Insimbi ye-4140 iyinsimbi ethandwayo eyaziwa ngamandla ayo, ukuqina, nokuguquguquka. Iyingxenye yomndeni wezinsimbi ze-chromium-molybdenum, enikeza inhlanganisela eyingqayizivele yezakhiwo zemishini ezenza kube ukukhetha okuthandwayo kwezicelo zezimboni. Onjiniyela, abakhi, nabakhiqizi basebenzisa kakhulu le nsimbi kuyo yonke into kusukela ezingxenyeni zezimoto kuya emishinini.
Kulesi sihloko se-SEO, i-sakysteel iveza ukubuka konke okuphelele kwe4140 insimbi, okuhlanganisa ukwakheka kwayo kwamakhemikhali, izakhiwo zemishini, izinqubo zokwelashwa kokushisa, kanye nokusetshenziswa okuvamile.
Izigaba 4140 Steel
I-4140 iyinsimbi ye-alloy ephansi ewela ngaphansi kohlelo lokuhlukaniswa kwe-SAE-AISI. Yaziwa nangokuthiI-AISI 4140, I-EN19 (eYurophu), futhiI-SCM440 (e-Japan). Igama elithi "4140" libhekisela kokuqukethwe kwe-alloy ethile:
-
"41" ikhombisa insimbi ye-chromium-molybdenum
-
I-“40” imelela isilinganiso sekhabhoni yokuqukethwe (0.40%)
Insimbi engu-4140 ayiyona insimbi engagqwali, njengoba ingaqukethe i-chromium eyanele ukunikeza ukumelana nokugqwala. Esikhundleni salokho, yaziswa ngamandla ayo okusebenza kanye nobulukhuni ngemva kokwelashwa kokushisa.
Ukwakhiwa Kwekhemikhali kwe-4140 Steel
Ukwakheka kwamakhemikhali kwe-4140 yikho okuwunikeza izakhiwo zayo zemishini ezithuthukisiwe. Ububanzi obujwayelekile buhlanganisa:
-
Ikhabhoni (C):0.38% - 0.43%
-
I-Chromium (Cr):0.80% - 1.10%
-
I-Manganese (Mn):0.75% - 1.00%
-
I-Molybdenum (Mo):0.15% - 0.25%
-
I-silicon (Si):0.15% - 0.35%
-
I-Phosphorus (P):≤ 0.035%
-
Isibabule (S):≤ 0.040%
Lezi zinto zisebenza ndawonye ukuze kuthuthukiswe ukuqina, ukumelana nokugqokwa, kanye nokuqina kukonke, okwenza i-4140 ibe into yokuya kuyo yezingxenye eziwumshini ezifunayo.
Izakhiwo zikaMechanical ze-4140 Steel
I-4140 inikeza uhla oluhlaba umxhwele lwezakhiwo zemishini, ikakhulukazi ngemuva kokwelashwa okufanele kokushisa. Lokhu kubandakanya:
-
Amandla Okuqina:Kufika ku-1100 MPa (160 ksi)
-
Amandla Okukhiqiza:Cishe ku-850 MPa (123 ksi)
-
I-Elongation at Break:Cishe u-20%
-
Ukuqina:Ivamise ukuba ngu-197 kuya ku-235 HB esimweni sokuthungathwa, kufika ku-50 HRC ngemva kokucisha nokubandisa
Lawa manani angahluka kuye ngohlobo lwensimbi (ibha, ipuleti, ifojiwe) kanye nesimo sokwelashwa kokushisa.
Ukwelashwa Kokushisa kwe-4140 Steel
Ukwelashwa kokushisa kuyinqubo eyinhloko ethuthukisa ukusebenza kwe4140 insimbi. Insimbi ingabhekana nezinqubo ezilandelayo:
-
Anealing
Kupholiswe kancane kusukela ku-850°C ukuze kuthuthukiswe ukusebenza kahle nokunciphisa ingcindezi yangaphakathi. Lokhu kubangela isakhiwo esithambile esine-ductility ethuthukisiwe. -
Ukujwayela
Kushisisa cishe ku-870°C ukuze kucwengisiswe ukwakheka kokusanhlamvu. Inikeza ibhalansi yamandla nokuqina. -
Ukushisa nokushisa
Kwenziwa lukhuni ngokushisisa kufika ku-845°C futhi kuphole ngokushesha kuwoyela noma emanzini, kulandelwe ukushisisa kumazinga obulukhuni obufunekayo. Lokhu kwandisa kakhulu amandla nokumelana nokugqoka. -
Ukunciphisa Ingcindezi
Kwenziwe cishe ku-650°C ukuze kuncishiswe izingcindezi eziyinsalela ezivela kumishini noma ekushiseleni.
Kwa-sakysteel, sinikeza4140 insimbiezimeni ezihlukahlukene ezilashwe ngokushisa okusekelwe ezidingweni zekhasimende, ukuqinisekisa ukusebenza okuphezulu kuhlelo lwakho lokusebenza.
Izinzuzo ze-4140 Steel
-
Isilinganiso esiphezulu samandla nesisindo:Ilungele izinhlelo zokusebenza ezizwela isisindo.
-
Ukumelana Nokukhathala Okuhle:Imelana nokulayishwa kwama-cyclic, ilungele amagiya namashafti.
-
Ukuqina Okuhle Kakhulu:Ifinyelela ubulukhuni obuphezulu ngemuva kokucisha.
-
Ukusebenziseka:Isebenziseka kalula ezimeni ezishubile noma ezijwayelekile.
-
Ukushisela:Kungenziwa ashiselwe nge preheating efanele kanye post-weld ukwelashwa.
Lezi zinzuzo zenza insimbi engu-4140 ibe ukukhetha ukonga kwezicelo eziningi zobunjiniyela ezinokucindezeleka okuphezulu.
Izicelo ze-4140 Steel
Ngenxa yamandla ayo emishini kanye nokuguquguquka, insimbi engu-4140 isetshenziswa ezinhlobonhlobo zezimboni:
Imboni Yezimoto
-
Ama-ekseli
-
Ama-Crankshafts
-
Amagiya
-
Amaqupha okuqondisa
Amafutha Negesi
-
Dweba amakholomu
-
Amalunga ethuluzi
-
Izinduku zokuxhuma
I-Aerospace
-
Izingxenye zegiya lokuhlala
-
Imigodi
-
Izingxenye zesakhiwo ezinokucindezeleka okuphezulu
Imishini Yezimboni
-
Ukuhlangana
-
Izingxenye ezakhiwe
-
Bafa abanikazi
-
Ama-spindle
At sakysteel, sinikile4140 insimbiimikhiqizo yamakhasimende kuyo yonke le mikhakha, ehlinzeka ngekhwalithi ethembekile nokwenza ngokwezifiso okunembayo.
I-4140 iqhathaniswa kanjani nezinye izinsimbi
4140 vs. 1045 Carbon Steel:
I-4140 inikezela ukumelana nokugqokwa okungcono namandla aqinile ngenxa yezakhi ze-alloying. 1045 ishibhile kodwa ayihlali isikhathi eside.
4140 vs. 4340 Insimbi:
I-4340 inokuqukethwe kwe-nickel ephakeme, enikeza ukuqina okungcono nokumelana nokukhathala. I-4140 ibiza kakhulu ekusebenziseni inhloso evamile.
4140 vs. Stainless Steel (isb, 304 noma 316):
Izinsimbi ezingenasici zinikeza ukumelana nokugqwala kodwa amandla aphansi. I-4140 ikhethwa ezinhlelweni ezilayisha kakhulu ngaphandle kokuchayeka endaweni ezonakalisayo.
Amafomu Atholakala kwa-sakysteel
I-sakysteel inikeza insimbi engu-4140 kumafomu omkhiqizo alandelayo:
-
Amabha Ayisiyingi (Ashisiwe, Akhandwe, Ahlutshiwe)
-
Amabha Ayisicaba namaPlate
-
Amabhulokhi Afojiwe kanye Nezindandatho
-
Amabha angenalutho namashubhu (ngesicelo)
-
Izikhala zokunemba ezisikwa ngosayizi
Yonke imikhiqizo iyatholakala ngeIzitifiketi ze-EN10204 3.1, futhi sinikeza nezinsizakalo ze-CNC zomshini kanye nokwelashwa kokushisa.
Isiphetho
I-4140 iyinsimbi ye-alloy ehlukahlukene, esebenza kahle ehlangabezana nezidingo zezicelo ezahlukahlukene ezidingayo. Inhlanganisela yayo yamandla, ukuqina, kanye nokusebenza kahle kwezindleko kuyenza ibe into ekhethwayo konjiniyela bemishini nabakhiqizi emhlabeni jikelele.
Noma ngabe udinga ukunikezwa kwezinto ezingavuthiwe noma izingxenye eziqediwe,sakysteelunguzakwethu omethembayo wensimbi engu-4140 alloy. Xhumana nethimba lethu lezobuchwepheshe namuhla ukuze uxoxe ngezimfuneko zakho futhi uthole isilinganiso esivumelana nawe.
Isikhathi sokuthumela: Jul-29-2025