile butle nakong ea kalafo ea mocheso, tsa fokotsa boima.

  • Qetello ea bokaholimo:Lithako tse thata li ka sebetsa joalo ka liphahamiso tsa khatello ea maikutlo.

  • Ts'ebetso ea mochini:Ho sebetsa ka mokhoa o sa nepahalang ho ka baka khatello ea maikutlo.

  • Taolo ea kalafo ea mocheso:Mocheso o nepahetseng oa ho tima le ho futhumatsa o ama matla a ho qetela.

At sakysteel, re sebelisa taolo e thata ea boleng nakong ea phekolo ea mocheso le mechine ho etsa bonnete ba hore thepa e nepahetseng le e tsitsitseng ea ho tsitsisa lihlahisoa tsohle tsa rona tsa 4140 alloy steel.


Teko le Setifikeiti

Matla a thata a atisa ho lekanyetsoa ka ho sebelisa amochini oa tlhahlobo oa bokahohle (UTM)ho latela litekanyetso tsa ASTM kapa ISO. Mohlala oa tšepe o otlolohile ho fihlela o robeha, 'me liphello li ngotsoe.

TsohlesakysteelLisebelisoa tsa tšepe tsa 4140 li ka fanoa ka:

  • Setifikeiti sa EN 10204 3.1

  • Litlaleho tsa liteko tsa mochini

  • Lintlha tsa sebopeho sa lik'hemik'hale

Sena se netefatsa ponaletso e felletseng le ho tsamaellana le litloaelo tsa indasteri.


Mehopolo ea ho Qetela

4140 tšepe ea motsoakoke e 'ngoe ea litšepe tse feto-fetohang le tse matla tse fumanehang' marakeng oa lefatše. Ka matla a matla a fetang 1000 MPa maemong a phekoloang, e kopana le litlhoko tse hlokahalang tsa mekhoa ea meralo, ea mechine le ea lisebelisoa.

Ha matla, ho tšoarella, le ts'ebetso li bohlokoa haholo,4140 e fana- lesakysteele netefatsa hore o fumana feela thepa ea boleng bo holimo, e lekiloeng le e netefalitsoeng bakeng sa khotso ea kelello ea hau.


Nako ea poso: Jul-29-2025