4140 alloy steel yog ntau yam khoom siv feem ntau siv hauv ntau yam kev siv. Nws paub txog nws qhov sib npaug ntawm lub zog, tawv, thiab qaug zog, ua rau nws yog ib qho tseem ceeb hauv kev tsim cov cuab yeej, tshuab, thiab cov khoom siv tsheb. Nyob rau hauv phau ntawv qhia no, peb yuav dhia mus rau hauv cov yam ntxwv ntawm 4140 alloy steel, nws cov kev siv, nws ua li cas, thiab vim li cas nws thiaj li xaiv dua lwm cov ntaub ntawv. Txawm hais tias koj nyob hauv kev lag luam engineering, kev lag luam kev lag luam, lossis tsuas yog xav paub txog hlau, tsab xov xwm no yuav muab koj cov kev nkag siab tseem ceeb uas koj xav tau txog 4140 steel rods.
4140 Alloy Steel yog dab tsi?
4140 alloy steel yog nruab nrab-carbon, chromium-molybdenum steel uas muaj qib siab ntawm lub zog, toughness, thiab hnav tsis kam. Nws yog cov hlau alloyed, txhais tau hais tias nws muaj ntau yam ntxiv nrog rau hlau, uas txhim kho nws cov khoom siv rau kev siv tshwj xeeb.
Kev sib xyaw ntawm 4140 Alloy Steel
| Element | Qhov feem pua | Muaj nuj nqi |
|---|---|---|
| Cov pa roj carbon | 0.38% - 0.43% | Muab lub zog thiab hardness |
| Chromium | 0.80% - 1.10% | Nce toughness thiab hnav tsis kam |
| Molybdenum | 0.15% - 0.25% | Txhim kho hardenability thiab corrosion kuj |
| Manganese | Cov lej | Txhim kho toughness thiab machinability |
| Silicon | Cov lej | Txhim kho lub zog thiab oxidation tsis kam |
| Sulfur | Cov lej | Txhim kho machinability tab sis tuaj yeem txo qhov toughness |
| Phosphorus | Cov lej | Txhim kho lub zog tab sis tuaj yeem cuam tshuam tsis zoo rau lub zog |
Cov lus no muab cov ntsiab lus meej thiab meej ntawm cov ntsiab lus ntawm 4140 alloy steel, nrog rau lub luag haujlwm txhua lub ntsiab lus ua si hauv nws cov khoom siv kho tshuab.
Khoom ntawm 4140 Alloy Steel Qws
4140 steel rods paub txog lawv cov khoom zoo heev. Cov khoom no muaj xws li:
Lub zog thiab Hardness
4140 alloy steel boasts lub zog tensile siab, uas yog ib qho ntawm nws cov yam ntxwv tseem ceeb. Lub zog tensile tuaj yeem sib txawv nyob ntawm cov txheej txheem kho cua sov, tab sis feem ntau nws nyob ntawm 95,000 txog 125,000 psi. Nws cov hardness kuj tseem ceeb heev, tshwj xeeb tshaj yog tom qab kev kho cua sov, uas tuaj yeem ua rau nws tiv taus hnav thiab deformation.
Ductility thiab Toughness
Txawm tias nws hardness, 4140 steel tseem ductile, uas txhais tau tias nws muaj peev xwm undergo yas deformation yam tsis tau tawg. Qhov no ua rau nws yog ib qho khoom siv zoo tshaj plaws rau cov ntawv thov uas cov khoom xav tau los nqus lub zog los ntawm kev cuam tshuam, xws li hauv cov iav, ncej, thiab cov cuab yeej. Nws kuj yog ib qho nyuaj heev, txhais tau tias nws tiv thaiv tawg tawm, uas txhim kho nws cov kav ntev hauv kev ntxhov siab.
Corrosion Resistance
4140 alloy steel, thaum tsis kho, muaj qee qhov kev tiv thaiv corrosion, tab sis nws tseem tuaj yeem xeb thaum raug dej thiab tshuaj. Rau ib puag ncig uas muaj cov av noo siab lossis qhov chaw uas cov khoom yuav raug rau cov tshuaj, cov txheej txheem tiv thaiv ntxiv lossis kev kho cua sov feem ntau pom zoo.
Kev kho cua sov ntawm 4140 Alloy Steel Qws
Kev kho cua sov yog txheej txheem tseem ceeb rau kev txhim kho cov khoom siv ntawm 4140 alloy steel. Cov txheej txheem kho mob txawv nyob ntawm qhov xav tau, tab sis feem ntau suav nrog quenching, tempering, thiab annealing.
Quenching thiab Tempering txheej txheem
Quenching suav nrog cua sov 4140 steel rau qhov kub siab (kwv yees li 1,500 ° F), tom qab ntawd los ntawm kev ua kom txias sai hauv cov roj lossis dej. Qhov no nce hardness thiab tensile lub zog ntawm cov hlau. Tempering ua raws li quenching thiab suav nrog cua sov cov hlau kom qis dua (nyob ib ncig ntawm 900 ° F) kom txo cov brittleness thaum tuav hardness.
Annealing thiab Normalizing
Annealing yog lwm hom kev kho cua sov rau 4140 alloy steel. Cov txheej txheem suav nrog cua sov cov hlau mus rau qhov kub thiab txias thiab maj mam txias nws kom soften cov khoom. Qhov no ua rau nws yooj yim dua rau tshuab thiab txhim kho nws cov ductility. Normalizing yog zoo ib yam li annealing tab sis muaj cua txias, uas ua rau ib tug ntau yam zoo li grain qauv.
Kev siv thiab kev siv ntawm 4140 Alloy Steel Qws
4140 alloy steel rods yog siv nyob rau hauv ntau lub lag luam vim lawv zoo heev tshuav nyiaj li cas. Qee qhov kev siv ntau tshaj plaws suav nrog:
Automotive Kev Lag Luam
4140 steel feem ntau siv hauv kev tsim cov khoom siv tsheb xws li qag, crankshafts, thiab lub zog. Cov khoom no yuav tsum tiv taus kev ntxhov siab thiab hnav, ua rau 4140 yog qhov kev xaiv zoo tshaj plaws vim nws lub zog, tawv, thiab qaug zog.
Aerospace thiab Defense
Hauv kev lag luam aerospace thiab kev tiv thaiv, 4140 alloy steel yog siv los ua cov khoom siv dav hlau, tsheb tub rog, thiab khoom siv. Cov khoom siv lub zog-rau-qhov hnyav piv thiab tsis kam mus rau qhov chaw muaj kev ntxhov siab ua rau nws zoo tagnrho rau cov ntawv thov no.
Kev tsim kho thiab tshuab
Kev tsim kho tshuab, suav nrog excavators, bulldozers, thiab xyaum, feem ntau siv 4140 steel rau qhov chaw xws li pins, bushings, thiab cov khoom siv. Lub peev xwm ntawm 4140 los tiv thaiv kev hnav thiab kev cuam tshuam ua rau nws yog ib qho khoom siv tseem ceeb rau kev siv hnyav.
Qhov zoo ntawm kev siv 4140 Alloy Steel Qws
Lub ntsiab zoo ntawm kev siv 4140 alloy steel rods muaj xws li:
Nqi-zoo
4140 steel muab kev ua tau zoo ntawm tus nqi tsim nyog. Thaum nws tseem kim tshaj li cov pa roj carbon steel, nws tseem raug nqi zoo piv rau lwm cov hlau muaj zog xws li 4340 lossis 300M.
Durability thiab Longevity
Vim nws lub siab tawv, tawv, thiab hnav tsis kam, 4140 steel paub txog nws lub neej ua haujlwm ntev. Cheebtsam ua los ntawm 4140 steel tuaj yeem siv sijhawm ntev dua hauv qhov chaw muaj kev ntxhov siab ntau dua piv rau cov uas ua los ntawm cov hlau softer.
Ua haujlwm nrog 4140 Alloy Steel Qws
Thaum machining lossis vuam 4140 alloy steel, qee qhov kev txiav txim siab yuav tsum tau ua.
Vuam 4140 Alloy Steel Qws
Vuam 4140 steel yuav tsum tau tshwj xeeb cov txheej txheem vim nws hardenability. Preheating cov hlau ua ntej vuam thiab tom qab vuam kev kho cua sov (PWHT) yog cov kauj ruam tsim nyog los txo qhov kev pheej hmoo ntawm kev tawg thiab xyuas kom cov welds muaj zog.
Machining thiab txiav 4140 Alloy Steel Qws
4140 alloy steel yog qhov yooj yim rau tshuab, tab sis vim nws hardness, nws tuaj yeem hnav cov cuab yeej txiav sai sai. Siv cov cuab yeej siv high-speed steel (HSS) lossis cov cuab yeej carbide-tipped yog pom zoo rau kev ua haujlwm precision.
Kev tu thiab tu ntawm 4140 Alloy Steel Qws
Txhawm rau kom lub neej ntev ntawm 4140 alloy steel Cheebtsam, kev saib xyuas tsis tu ncua thiab kev saib xyuas yog qhov tseem ceeb.
Tiv thaiv corrosion thiab hnav
4140 steel yuav tsum tau tshuaj xyuas tsis tu ncua rau cov cim ntawm hnav, xeb, lossis xeb. Kev siv cov tshuaj tiv thaiv los yog roj tuaj yeem pab tiv thaiv kom tsis txhob degradation. Nyob rau hauv ib puag ncig corrosive heev, chromium plating los yog galvanizing yuav siv tau los txhim kho corrosion kuj.
Kev tshuaj xyuas tsis tu ncua
Kev tshuaj xyuas niaj hnub pab tshawb xyuas cov cim qhia ntxov ntawm kev hnav thiab tsim kua muag, tiv thaiv kev ua tsis tiav hauv cov ntawv thov tseem ceeb. Kev tshuaj xyuas tsis tu ncua rau cov kab nrib pleb, warping, lossis cov cim tsis zoo ntawm kev puas tsuaj ua kom ntseeg tau tias 4140 steel tseem nyob hauv qhov zoo.
Xaus
4140 alloy steel pas nrigyog ib yam khoom tseem ceeb rau ntau yam kev siv hauv kev lag luam. Nws qhov tshwj xeeb sib npaug ntawm lub zog, toughness, thiab durability ua rau nws zoo tagnrho rau txhua yam ntawm tsheb qhov chaw mus rau cov tshuab hnyav. Nrog rau kev kho cua sov kom zoo, kev siv tshuab, thiab kev saib xyuas, 4140 steel tuaj yeem ua haujlwm tau ntau xyoo, muab kev ua tau zoo hauv cov cheeb tsam uas xav tau tshaj plaws.
Sib cuag nrog peb!
Muaj lus nug lossis xav paub ntxiv? Hu rau Jeff ntawm East AI rau tag nrho koj 4140 alloy steel xav tau. Txawm hais tias koj tab tom nrhiav cov ncauj lus kom ntxaws, kev taw qhia ntawm machining, lossis cov lus qhia txog kev kho cua sov, peb tsuas yog xa email.
Email:jeff@east-ai.cn
Peb tos ntsoov yuav pab koj nrog koj cov haujlwm thiab muab koj cov khoom zoo tshaj plaws 4140 alloy steel khoom.
Post lub sij hawm: Dec-30-2024