AISI 4340 Alloy Steel Flat Bar | Matla a Phahameng Mofani oa Tšepe ea Alloy e tlase
Tlhaloso e Khutšoanyane:
AISI 4340 Alloy Steel Flat Bar ke tšepe ea boleng bo holimo, e nang le alloy e tlase e tsebahalang ka ho thatafala ha eona, matla a eona a holimo, le khanyetso e ntle ea ho apara. E na le nickel, chromium, le molybdenum, boemo bona ba tšepe bo loketse lits'ebetso tse hlokang matla a phahameng a mokhathala le ho hanyetsa tšusumetso.
4340 Alloy Steel Flat Bar:
AISI 4340 Alloy Steel Flat Barke sehlahisoa se bataletseng sa tšepe e matla, se nang le alloy e tlase se tummeng ka ho thatafala ha sona, ho thatafala ho tebileng, le ho hana ho khathala le ho khathala. Ka tloaelo e tsejoa e le 34CrNiMo6, 1.6582, kapa 817M40 ka litekanyetso tsa machaba, motsoako ona o na le nickel, chromium, le molybdenum, e leng se etsang hore e be se loketseng bakeng sa lisebelisoa tse boima. E sebelisoa haholo indastering ea lifofane, tsa likoloi le tsa sesole bakeng sa ho etsa li-crankshaft, li-axle, likarolo tsa lisebelisoa le likarolo tsa meralo tse hlokang khanyetso e matla le bophelo bo bolelele ba ts'ebeletso.
Litlhaloso tsa 4340 Flat Bar:
| Litlhaloso | ASTM A29 |
| Kereiti | 4340,G43400 |
| Bolelele | Joalokaha ho Hlokahala |
| Botenya | 2mm-100mm |
| Boemo | E chesehile, e boreleli e boreleli, e ebollotsoe, e Cold Drawn, Central Ground, e bentšitsoeng |
| Surface Finish | E ntšo, e bentšitsoeng |
Alloy Steel 4340 Bar Kereiti e lekanang:
| TS'ELISO | WERKSTOFF NR. | UNS |
| 4340 | 1.6565 | G43400 |
Sebopeho sa 4340 Steel Flat Rod Chemical:
| Kereiti | C | Mn | Si | Cr | Ni | Mo |
| 4340 | 0.38-0.43 | 0.60-0,80 | 0.15-0.30 | 0.70-0,90 | 1.65-2.0 | 0.20-0.30 |
Thepa ea mochini :
| Matla a tšepe | Matla a Hlahisa (0.2%Offset) | Elongation | Ho thatafala |
| 850-1000MPa | 680-860MPa | 14% | 24-28HRC |
Teko ea 4340 Steel Bar UT :
Mehala ea rona ea tšepe ea 4340 alloy alloy e etsa liteko tse matla tsa ultrasonic (UT) ho netefatsa molumo oa kahare le sebopeho se se nang sekoli. Mokhoa ona oa ho hlahloba o sa senyeheng o lemoha li-discontinuities tse ka hare tse kang mapetsong, li-voids, le li-inclusions tse sa bonahaleng ka mahlo. Tlhahlobo ea UT e etsoa ho latela maemo a indasteri, ho netefatsa hore bar e 'ngoe le e' ngoe e fihlela litlhoko tse phahameng tsa ts'ebetso bakeng sa likopo tsa boenjineri ba sefofane, likoloi le mesebetsi e boima. Taolo ea boleng e tšepahalang e tiisa khanyetso e matlafalitsoeng ea mokhathala, bots'epehi ba sebopeho, le ts'epo ea bareki.
Teko ea PMI ea 4340 Alloy Bar :
Ho etsa bonnete ba ho lateloa ha thepa le ho latela litlhaloso tsa bareki, tlhahlobo ea PMI (Positive Material Identification) e etsoa ho AISI 4340 Alloy Steel Flat Bars ho sebelisoa li-spectrometer tse tsoetseng pele kapa X-ray fluorescence (XRF) analyzers. Mokhoa ona oa tlhahlobo o sa senyeheng o netefatsa sebopeho sa lik'hemik'hale tsa nomoro e 'ngoe le e 'ngoe ea mocheso, ho netefatsa hore e kopana le likarolo tse hlokahalang tsa alloying joalo ka Ni, Cr le Mo.
4340 Bar Hardness Test :
Ho netefatsa boemo ba kalafo ea mocheso le ho netefatsa ts'ebetso ea mochini, tlhahlobo ea boima e etsoa ho AISI 4340 Alloy Steel Flat Bars ho sebelisa mekhoa ea Rockwell kapa Brinell. Bakeng sa mekoallo e tingoeng le e halefileng, mofuta oa boima bo tloaelehileng ke 24 ho isa ho 38 HRC. Litekanyetso tsa boima li ngotsoe libakeng tse ngata ho pholletsa le bokaholimo le karohano ho netefatsa ho ts'oana. Liphetho li thusa ho netefatsa hore tšepe e loketse lits'ebetso tse hlokang ho kenyelletsa khatello e phahameng ea maikutlo le tšusumetso.
Tlaleho ea Teko ea 4340 Steel Flat Bar :
Ho ea ka: Standard ASTM A370-24a.
Lisebelisoa tsa AISI 4340 Alloy Bar
1.Likopano tsa Lisebelisuoa tse Lulisang Lifofane:
E sebelisoa haholo ho etsa lisebelisoa tsa lisebelisoa tsa ho lulisa tse kang li-struts le likhokahano, moo matla a eona a phahameng a matla le botsitso li netefatsang ts'ebetso e tšepahalang tlas'a khatello e matla.
2.Litsamaiso tsa ho khanna likoloi:
E sebelisoa ha ho etsoa likarolo tsa bohlokoa tsa phetisetso joalo ka likere le li-shafts, AISI 4340 e fana ka ts'ebetso e ts'oarellang le ts'ebetso e sebetsang hantle libakeng tsa makoloi a mangata.
Likarolo tsa 3.Forged Hydraulic System:
E khethiloe bakeng sa lits'ebetso tsa sisteme ea hydraulic, alloy ena e ipabola ho mamella khatello le ts'isinyeho ea mochini, e e etsa hore e be e loketseng bakeng sa lipiston tsa hydraulic tse entsoeng, li-cylinders le lisebelisoa.
4. Li-crankshafts tsa Enjene ea Ts'ebetso e Phahameng:
E ratoa bakeng sa tlhahiso ea crankshaft ka lienjineng tse sebetsang hantle haholo, matla a eona a ikhethang a mokhathala le ho tiea ho netefatsa bophelo bo bolelele ba ts'ebeletso tlasa phallo ea cyclic.
5.Likarolo tsa Phetiso ea Matla a Indasteri:
E sebelisoa ha ho etsoa li-gear tse boima le li-shafts bakeng sa lisebelisoa tsa phetisetso ea matla, moo e hananang le ho senyeha le ho senyeha ha litsamaiso tse hlokang mochini.
Ke Hobane'ng ha U re Khetha?
•U ka fumana thepa e phethahetseng ho latela tlhoko ea hau bonyane theko e ka khonehang.
•Re boetse re fana ka Reworks, FOB, CFR, CIF, le litheko tsa ho fana ka ntlo le ntlo. Re fana ka tlhahiso ea hore u etse tumellano ea ho tsamaisa thepa e tla u baballa haholo.
•Thepa eo re fanang ka eona e ka netefatsoa ka botlalo, ho tloha ho setifikeiti sa tlhahlobo ea thepa e tala ho isa polelong ea ho qetela. (Litlaleho li tla hlaha ho latela tlhoko)
•Re netefatsa ho fana ka karabo nakong ea lihora tse 24 (hangata ka hora e tšoanang)
•Fana ka tlaleho ea SGS TUV.
•Re inehetse ka ho feletseng ho bareki ba rona. Haeba ho ke ke ha khoneha ho finyella litlhoko tsa hau ka mor'a ho hlahloba likhetho tsohle, re ke ke ra u khelosa ka ho etsa litšepiso tsa bohata tse tla theha likamano tse ntle tsa bareki.
•Fana ka tšebeletso ea sebaka se le seng.
Ho paka ka tšepe e phahameng ea tšepe ea 4340:
1. Ho paka ke habohlokoa haholo-holo tabeng ea thepa ea machaba eo thepa e fetang ka litsela tse fapa-fapaneng ho fihla moo e eang teng, kahoo re amehile haholo ka ho paka.
2. Saky Steel e paka thepa ea rona ka mekhoa e mengata ho latela lihlahisoa. Re paka lihlahisoa tsa rona ka mekhoa e mengata, joalo ka,
